5.3.1.6: ribose-5-phosphate isomerase

This is an abbreviated version!
For detailed information about ribose-5-phosphate isomerase, go to the full flat file.

Reaction

Synonyms

5-phosphate ketol-isomerase, 5-Phosphoribose isomerase, CTRPI, CTRpiB, D-Ribose 5-phosphate isomerase, D-ribose-5-phosphate isomerase, D-ribose-5-phosphate isomerase A, D-ribose-5-phosphate isomerase B, D-ribose-5-phosphate ketol-isomerase, D-xylose ketol-isomerase, EcRpiB, Isomerase, ribose phosphate, LINJ_28_2100, LMJF_28_1970, MJ1603, MtRpiB, Phosphopentoisomerase, Phosphopentose isomerase, Phosphoriboisomerase, ribose 5-phosphate isomerase A, Ribose phosphate isomerase, Ribose-5-P isomerase, ribose-5-phosphate isomerase, ribose-5-phosphate isomerase B, ribose-5-phosphate isomerase type B, Ribosephosphate isomerase A, Ribosephosphate isomerase B, RPI, RPI2 protein, RpiA, RpiB, SMU1234, SMU2142, Tc00.1047053509199.24, TM1080, type B ribose 5-phosphate isomerase, type B ribose-5-phosphate isomerase, type B Rpi

ECTree

     5 Isomerases

         5.3 Intramolecular oxidoreductases

             5.3.1 Interconverting aldoses and ketoses, and related compounds

                5.3.1.6 ribose-5-phosphate isomerase

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Results	in table
8	Activating Compound
38859	AA Sequence
5	Application
1	CAS Registry Number
29	Cloned(Commentary)
22	Crystallization (Commentary)
291	Disease/ Diagnostics
10	General Information
8	General Stability
22	IC50 Value
114	Inhibitors
27	kcat/KM [mM/s]
27	Ki Value [mM]
87	KM Value [mM]
9	Localization
9	Metals/Ions
55	Molecular Weight [Da]
34	Natural Substrates/ Products (Substrates)
219	Organism
19	Pathway
133	PDB ID
22	pH Optimum
4	pH Range
2	pH Stability
6	pI Value
46	Protein Variants
29	Purification (Commentary)
1	Reaction
2	Reaction Type
101	Reference
33	Source Tissue
68	Specific Activity [micromol/min/mg]
7	Storage Stability
195	Substrates and Products (Substrate)
39	Subunits
108	Synonyms
1	Systematic Name
18	Temperature Optimum [°C]
4	Temperature Range [°C]
19	Temperature Stability [°C]
66	Turnover Number [1/s]

General Stability

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General Stability on EC 5.3.1.6 - ribose-5-phosphate isomerase

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GENERAL STABILITY

ORGANISM

UNIPROT

LITERATURE

(NH4)2SO4, NaCl, KCl and LiCl increase thermal stability. LiBr, CaCl2, methanol, ethanol, and 1-propanol decrease thermal stability. Alcohols decrease the stability in the following order: methanol, ethanol, propanol

2 entries

ethylene glycol has little effect on the mesophilic enzyme

Thiobacillus thioparus

-

2783

ethylene glycol increases stability

[Bacillus] caldolyticus

-

2783

freeze-labile

Thiobacillus thioparus

-

2787

freezing and thawing destroys activity

Cyberlindnera jadinii

-

2776, 2781

maximum activities in sodium dihydrogen phosphate-ciitric acid buffer at pH 6.5-8.0 and in 50 mM Tris-HCl buffer pH 7.0-9.0. This enzyme retains about 65% activity from pH 8.8-11.0 in glycine-NaOH buffer

Thermotoga maritima

-

728735

(NH4)2SO4, NaCl, KCl and LiCl increase thermal stability. LiBr, CaCl2, methanol, ethanol, and 1-propanol decrease thermal stability. Alcohols decrease the stability in the following order: methanol, ethanol, propanol

Thiobacillus thioparus

-

2783

(NH4)2SO4, NaCl, KCl and LiCl increase thermal stability. LiBr, CaCl2, methanol, ethanol, and 1-propanol decrease thermal stability. Alcohols decrease the stability in the following order: methanol, ethanol, propanol

[Bacillus] caldolyticus

-

2783