4.1.1.48: indole-3-glycerol-phosphate synthase

This is an abbreviated version!
For detailed information about indole-3-glycerol-phosphate synthase, go to the full flat file.

Word Map on EC 4.1.1.48

4.1.1.48

sulfolobus

solfataricus

amidotransferase

chorismate

prfar

n-5'-phosphoribosylanthranilate

on-pathway

glutamine-dependent

betaalpha8-barrel

betaalpha8

medicine

drug development

Reaction

1-(2-carboxyphenylamino)-1-deoxy-D-ribulose 5-phosphate

Synonyms

eIGPS, IGP synthase, IGPS, indole-3-glycerol phosphate synthase, Indole-3-glycerol phosphate synthetase, Indole-3-glycerol-phosphate synthase, indole-3-glycerolphosphate synthase, Indole-3-glycerophosphate synthase, Indoleglycerol phosphate synthase, Indoleglycerol phosphate synthetase, Indoleglycerolphosphate synthetase, InGP synthase, InGP synthetase, InGPS, mIGPS, MtIGPS, Phosphoribosylanthranilate isomerase-indoleglycerol phosphate synthetase, Pk-trpC, PRAI, PRAI-InGPS, sIGPS, SSO0895, Synthase, indole-3-glycerol phosphate, TrpC

ECTree

4 Lyases

4.1 Carbon-carbon lyases

4.1.1 Carboxy-lyases

4.1.1.48 indole-3-glycerol-phosphate synthase

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Results	in table
41425	AA Sequence
5	Application
1	CAS Registry Number
12	Cloned(Commentary)
10	Crystallization (Commentary)
3	Expression
5	General Information
6	General Stability
15	Inhibitors
43	kcat/KM [mM/s]
1	Ki Value [mM]
89	KM Value [mM]
4	Metals/Ions
48	Molecular Weight [Da]
38	Natural Substrates/ Products (Substrates)
1	Organic Solvent Stability
301	Organism
6	Pathway
46	PDB ID
7	pH Optimum
3	pH Range
3	pH Stability
1	Posttranslational Modification
69	Protein Variants
20	Purification (Commentary)
4	Reaction
1	Reaction Type
82	Reference
1	Renatured (Commentary)
2	Source Tissue
9	Specific Activity [micromol/min/mg]
3	Storage Stability
109	Substrates and Products (Substrate)
22	Subunits
77	Synonyms
1	Systematic Name
8	Temperature Optimum [°C]
2	Temperature Range [°C]
20	Temperature Stability [°C]
59	Turnover Number [1/s]

General Stability

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General Stability on EC 4.1.1.48 - indole-3-glycerol-phosphate synthase

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guanidinium-induced denaturation. Unfolding mechanism closely approaches a two-state model at pH 7.0 and a more complex mechanism at pH 9.0

Saccharolobus solfataricus

4610

half-life after trypsinolysis in 0.1 M Tris acetate at pH 7.8 and 25°C: wild-type enzyme (120 min), mutant enzyme P2S (60 min), mutant enzyme F246S (40 min), mutant enzyme G212E (40 min), mutant enzyme P2S/F246S (8 min), mutant enzyme P2S/G212E (15 min)

Saccharolobus solfataricus

724261

optimal stabilization by 0.8 M sucrose

Bacillus subtilis

4593

the enzyme is strongly stabilized in phosphate buffer (t1/2: 46 min at 87°C) in comparison to HEPPS buffer (t1/2: 4.4 min at 89°C)

Saccharolobus solfataricus

724261

the higher stability of the enzyme from Sulfolobus solfataricus compared with the enzyme from E. coli seems to be the result of several improved interactions. Including a large number of salt bridges, stabilization of alpha-helices and strengthening of both polypeptide chain termini and solvent-exposed loops

2 entries