Protein Info for IAI46_22350 in Serratia liquefaciens MT49

Annotation: glutamate synthase small subunit

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

• TIGR01318: glutamate synthase, small subunit
  • amino acids 6 to 472 (467 residues), 858.2 bits, E=6.5e-263
• PF14691: Fer4_20
  • amino acids 25 to 134 (110 residues), 133.9 bits, E=1.1e-42
• PF07992: Pyr_redox_2
  • amino acids 148 to 459 (312 residues), 88.2 bits, E=3.3e-28
• PF01494: FAD_binding_3
  • amino acids 149 to 179 (31 residues), 24.7 bits, see alignment (E = 6.5e-09)
• PF13450: NAD_binding_8
  • amino acids 151 to 185 (35 residues), 32.5 bits, 4.4e-11
• PF00070: Pyr_redox
  • amino acids 289 to 364 (76 residues), 22.3 bits, E=7.6e-08

Best Hits

Swiss-Prot: 84% identical to GLTD_ECOLI: Glutamate synthase [NADPH] small chain (gltD) from Escherichia coli (strain K12)

KEGG orthology group: K00266, glutamate synthase (NADPH/NADH) small chain [EC: 1.4.1.13 1.4.1.14] (inferred from 98% identity to spe:Spro_4345)

MetaCyc: 84% identical to glutamate synthase subunit GltD (Escherichia coli K-12 substr. MG1655)
Glutamate dehydrogenase (NADP(+)). [EC: 1.4.1.4]; Glutamate synthase (NADPH). [EC: 1.4.1.4, 1.4.1.13]

Predicted SEED Role

"Glutamate synthase [NADPH] small chain (EC 1.4.1.13)" in subsystem Ammonia assimilation or Glutamine, Glutamate, Aspartate and Asparagine Biosynthesis (EC 1.4.1.13)

MetaCyc Pathways

• L-glutamate and L-glutamine biosynthesis (7/7 steps found)
• L-citrulline biosynthesis (7/8 steps found)
• ammonia assimilation cycle III (3/3 steps found)
• superpathway of ammonia assimilation (plants) (3/3 steps found)
• L-glutamate biosynthesis I (2/2 steps found)
• ammonia assimilation cycle I (2/2 steps found)
• superpathway of L-citrulline metabolism (9/12 steps found)
• L-glutamate biosynthesis III (1/1 steps found)
• L-glutamate biosynthesis IV (1/1 steps found)
• L-glutamine degradation I (1/1 steps found)
• L-glutamine degradation II (1/1 steps found)
• L-asparagine biosynthesis III (tRNA-dependent) (3/4 steps found)
• glutaminyl-tRNA^gln biosynthesis via transamidation (3/4 steps found)

KEGG Metabolic Maps

• Arginine and proline metabolism
• Biosynthesis of alkaloids derived from ornithine, lysine and nicotinic acid
• Glutamate metabolism
• Nitrogen metabolism

Isozymes

Compare fitness of predicted isozymes for: 1.4.1.13, 1.4.1.4

Use Curated BLAST to search for 1.4.1.13 or 1.4.1.14 or 1.4.1.4

Protein Sequence (472 amino acids)

>IAI46_22350 glutamate synthase small subunit (Serratia liquefaciens MT49)
MSQNVYQFIDLQRVDPPKKPLKIRKIEFVEIYEPFSETQAKAQADRCLSCGNPYCEWKCP
VHNYIPNWLKLANEGRIMEAADLAHQTNSLPEVCGRVCPQDRLCEGSCTLNDEFGAVTIG
NIERYISDKAIEMGWKPDMSHVLPTGKRVAVIGAGPAGLACADVLTRNGVKAVVYDRHPE
IGGLLTFGIPAFKLEKEVMVKRRGIFSEMGIEFQLNTEVGKDIAMETLLSEFDAVFLGVG
TYQSMRGGLENEDAPGVYDALPFLIANTKQLMGYQAEQHEPYVSMEGKRVVVLGGGDTAM
DCVRTSIRQGATEVICAYRRDEANMPGSKREVKNAREEGVDFKFNLQPLSIELNSAGRVA
GVKMVRTQLGAPDANGRQVAEQVPGSEHVIDADAVVMAFGFRPHQMDWLAAHDVELDKQG
RIVAPESTDNAFQTSNPKIFAGGDAVRGSDLVVTAIAEGRKAADGIMSYLEV