Protein Info for CCNA_03722 in Caulobacter crescentus NA1000
Annotation: glutamate synthase (NADPH) large chain GltB
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
KEGG orthology group: K00265, glutamate synthase (NADPH/NADH) large chain [EC: 1.4.1.13 1.4.1.14] (inferred from 70% identity to aex:Astex_2092)Predicted SEED Role
"Glutamate synthase [NADPH] large 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-asparagine biosynthesis III (tRNA-dependent) (4/4 steps found)
- glutaminyl-tRNAgln biosynthesis via transamidation (4/4 steps found)
- ammonia assimilation cycle III (3/3 steps found)
- L-glutamate biosynthesis I (2/2 steps found)
- ammonia assimilation cycle I (2/2 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)
- superpathway of ammonia assimilation (plants) (2/3 steps found)
- L-citrulline biosynthesis (5/8 steps found)
- L-glutamate and L-glutamine biosynthesis (4/7 steps found)
- superpathway of L-citrulline metabolism (7/12 steps found)
KEGG Metabolic Maps
- 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, 1.4.1.14
Use Curated BLAST to search for 1.4.1.13 or 1.4.1.14
Sequence Analysis Tools
PaperBLAST (search for papers about homologs of this protein)
Search CDD (the Conserved Domains Database, which includes COG and superfam)
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 A0A0H3CDU5 at UniProt or InterPro
Protein Sequence (1508 amino acids)
>CCNA_03722 glutamate synthase (NADPH) large chain GltB (Caulobacter crescentus NA1000) MAQNIDLYLKNRQALIDGHAYDPSTERDACGVGLVCAIDGQPRREVVELAIKALKALWHR GAVDADGKTGDGAGVLVSVPQDFFIDQVRRTGHALRQGPIAVGQIFLPRTDLGAQETCRT IVEAEALRFGFYIYGWRQVPVDTSVIGEKANATRPEIEQIMLAAPAGLEGEALERALFLC RKRIEKRVHAQNISDFYICSLSAKSLIYKGMFLAEAIDEFYPDLKDERFTAAVAIFHQRY STNTFPQWRLAQPFRMLAHNGEINTIKGNINWMKSHEIKMAAQAFGEFGDDVKPVIQPGG SDSANLDNTFEVLVRAGRDAPMAKALLVPEAANPKMKDAHKALYSYCNAVMEPWDGPAAL CATDGRWVVAGKDRSGLRPLRVAYTDDGLVIMGSEAGMCGVEEARITRKLAISPGRMIAI DLAEGRLYGEEEIIDELATRHPYTEWLGNMVDLEKEIGPGPEPRKFGREELTRRQAAAGY SLEDLEMILAPMVEEGKEAVGSMGDDTPLAVLSEKYRPLSHYFRQNFSQVTNPPIDPLRE TGVMSLKTRFKNLGNILAQDAAQADVYVLESPVLTTGMYERIHGLLGEKNVAVIDCTMPL PAEEARAGDALRANLDRIRAEAEDAVLRGCGAIVLTDEASDAERVALPMILATGGVHAHL VAKGLRSYVSIIVRSAECLDTHYFAVLVGVGATAVNAYLAQESFQDRLERGLVGDKSLRD VCINFKTAIEGGLLKIISKMGISVISSYRGGYNFEAVGLSRAMAAEFFPGMPSRISGIGL AGIESKTVELHRKAWGAAAVTLPVGGLYKARRSGEAHAFEARLMHTLQTACDTGDYELYR RWSNGLRTQKPIQLRDLLDWRSDRNPIATDDVESVNEIRKRFVTPGMSLGALSPEAHGAL NIAMNRIGARSVSGEGGEDSARYKPLPNGDNPNSAIKQVASGRFGVTAEYLNQCVELEIK VAQGAKPGEGGQLPGFKVTEMIARLRHSTPGVMLISPPPHHDIYSIEDLAQLIYDLKQIN PIARVTVKLVAATGIGAIAAGVAKAKADVILVAGGVGGTGASPQTSVKYAGGPWEMGLSE ANQVLTLNNLRHSVVLRADGGMRTGRDIVIAAMMGAEEFGIGTASLVAMGCIMVRQCHSN TCPVGVCTQDEALRAKFTGTPDKVINLFTFIAEEVREILAGLGFKSLQEIVGRTDLLAQV SRGGEHLDDLDLNPLLVRADPGANKPYNTVVGRNAVPDTLDAQIVRDAAPLLERGEKMQL TYTVRSTARTIGTRTSSHIVRKFGMKGLPSGHLTVQLKGSAGQSLGAFAVQGLRIELTGE ANDYVGKGLSGATIVIKPARGLAAPETNTLIGNTVLFGATSGRLFAAGQAGERFAVRNSG ATTVVEGCGANGCEYMTGGQVVILGPTGGNFGAGMTGGMAFVLDQHDRFEDNINPDSIVV QRLASPYWEGVLRALIAEHARETDSVFAATLLRDWDRVRDQFWQVCPKEMVSRLPQPLTA EEAVHERA