ID GLTB_SYNY3 Reviewed; 1550 AA. AC P55037; DT 01-OCT-1996, integrated into UniProtKB/Swiss-Prot. DT 01-OCT-1996, sequence version 1. DT 16-JUN-2009, entry version 64. DE RecName: Full=Ferredoxin-dependent glutamate synthase 1; DE EC=1.4.7.1; DE AltName: Full=Fd-GOGAT; GN Name=gltB; OrderedLocusNames=sll1502; OS Synechocystis sp. (strain PCC 6803). OC Bacteria; Cyanobacteria; Chroococcales; Synechocystis. OX NCBI_TaxID=1148; RN [1] RP NUCLEOTIDE SEQUENCE [GENOMIC DNA]. RX MEDLINE=95244836; PubMed=7727752; DOI=10.1007/BF00020228; RA Navarro F., Chavez S., Candau P., Florencio F.J.; RT "Existence of two ferredoxin-glutamate synthases in the cyanobacterium RT Synechocystis sp. PCC 6803. Isolation and insertional inactivation of RT gltB and gltS genes."; RL Plant Mol. Biol. 27:753-767(1995). RN [2] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RX MEDLINE=97061201; PubMed=8905231; DOI=10.1093/dnares/3.3.109; RA Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y., RA Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., RA Hosouchi T., Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., RA Shimpo S., Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., RA Tabata S.; RT "Sequence analysis of the genome of the unicellular cyanobacterium RT Synechocystis sp. strain PCC6803. II. Sequence determination of the RT entire genome and assignment of potential protein-coding regions."; RL DNA Res. 3:109-136(1996). CC -!- CATALYTIC ACTIVITY: 2 L-glutamate + 2 oxidized ferredoxin = L- CC glutamine + 2-oxoglutarate + 2 reduced ferredoxin + 2 H(+). CC -!- COFACTOR: Binds 1 3Fe-4S cluster. CC -!- COFACTOR: FAD. CC -!- COFACTOR: FMN. CC -!- PATHWAY: Amino-acid biosynthesis; L-glutamate biosynthesis via GLT CC pathway; L-glutamate from 2-oxoglutarate and L-glutamine CC (ferredoxin route): step 1/1. CC -!- PATHWAY: Energy metabolism; nitrogen metabolism. CC -!- INTERACTION: CC P52231:trxA; NbExp=2; IntAct=EBI-862093, EBI-862916; CC -!- SIMILARITY: Belongs to the glutamate synthase family. CC -!- SIMILARITY: Contains 1 glutamine amidotransferase type-2 domain. CC -!- CAUTION: It is uncertain whether Met-1 or Met-21 is the initiator. CC ----------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see http://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution-NoDerivs License CC ----------------------------------------------------------------------- DR EMBL; X80485; CAA56652.1; -; Genomic_DNA. DR EMBL; BA000022; BAA17018.1; -; Genomic_DNA. DR PIR; S60228; S60228. DR RefSeq; NP_440338.1; -. DR HSSP; P55038; 1LM1. DR IntAct; P55037; 3. DR GeneID; 953637; -. DR GenomeReviews; BA000022_GR; sll1502. DR KEGG; syn:sll1502; -. DR NMPDR; fig|1148.1.peg.439; -. DR HOGENOM; P55037; -. DR OMA; P55037; WMAARQA. DR BioCyc; SSP1148:SLL1502-MON; -. DR GO; GO:0051538; F:3 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW. DR GO; GO:0016041; F:glutamate synthase (ferredoxin) activity; IEA:EC. DR GO; GO:0005506; F:iron ion binding; IEA:UniProtKB-KW. DR GO; GO:0005515; F:protein binding; IPI:IntAct. DR GO; GO:0006537; P:glutamate biosynthetic process; IEA:UniProtKB-KW. DR GO; GO:0006541; P:glutamine metabolic process; IEA:UniProtKB-KW. DR GO; GO:0055114; P:oxidation reduction; IEA:UniProtKB-KW. DR InterPro; IPR013785; Aldolase_TIM. DR InterPro; IPR000583; GATase_2. DR InterPro; IPR017932; GATase_II. DR InterPro; IPR002932; Glu_synth_centr_C. DR InterPro; IPR006982; Glu_synth_centr_N. DR InterPro; IPR002489; Glu_synthase_C. DR Gene3D; G3DSA:3.20.20.70; Aldolase_TIM; 2. DR Gene3D; G3DSA:2.160.20.60; Glu_synthase_C; 1. DR Pfam; PF00310; GATase_2; 1. DR Pfam; PF04898; Glu_syn_central; 1. DR Pfam; PF01645; Glu_synthase; 1. DR Pfam; PF01493; GXGXG; 1. DR PROSITE; PS51278; GATASE_TYPE_2; 1. PE 1: Evidence at protein level; KW 3Fe-4S; Amino-acid biosynthesis; Complete proteome; FAD; Flavoprotein; KW FMN; Glutamate biosynthesis; Glutamine amidotransferase; Iron; KW Iron-sulfur; Metal-binding; Oxidoreductase. FT CHAIN 1 1550 Ferredoxin-dependent glutamate synthase FT 1. FT /FTId=PRO_0000170793. FT DOMAIN 43 440 Glutamine amidotransferase type-2. FT NP_BIND 1097 1154 FMN (By similarity). FT ACT_SITE 43 43 For GATase activity (By similarity). FT METAL 1150 1150 Iron-sulfur (3Fe-4S) (By similarity). FT METAL 1156 1156 Iron-sulfur (3Fe-4S) (By similarity). FT METAL 1161 1161 Iron-sulfur (3Fe-4S) (By similarity). SQ SEQUENCE 1550 AA; 169071 MW; 07AA64D832296943 CRC64; MPCHEGLHPL VPNFCTVTSP MNSSHLAPQV QGLYDPQNEH DACGVGFIVQ MKGKVSHDIV EQGLQMLVNL EHRGACGCEP NTGDGAGILI QVPHKFIQKI AGAEGITIPA PGQYAVGNIY GSPDPLARAE ARQKFNDIVA QEGLKVLGWR DIPTQNEPLG ETAIASEPFM QQVYIARPEG LTDDLDFERK LYVIRKLTHG AIRSPKIDTY WYVASLSART LVYKGMLTTA QVGQYYPELH DPDMESALAL VHSRFSTNTF PSWERSHPYR YIAHNGEINT MRGNVNWMQA RQALFESSLF GEDMAKVQPV INIDGSDSTI FDNALELLYL AGRSLPHAVM MMIPEPWSAH ESMSQEKKAF YKYHSCLMEP WDGPASIAFT NGKMMGAVLD RNGLRPSRYY VTKDDLVIMA SEAGVLPIEP ERVAKKGRLQ PGRMFLVDME QGRIIADEEI KQEIVSQHPY GEWLAANLKS LEQLPSPGNV PGTDAESLRQ RQMAFGYTFE ELRILLAPMG RDGVEAIGSM GADTPLAVLS DKPKLLYNYF QQLFAQVTNP PIDSIREEII TSAETTIGGE GNLLDPRPES CRLIELKTPI LTNEDLAKLK ALDDDEFKSV TLDILFDPNQ GEAGLKTALD NLFTEADQAI SQGANLIILS DRQVSAEKAA IPALLAVSGL HHHLIRNGSR TKVGLVLESG EPREVHHFAV LLGYGCGAIN PYLAFETLDG MIAEGLLVNV DHKTACKNYI KAATKGVIKV ASKIGISTIQ SYRGAQIFEA VGLNQSVIDE YFCRTSSRIQ GSDLGVIAQE AILRHQHAFA PRPGDLHTLD VGGEYQWRKD GEEHLFSPQT IHLLQRAVRE GNYELYKQYA ALVNEQNQKF FTLRGLLDFQ DRESIPLEEV EPIEAIMKRF KTGAMSYGSI SKEAHESLAI AMNRIGGKSN TGEGGEDPER FTWTNDQGDS KNSAIKQVAS GRFGVTSLYL SQAKEIQIKM AQGAKPGEGG QLPGKKVYPW IAKVRHSTPG VGLISPPPHH DIYSIEDLAE LIHDLKNANR EARINVKLVS EVGVGTIAAG VAKAHADVVL VSGYDGGTGA SPQTSIKHAG LPWELGLAET HQTLVLNNLR SRIVVETDGQ MKTGRDVAIA ALLGAEEFGF STAPLVSLGC IMMRACHLNT CPVGIATQNP ELRAKFTGDP AHAVNFMTFI ATELREVMAQ LGFRTINEMV GRTDILEPKK AVAHWKAKGI DLSTILHQPE VGDDVGRYCQ IPQDHGLQHS LDITQLLDLC QPAIAKGEKV TATLPITNIN RVVGTIVGNE ITKRHWEGLP EDTVHLHFQG SAGQSFGAFI PKGMTLELEG DANDYLGKGL SGGKIIVYPP KGSSFIASEN IIAGNVCLYG ATAGEVYISG MVGERFCVRN SGVNTVVEAV GDHGCEYMTG GKVVVLGQTG RNFAAGMSGG VAYIFDETGD FATRCNSAMV GLEKLEDPEE IKDLKELIQN HVNYTDSAKG KAVLADWEAS IPKFVKVMPR DYKRVLQAIK KALEAGLSGD DALNAAFEEN AKDVARIGGS //