Activating Compound | Comment | Organism | Structure |
---|---|---|---|
ascorbate | required for the decarboxylation reaction step | Drosophila melanogaster | |
ascorbate | required for the decarboxylation reaction step | Chlamydomonas reinhardtii | |
ascorbate | required for the decarboxylation reaction step | Mus musculus | |
ascorbate | required for the decarboxylation reaction step | Rattus norvegicus | |
ascorbate | required for the decarboxylation reaction step | Caenorhabditis elegans |
Application | Comment | Organism |
---|---|---|
drug development | P4H is a target for therapeutic drug development in various pathologies, e.g. angiogenesis, fibrosis, ischemia, anemia, and hypoxia, overview | Homo sapiens |
Cloned (Comment) | Organism |
---|---|
recombinant expression of the three isozymes | Homo sapiens |
Protein Variants | Comment | Organism |
---|---|---|
P317R | naturally occuring mutation, near the Fe2+ binding site, causing erythrocytosis | Homo sapiens |
R371H | naturally occuring mutation causing erythrocytosis | Homo sapiens |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
3,4-dihydroxybenzoic acid | - |
Homo sapiens | |
3-carboxy-4-oxo-3,4-dihydro-1,10-phenanthroline | - |
Homo sapiens | |
3-hydroxypyridine-2-carbonyl-glycine | - |
Homo sapiens | |
alpha,alpha'-dipyridyl | an Fe2+ chelator | Caenorhabditis elegans | |
alpha,alpha'-dipyridyl | an Fe2+ chelator | Chlamydomonas reinhardtii | |
alpha,alpha'-dipyridyl | an Fe2+ chelator | Drosophila melanogaster | |
alpha,alpha'-dipyridyl | an Fe2+ chelator | Homo sapiens | |
alpha,alpha'-dipyridyl | an Fe2+ chelator | Mus musculus | |
alpha,alpha'-dipyridyl | an Fe2+ chelator | Rattus norvegicus | |
Cd2+ | competitive versus Fe2+ | Caenorhabditis elegans | |
Cd2+ | competitive versus Fe2+ | Chlamydomonas reinhardtii | |
Cd2+ | competitive versus Fe2+ | Drosophila melanogaster | |
Cd2+ | competitive versus Fe2+ | Homo sapiens | |
Cd2+ | competitive versus Fe2+ | Mus musculus | |
Cd2+ | competitive versus Fe2+ | Rattus norvegicus | |
ciclopirox olamine | an Fe2+ chelator | Caenorhabditis elegans | |
ciclopirox olamine | an Fe2+ chelator | Chlamydomonas reinhardtii | |
ciclopirox olamine | an Fe2+ chelator | Drosophila melanogaster | |
ciclopirox olamine | an Fe2+ chelator | Homo sapiens | |
ciclopirox olamine | an Fe2+ chelator | Mus musculus | |
ciclopirox olamine | an Fe2+ chelator | Rattus norvegicus | |
Co2+ | competitive versus Fe2+ | Caenorhabditis elegans | |
Co2+ | competitive versus Fe2+ | Chlamydomonas reinhardtii | |
Co2+ | competitive versus Fe2+ | Drosophila melanogaster | |
Co2+ | competitive versus Fe2+ | Homo sapiens | |
Co2+ | competitive versus Fe2+ | Mus musculus | |
Co2+ | competitive versus Fe2+ | Rattus norvegicus | |
desferrioxamine | an Fe2+ chelator | Caenorhabditis elegans | |
desferrioxamine | an Fe2+ chelator | Chlamydomonas reinhardtii | |
desferrioxamine | an Fe2+ chelator | Drosophila melanogaster | |
desferrioxamine | an Fe2+ chelator | Homo sapiens | |
desferrioxamine | an Fe2+ chelator | Mus musculus | |
desferrioxamine | an Fe2+ chelator | Rattus norvegicus | |
fumarate | - |
Homo sapiens | |
N-((3-hydroxy-6-chloroquinolin-2-yl)carbonyl)glycine | - |
Homo sapiens | |
Ni2+ | competitive versus Fe2+ | Caenorhabditis elegans | |
Ni2+ | competitive versus Fe2+ | Chlamydomonas reinhardtii | |
Ni2+ | competitive versus Fe2+ | Drosophila melanogaster | |
Ni2+ | competitive versus Fe2+ | Homo sapiens | |
Ni2+ | competitive versus Fe2+ | Mus musculus | |
Ni2+ | competitive versus Fe2+ | Rattus norvegicus | |
oxalylglycine | - |
Homo sapiens | |
Pyridine 2,4-dicarboxylate | - |
Homo sapiens | |
Pyridine 2,5-dicarboxylate | - |
Homo sapiens | |
succinate | product inhibition | Homo sapiens | |
Zn2+ | competitive versus Fe2+ | Caenorhabditis elegans | |
Zn2+ | comptitive versus Fe2+ | Chlamydomonas reinhardtii | |
Zn2+ | competitive versus Fe2+ | Drosophila melanogaster | |
Zn2+ | competitive versus Fe2+ | Homo sapiens | |
Zn2+ | competitive versus Fe2+ | Mus musculus | |
Zn2+ | competitive versus Fe2+ | Rattus norvegicus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.001 | - |
2-oxoglutarate | with substrate HIF, isozyme P4H-II | Homo sapiens | |
0.002 | - |
2-oxoglutarate | with substrate HIF, isozyme P4H-I | Homo sapiens | |
0.012 | - |
2-oxoglutarate | with substrate HIF, isozyme P4H-III | Homo sapiens | |
0.02 | - |
2-oxoglutarate | with substrate procollagen, isozymes P4H-I and P4H-III | Homo sapiens | |
0.022 | - |
2-oxoglutarate | with substrate procollagen, isozyme P4H-II | Homo sapiens | |
0.04 | - |
O2 | with substrate procollagen, isozyme P4H-I | Homo sapiens | |
0.065 | 0.25 | O2 | with substrate HIF at different fragment lengths, isozyme P4H-II | Homo sapiens | |
0.23 | - |
O2 | with substrate HIF, isozymes P4H-I and P4H-III | Homo sapiens |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
endoplasmic reticulum lumen | - |
Mus musculus | 5788 | - |
endoplasmic reticulum lumen | - |
Homo sapiens | 5788 | - |
endoplasmic reticulum lumen | - |
Rattus norvegicus | 5788 | - |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Fe2+ | required | Drosophila melanogaster | |
Fe2+ | required | Chlamydomonas reinhardtii | |
Fe2+ | required | Mus musculus | |
Fe2+ | required | Rattus norvegicus | |
Fe2+ | required | Caenorhabditis elegans | |
Fe2+ | required, bound by residues His412, Asp414, and His483. KM with procollagen is 0.002 mM for isozymes P4H-I and P4H-II, and 0.0005 for isozyme P4H-III | Homo sapiens |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
hypoxia-inducible transcription factor + 2-oxoglutarate + O2 | Drosophila melanogaster | i.e. HIF, an alphabetaheterodimer, in which the stability of the alpha-subunit is regulated in an oxygen-dependent manner. Hydroxylation of one or two critical proline residues in the oxygen-dependent degradation domain leads to proteasomal degradation of the protein under normic conditions, while under hypoxic conditions the oxygen-requiring hydroxylation is inhibited and HIF-alpha escapes degradation and dimerizes with HIF-beta, overview | hypoxia-inducible transcription factor trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
hypoxia-inducible transcription factor + 2-oxoglutarate + O2 | Mus musculus | i.e. HIF, an alphabetaheterodimer, in which the stability of the alpha-subunit is regulated in an oxygen-dependent manner. Hydroxylation of one or two critical proline residues in the oxygen-dependent degradation domain leads to proteasomal degradation of the protein under normic conditions, while under hypoxic conditions the oxygen-requiring hydroxylation is inhibited and HIF-alpha escapes degradation and dimerizes with HIF-beta, overview | hypoxia-inducible transcription factor trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
hypoxia-inducible transcription factor + 2-oxoglutarate + O2 | Caenorhabditis elegans | i.e. HIF, an alphabetaheterodimer, in which the stability of the alpha-subunit is regulated in an oxygen-dependent manner. Hydroxylation of one or two critical proline residues in the oxygen-dependent degradation domain leads to proteasomal degradation of the protein under normic conditions, while under hypoxic conditions the oxygen-requiring hydroxylation is inhibited and HIF-alpha escapes degradation and dimerizes with HIF-beta, overview | hypoxia-inducible transcription factor trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
hypoxia-inducible transcription factor + 2-oxoglutarate + O2 | Homo sapiens | i.e. HIF, an alphabetaheterodimer, in which the stability of the alpha-subunti is regulated in an oxygen-dependent manner. Hydroxylation of one or two critical proline residues in the oxygen-dependent degradation domain leads to proteasomal degradation of the protein under normic conditions, while under hypoxic conditions the oxygen-requiring hydroxylation is inhibited and HIF-alpha escapes degradation and dimerizes with HIF-beta, overview | hypoxia-inducible transcription factor trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
hypoxia-inducible transcription factor + 2-oxoglutarate + O2 | Rattus norvegicus | i.e. HIF, an alphabetaheterodimer, in which the stability of the alpha-subunti is regulated in an oxygen-dependent manner. Hydroxylation of one or two critical proline residues in the oxygen-dependent degradation domain leads to proteasomal degradation of the protein under normic conditions, while under hypoxic conditions the oxygen-requiring hydroxylation is inhibited and HIF-alpha escapes degradation and dimerizes with HIF-beta, overview | hypoxia-inducible transcription factor trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
procollagen L-proline + 2-oxoglutarate + O2 | Drosophila melanogaster | - |
procollagen trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
procollagen L-proline + 2-oxoglutarate + O2 | Chlamydomonas reinhardtii | - |
procollagen trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
procollagen L-proline + 2-oxoglutarate + O2 | Mus musculus | - |
procollagen trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
procollagen L-proline + 2-oxoglutarate + O2 | Homo sapiens | - |
procollagen trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
procollagen L-proline + 2-oxoglutarate + O2 | Rattus norvegicus | - |
procollagen trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
procollagen L-proline + 2-oxoglutarate + O2 | Caenorhabditis elegans | - |
procollagen trans-4-hydroxy-L-proline + succinate + CO2 | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Caenorhabditis elegans | - |
4 isozymes | - |
Chlamydomonas reinhardtii | - |
- |
- |
Drosophila melanogaster | - |
at least 19 isozymes | - |
Homo sapiens | - |
isozymes P4H-I, P4H-II and P4H-III, or P4H-1, P4H-2 and P4H-3 | - |
Mus musculus | - |
- |
- |
Rattus norvegicus | - |
- |
- |
Purification (Comment) | Organism |
---|---|
recombinant isozymes | Homo sapiens |
Reaction | Comment | Organism | Reaction ID |
---|---|---|---|
procollagen L-proline + 2-oxoglutarate + O2 = procollagen trans-4-hydroxy-L-proline + succinate + CO2 | reaction mechanism involving ascorbate, which are not required for the hydroxylation reaction part, but for the uncoupled cedarboxylation, overview | Mus musculus | |
procollagen L-proline + 2-oxoglutarate + O2 = procollagen trans-4-hydroxy-L-proline + succinate + CO2 | reaction mechanism involving ascorbate, which not required for the hydroxylation reaction part, but for the uncoupled cedarboxylation, overview | Drosophila melanogaster | |
procollagen L-proline + 2-oxoglutarate + O2 = procollagen trans-4-hydroxy-L-proline + succinate + CO2 | reaction mechanism involving ascorbate, which not required for the hydroxylation reaction part, but for the uncoupled cedarboxylation, overview | Chlamydomonas reinhardtii | |
procollagen L-proline + 2-oxoglutarate + O2 = procollagen trans-4-hydroxy-L-proline + succinate + CO2 | reaction mechanism involving ascorbate, which not required for the hydroxylation reaction part, but for the uncoupled cedarboxylation, overview | Homo sapiens | |
procollagen L-proline + 2-oxoglutarate + O2 = procollagen trans-4-hydroxy-L-proline + succinate + CO2 | reaction mechanism involving ascorbate, which not required for the hydroxylation reaction part, but for the uncoupled cedarboxylation, overview | Rattus norvegicus | |
procollagen L-proline + 2-oxoglutarate + O2 = procollagen trans-4-hydroxy-L-proline + succinate + CO2 | reaction mechanism involving ascorbate, which not required for the hydroxylation reaction part, but for the uncoupled cedarboxylation, overview | Caenorhabditis elegans |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
hypoxia-inducible transcription factor + 2-oxoglutarate + O2 | i.e. HIF, an alphabetaheterodimer, in which the stability of the alpha-subunit is regulated in an oxygen-dependent manner. Hydroxylation of one or two critical proline residues in the oxygen-dependent degradation domain leads to proteasomal degradation of the protein under normic conditions, while under hypoxic conditions the oxygen-requiring hydroxylation is inhibited and HIF-alpha escapes degradation and dimerizes with HIF-beta, overview | Drosophila melanogaster | hypoxia-inducible transcription factor trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
hypoxia-inducible transcription factor + 2-oxoglutarate + O2 | i.e. HIF, an alphabetaheterodimer, in which the stability of the alpha-subunit is regulated in an oxygen-dependent manner. Hydroxylation of one or two critical proline residues in the oxygen-dependent degradation domain leads to proteasomal degradation of the protein under normic conditions, while under hypoxic conditions the oxygen-requiring hydroxylation is inhibited and HIF-alpha escapes degradation and dimerizes with HIF-beta, overview | Mus musculus | hypoxia-inducible transcription factor trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
hypoxia-inducible transcription factor + 2-oxoglutarate + O2 | i.e. HIF, an alphabetaheterodimer, in which the stability of the alpha-subunit is regulated in an oxygen-dependent manner. Hydroxylation of one or two critical proline residues in the oxygen-dependent degradation domain leads to proteasomal degradation of the protein under normic conditions, while under hypoxic conditions the oxygen-requiring hydroxylation is inhibited and HIF-alpha escapes degradation and dimerizes with HIF-beta, overview | Caenorhabditis elegans | hypoxia-inducible transcription factor trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
hypoxia-inducible transcription factor + 2-oxoglutarate + O2 | i.e. HIF, an alphabetaheterodimer, in which the stability of the alpha-subunti is regulated in an oxygen-dependent manner. Hydroxylation of one or two critical proline residues in the oxygen-dependent degradation domain leads to proteasomal degradation of the protein under normic conditions, while under hypoxic conditions the oxygen-requiring hydroxylation is inhibited and HIF-alpha escapes degradation and dimerizes with HIF-beta, overview | Homo sapiens | hypoxia-inducible transcription factor trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
hypoxia-inducible transcription factor + 2-oxoglutarate + O2 | i.e. HIF, an alphabetaheterodimer, in which the stability of the alpha-subunti is regulated in an oxygen-dependent manner. Hydroxylation of one or two critical proline residues in the oxygen-dependent degradation domain leads to proteasomal degradation of the protein under normic conditions, while under hypoxic conditions the oxygen-requiring hydroxylation is inhibited and HIF-alpha escapes degradation and dimerizes with HIF-beta, overview | Rattus norvegicus | hypoxia-inducible transcription factor trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
hypoxia-inducible transcription factor + 2-oxoglutarate + O2 | i.e. HIF | Drosophila melanogaster | hypoxia-inducible transcription factor trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
hypoxia-inducible transcription factor + 2-oxoglutarate + O2 | i.e. HIF | Mus musculus | hypoxia-inducible transcription factor trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
hypoxia-inducible transcription factor + 2-oxoglutarate + O2 | i.e. HIF | Homo sapiens | hypoxia-inducible transcription factor trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
hypoxia-inducible transcription factor + 2-oxoglutarate + O2 | i.e. HIF | Rattus norvegicus | hypoxia-inducible transcription factor trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
hypoxia-inducible transcription factor + 2-oxoglutarate + O2 | i.e. HIF | Caenorhabditis elegans | hypoxia-inducible transcription factor trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
additional information | substrate and ligand binding structures, overview | Drosophila melanogaster | ? | - |
? | |
additional information | substrate and ligand binding structures, overview | Chlamydomonas reinhardtii | ? | - |
? | |
additional information | substrate and ligand binding structures, overview | Mus musculus | ? | - |
? | |
additional information | substrate and ligand binding structures, overview | Rattus norvegicus | ? | - |
? | |
additional information | substrate and ligand binding structures, overview | Caenorhabditis elegans | ? | - |
? | |
additional information | the carboxy group of 2-oxoglutarate is bound by Lys493 in subunit alphaI, substrate and ligand binding structures, overview | Homo sapiens | ? | - |
? | |
procollagen L-proline + 2-oxoglutarate + O2 | - |
Drosophila melanogaster | procollagen trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
procollagen L-proline + 2-oxoglutarate + O2 | - |
Chlamydomonas reinhardtii | procollagen trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
procollagen L-proline + 2-oxoglutarate + O2 | - |
Mus musculus | procollagen trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
procollagen L-proline + 2-oxoglutarate + O2 | - |
Homo sapiens | procollagen trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
procollagen L-proline + 2-oxoglutarate + O2 | - |
Rattus norvegicus | procollagen trans-4-hydroxy-L-proline + succinate + CO2 | - |
? | |
procollagen L-proline + 2-oxoglutarate + O2 | - |
Caenorhabditis elegans | procollagen trans-4-hydroxy-L-proline + succinate + CO2 | - |
? |
Subunits | Comment | Organism |
---|---|---|
More | the beta-subunit is identical to the beta-subunit of the chaperone protein disulfide isomerase, EC 5.3.4.1. The beta-subunit is responsible for keeping the catalytic alpha-subunit active, in non-aggregated conformation and for retaining the enzyme within the lumen of the endoplasmic reticulum via its C-terminal retention signal | Mus musculus |
More | the beta-subunit is identical to the beta-subunit of the chaperone protein disulfide isomerase, EC 5.3.4.1. The beta-subunit is responsible for keeping the catalytic alpha-subunit active, in non-aggregated conformation and for retaining the enzyme within the lumen of the endoplasmic reticulum via its C-terminal retention signal | Homo sapiens |
More | the beta-subunit is identical to the beta-subunit of the chaperone protein disulfide isomerase, EC 5.3.4.1. The beta-subunit is responsible for keeping the catalytic alpha-subunit active, in non-aggregated conformation and for retaining the enzyme within the lumen of the endoplasmic reticulum via its C-terminal retention signal | Rattus norvegicus |
tetramer | alpha2beta2 | Mus musculus |
tetramer | alpha2beta2 | Rattus norvegicus |
tetramer | alpha2beta2 formed with three different alpha-subunit isoforms, two of which, alphaI and alphaII, exist both in two splicing variants | Homo sapiens |
Synonyms | Comment | Organism |
---|---|---|
More | the enzyme belongs to the P4H enzyme family of the 2-oxoglutarate-dependent dioxygenases | Drosophila melanogaster |
More | the enzyme belongs to the P4H enzyme family of the 2-oxoglutarate-dependent dioxygenases | Chlamydomonas reinhardtii |
More | the enzyme belongs to the P4H enzyme family of the 2-oxoglutarate-dependent dioxygenases | Mus musculus |
More | the enzyme belongs to the P4H enzyme family of the 2-oxoglutarate-dependent dioxygenases | Homo sapiens |
More | the enzyme belongs to the P4H enzyme family of the 2-oxoglutarate-dependent dioxygenases | Rattus norvegicus |
More | the enzyme belongs to the P4H enzyme family of the 2-oxoglutarate-dependent dioxygenases | Caenorhabditis elegans |
P4H | - |
Drosophila melanogaster |
P4H | - |
Chlamydomonas reinhardtii |
P4H | - |
Mus musculus |
P4H | - |
Homo sapiens |
P4H | - |
Rattus norvegicus |
P4H | - |
Caenorhabditis elegans |
prolyl 4-hydroxylase | - |
Drosophila melanogaster |
prolyl 4-hydroxylase | - |
Chlamydomonas reinhardtii |
prolyl 4-hydroxylase | - |
Mus musculus |
prolyl 4-hydroxylase | - |
Homo sapiens |
prolyl 4-hydroxylase | - |
Rattus norvegicus |
prolyl 4-hydroxylase | - |
Caenorhabditis elegans |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
ascorbate | required for the decarboxylation reaction step, KM with procollagen is 0.30 mM for isozyme P4H-I, 0.34 for isozyme P4H-II, and 0.37 for isozyme P4H-III. KM with HIF is 0.17 mM for isozyme P4H-I, 0.18 for isozyme P4H-II, and 0.14 for isozyme P4H-III | Homo sapiens |
Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|
0.00006 | - |
N-((3-hydroxy-6-chloroquinolin-2-yl)carbonyl)glycine | isozyme P4H-I, with substrate procollagen | Homo sapiens | |
0.0002 | - |
N-((3-hydroxy-6-chloroquinolin-2-yl)carbonyl)glycine | isozymes P4H-II and P4H-III, with substrate HIF | Homo sapiens | |
0.0004 | - |
3-hydroxypyridine-2-carbonyl-glycine | isozyme P4H-I, with substrate procollagen | Homo sapiens | |
0.0008 | - |
N-((3-hydroxy-6-chloroquinolin-2-yl)carbonyl)glycine | isozyme P4H-I, with substrate HIF | Homo sapiens | |
0.0008 | - |
Pyridine 2,5-dicarboxylate | isozyme P4H-I, with substrate procollagen | Homo sapiens | |
0.001 | - |
3-hydroxypyridine-2-carbonyl-glycine | isozyme P4H-III, with substrate HIF | Homo sapiens | |
0.0019 | - |
oxalylglycine | isozyme P4H-I, with substrate procollagen | Homo sapiens | |
0.002 | - |
Pyridine 2,4-dicarboxylate | isozyme P4H-I, with substrate procollagen | Homo sapiens | |
0.002 | - |
3-carboxy-4-oxo-3,4-dihydro-1,10-phenanthroline | isozyme P4H-I, with substrate procollagen | Homo sapiens | |
0.002 | - |
3-hydroxypyridine-2-carbonyl-glycine | isozyme P4H-II, with substrate HIF | Homo sapiens | |
0.005 | - |
3,4-dihydroxybenzoic acid | isozyme P4H-I, with substrate procollagen | Homo sapiens | |
0.007 | - |
Pyridine 2,4-dicarboxylate | isozyme P4H-II, with substrate HIF | Homo sapiens | |
0.008 | - |
oxalylglycine | isozyme P4H-II, with substrate HIF | Homo sapiens | |
0.008 | - |
Pyridine 2,4-dicarboxylate | isozyme P4H-III, with substrate HIF | Homo sapiens | |
0.01 | - |
oxalylglycine | isozyme P4H-III, with substrate HIF | Homo sapiens | |
0.01 | - |
3-carboxy-4-oxo-3,4-dihydro-1,10-phenanthroline | isozymes P4H-II and P4H-III, with substrate HIF | Homo sapiens | |
0.015 | - |
3-hydroxypyridine-2-carbonyl-glycine | isozyme P4H-I, with substrate HIF | Homo sapiens | |
0.03 | - |
3-carboxy-4-oxo-3,4-dihydro-1,10-phenanthroline | isozyme P4H-I, with substrate HIF | Homo sapiens | |
0.04 | - |
Pyridine 2,4-dicarboxylate | isozyme P4H-I, with substrate HIF | Homo sapiens | |
0.05 | - |
oxalylglycine | isozyme P4H-I, with substrate HIF | Homo sapiens | |
0.05 | - |
fumarate | isozyme P4H-III, with substrate HIF | Homo sapiens | |
0.06 | - |
fumarate | isozyme P4H-II, with substrate HIF | Homo sapiens | |
0.08 | - |
fumarate | isozyme P4H-I, with substrate HIF | Homo sapiens | |
0.19 | - |
fumarate | isozyme P4H-I, with substrate procollagen | Homo sapiens | |
0.3 | - |
Pyridine 2,5-dicarboxylate | above, isozymes P4H-I-III, with substrate HIF | Homo sapiens | |
0.3 | - |
3,4-dihydroxybenzoic acid | isozymes P4H-I-III, with substrate HIF | Homo sapiens | |
0.35 | - |
succinate | isozyme P4H-I, with substrate HIF | Homo sapiens | |
0.4 | - |
succinate | isozyme P4H-I, with substrate procollagen | Homo sapiens | |
0.43 | - |
succinate | isozyme P4H-III, with substrate HIF | Homo sapiens | |
0.46 | - |
succinate | isozyme P4H-II, with substrate HIF | Homo sapiens |
Organism | Comment | Expression |
---|---|---|
Mus musculus | P4H alphaII or alphaIII null mice with 20% of wild-type enzyme activity do not show an abnormal phenotype, while P4H alpha I null mutants die at day E10.5 and show an overall developmental delay and rupture of the basement membranes due to a lack of collgane IV, overview | down |
General Information | Comment | Organism |
---|---|---|
malfunction | excessive collagen formation is involved in the pathogenesis of fibrosis, e.g. in liver and lung, resulting in abnormal wound healing and deformed tissue architecture | Homo sapiens |
physiological function | 4-hydroxylation of proline is essential for the thermal stability of collagen triple helices, non-hydroxylated collagen polypeptide chains cannot form functional molecules in vivo. The enzyme also acts as hypoxia-inducible transcription factor, HIF, and occurs in a single isozyme form | Drosophila melanogaster |
physiological function | 4-hydroxylation of proline is essential for the thermal stability of collagen triple helices, non-hydroxylated collagen polypeptide chains cannot form functional molecules in vivo. The enzyme also acts as hypoxia-inducible transcription factor, HIF, and occurs in a single isozyme form | Caenorhabditis elegans |
physiological function | 4-hydroxylation of proline is essential for the thermal stability of collagen triple helices, non-hydroxylated collagen polypeptide chains cannot form functional molecules in vivo. The enzyme also acts as hypoxia-inducible transcription factor, HIF, and occurs in three different isozyme forms | Mus musculus |
physiological function | 4-hydroxylation of proline is essential for the thermal stability of collagen triple helices, non-hydroxylated collagen polypeptide chains cannot form functional molecules in vivo. The enzyme also acts as hypoxia-inducible transcription factor, HIF, and occurs in three different isozyme forms | Homo sapiens |
physiological function | 4-hydroxylation of proline is essential for the thermal stability of collagen triple helices, non-hydroxylated collagen polypeptide chains cannot form functional molecules in vivo. The enzyme also acts as hypoxia-inducible transcription factor, HIF, and occurs in three different isozyme forms | Rattus norvegicus |