4.2.1.22: cystathionine beta-synthase
This is an abbreviated version!
For detailed information about cystathionine beta-synthase, go to the full flat file.
Word Map on EC 4.2.1.22
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4.2.1.22
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h2s
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sulfide
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homocystinuria
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hyperhomocysteinemia
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artery
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spacer
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corticobasal
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candida
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mthfr
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carotid
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folate
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transsulfuration
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conidia
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cajal
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nahs
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dextrose
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methylenetetrahydrofolate
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bismuth
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hallucinations
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anamorphic
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palsy
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supranuclear
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charles
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remethylation
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reisolated
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conidiophore
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gamma-lyase
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biodiversity
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hyaline
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chemoreceptor
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gasotransmitter
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3-mercaptopyruvate
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frontotemporal
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sulfurtransferase
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thromboembolic
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ascospore
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rinsed
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aminooxyacetic
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apraxia
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snrnps
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symptomless
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hydrosulfide
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marxianus
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visuospatial
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5,10-methylenetetrahydrofolate
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voxel-based
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appressoria
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naocl
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medicine
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diagnostics
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ascus
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phytopathological
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analysis
- 4.2.1.22
- h2s
- sulfide
- homocystinuria
- hyperhomocysteinemia
- artery
-
spacer
-
corticobasal
- candida
- mthfr
-
carotid
- folate
-
transsulfuration
- conidia
-
cajal
- nahs
- dextrose
- methylenetetrahydrofolate
-
bismuth
- hallucinations
-
anamorphic
- palsy
-
supranuclear
-
charles
-
remethylation
-
reisolated
-
conidiophore
-
gamma-lyase
-
biodiversity
-
hyaline
-
chemoreceptor
-
gasotransmitter
- 3-mercaptopyruvate
-
frontotemporal
- sulfurtransferase
-
thromboembolic
- ascospore
-
rinsed
-
aminooxyacetic
- apraxia
-
snrnps
-
symptomless
- hydrosulfide
- marxianus
-
visuospatial
- 5,10-methylenetetrahydrofolate
-
voxel-based
-
appressoria
- naocl
- medicine
- diagnostics
- ascus
-
phytopathological
- analysis
Reaction
Synonyms
Beta-thionase, CBS, CBS424, CDCP2, CNNM2, Cys4, CysB, cystathionine beta synthase, cystathionine beta-synthase, cystathionine beta-synthase domain-containing protein, cystathionine-beta-synthase, Cysteine synthase, EC 4.2.1.21, hCBS, Hemoprotein H-450, LbrM.17.0230, Methylcysteine synthase, osmoprotectant transporter OpuC, PF1953, PH0267, Serine sulfhydrase, Serine sulfhydrylase, Serine sulphhydrase, TA0289, TM0935, TV1335, yCBS, ytCBS
ECTree
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Subunits
Subunits on EC 4.2.1.22 - cystathionine beta-synthase
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dimer
homotetramer
multimer
octamer
tetramer
additional information
dimer
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2 * 48000, proteolytically activated enzyme, derived from 4 * 68000 enzyme, SDS-PAGE
dimer
2 * 45000 Da, truncated human CBS lacking 143 amino acids at the C-terminus
dimer
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2 * 48000, proteolytically activated enzyme, derived from 4 * 68000 enzyme, SDS-PAGE
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mutant enzymes K102N and P78R/K102N behaves like wild-type enzyme by native gel chromatography and exist as a mixture of higher-order quaternary states
additional information
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CBS protein comprises three regions: the N-terminal heme-binding domain, residues 1-69, a highly conserved catalytic core, residues 70-413, and the C-terminal regulatory domain, resdiues 414-551, and an autoinhibitory module with binding site for the allosteric activator, S-adenosyl-L-methionine. Computational modeling of CBS structure, the enzyme has a regulatory dimer-dimer interface, homology modeling and protein-protein docking, overview. Model of wild-type CBS dimer by docking of a single C-terminal regulatory domain to mutant 45CBS dimer, PDB ID 1JBQ, and surface mapping of wild-type CBS and mutant 45CBS with diverse differentially reactive amino acid residues involved in conformational changes and thermal activation, overview
additional information
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each subunit has a modular structure consisting of three domains: an N-terminal heme binding domain, a highly conserved pyridoxal 5'-phosphate-binding catalytic core, and a S-adenosyl-L-methionine-binding C-terminal regulatory domain
additional information
three-dimensional CBS structure and molecular dynamics simulation of folding process in CBS wild-type and mutants, overview
additional information
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three-dimensional CBS structure and molecular dynamics simulation of folding process in CBS wild-type and mutants, overview