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purC [2019-07-23 11:46:03]
phosphoribosylaminoimidazole succinocarboxamide synthase
function
purine biosynthesis
product
phosphoribosylaminoimidazole succinocarboxamide synthase
Genomic Context
categories
[category|SW 2|Metabolism] → [category|SW 2.5|Nucleotide metabolism] → [category|SW 2.5.2|Biosynthesis/ acquisition of nucleotides] → [category|SW 2.5.2.1|Biosynthesis/ acquisition of purine nucleotides]Gene
Coordinates
701,601 702,326
The protein
Catalyzed reaction/ biological activity
ATP 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate L-aspartate = ADP phosphate (S)-2-(5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido)succinate (according to Swiss-Prot)Protein family
SAICAR synthetase family (according to Swiss-Prot)Structure
[PDB|1KUT] (from ''Thermotoga maritima'', 40% identity, 57% similarity) [Pubmed|16582479]additional information
belongs to the 100 [SW|most abundant proteins] [PubMed|15378759]Expression and Regulation
Operons
genes
[gene|1A9F7847AA1EB2A264842B44CD1B1A21F0AF6E57|purE]-[gene|0DA73E4D1935F6A91BE251EF2704A11DE5D81174|purK]-[gene|29FF54E2B9F4A11811F5E15885A4C02A259C7B35|purB]-[gene|447D12E940C7F45B6C5015844F9DED9D513CD6E5|purC]-[gene|CCD4DA969086181CFA33D6D241F2CAAE02E0C758|purS]-[gene|DEE856E83E790EB57F103F7A9156408AF090995D|purQ]-[gene|D34203FAA84C19B34B3CB5F00AC2E2663FFA344D|purL]-[gene|4AA5AF9C7CE8D0A9FD3A47650ECF130BCBEE1952|purF]-[gene|AD0DE9457D70DF02FA0F58867B24ABF236FAF65A|purM]-[gene|7B30F27D6C459437967A64467E52961F4A9E0F2C|purN]-[gene|54CE8EB2F5D1F9AEAA497E1F60248C9B2250B01E|purH]-[gene|9BBA22B09C6DD6C36E043D44B0F54BD0FFA5BA0E|purD]
description
[Pubmed|3036807]
sigma factors
[protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA]: sigma factor, [Pubmed|3036807], in [regulon|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA regulon]regulatory mechanism
[regulon|G-box|G-box]: termination, ([SW|riboswitch]) [pubmed|3036807,12787499], in [regulon|G-box|G-box][protein|A8C82F5825DE0921DA6B4ACDE0CC31EC7749273C|PurR]: repression, (molecular inducer: PRPP) [Pubmed|7638212,2536750], in [regulon|A8C82F5825DE0921DA6B4ACDE0CC31EC7749273C|PurR regulon]regulation
expression activated by glucose (4.4 fold) [Pubmed|12850135]view in new tabadditional information
the mRNA is very stable (> 15 min) [pubmed|12884008]Biological materials
Mutant
BKE06450 ([gene|447D12E940C7F45B6C5015844F9DED9D513CD6E5|purC]::erm trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKE06450 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CACGGAAGGCCTCCTAACCC, downstream forward: _UP4_TTCAATAGACTGGGAGGCATBKK06450 ([gene|447D12E940C7F45B6C5015844F9DED9D513CD6E5|purC]::kan trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKK06450 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CACGGAAGGCCTCCTAACCC, downstream forward: _UP4_TTCAATAGACTGGGAGGCATReferences
12884008,3036807,12923093,7638212,15378759