Protein Info for AMB_RS07775 in Magnetospirillum magneticum AMB-1

Annotation: phosphoribosylaminoimidazolesuccinocarboxamide synthase

These analyses and tools can help you predict a protein's function, but be skeptical. For enzymes, over 10% of annotations from KEGG or SEED are probably incorrect. For other types of proteins, the error rates may be much higher. MetaCyc and Swiss-Prot have low error rates, but the best hits in these databases are often quite distant, so this protein's function may not be the same. TIGRFam has low error rates. Finally, many experimentally-characterized proteins are not in any of these databases. To find relevant papers, use PaperBLAST.

Protein Families and Features

Best Hits

Swiss-Prot: 81% identical to PUR7_ACICJ: Phosphoribosylaminoimidazole-succinocarboxamide synthase (purC) from Acidiphilium cryptum (strain JF-5)

KEGG orthology group: K01923, phosphoribosylaminoimidazole-succinocarboxamide synthase [EC: 6.3.2.6] (inferred from 100% identity to mag:amb1539)

Predicted SEED Role

"Phosphoribosylaminoimidazole-succinocarboxamide synthase (EC 6.3.2.6)" in subsystem De Novo Purine Biosynthesis (EC 6.3.2.6)

MetaCyc Pathways

superpathway of histidine, purine, and pyrimidine biosynthesis (42/46 steps found)
superpathway of purine nucleotides de novo biosynthesis I (21/21 steps found)
superpathway of purine nucleotides de novo biosynthesis II (23/26 steps found)
inosine-5'-phosphate biosynthesis I (6/6 steps found)
inosine-5'-phosphate biosynthesis II (5/5 steps found)
inosine-5'-phosphate biosynthesis III (5/6 steps found)

KEGG Metabolic Maps

Purine metabolism

Isozymes

Compare fitness of predicted isozymes for: 6.3.2.6

Use Curated BLAST to search for 6.3.2.6

Sequence Analysis Tools

PaperBLAST (search for papers about homologs of this protein)

Search CDD (the Conserved Domains Database, which includes COG and superfam)

Search structures

Predict protein localization: PSORTb (Gram-negative bacteria)

Predict transmembrane helices and signal peptides: Phobius

Check the current SEED with FIGfam search

Find homologs in fast.genomics or the ENIGMA genome browser

See Q2W732 at UniProt or InterPro

Protein Sequence (254 amino acids)

>AMB_RS07775 phosphoribosylaminoimidazolesuccinocarboxamide synthase (Magnetospirillum magneticum AMB-1)
MARRRQIYEGKAKVLFEGPEPGTLVQYFKDDATAFNNKKRGTITGKGVLNNRISEYLMLR
LGEIGIPTHFVRRLNMREQLVREVEIIPLEVVVRNVAAGSLAQRFGLSEGTPLPRCIVEW
YFKSDALDDPMVSEEHITAFGWATTQDLDEMMSLALRINDFLCGLFLGVGIRLVDFKIEF
GRLYNGDDMQIVLADEISPDSCRLWDLRTGDKMDKDRFRRDLGGVEEAYQEVARRLGILP
EGGPRDLKGPALMQ