Structure of PDB 6s6s Chain B Binding Site BS02

Receptor Information
>6s6s Chain B (length=1468) Species: 192 (Azospirillum brasilense) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
CGVGFIAAIDGKPRRSVVEKGIEALKAVWHRGAVDADGKTGDGAGIHVAV
PQKFFKDHVKVIGHRAPDNKLAVGQVFLPRISLDAQEACRCIVETEILAF
GYYIYGWRQVPINVDIIGEKANATRPEIEQIIVGNNKGVSDEQFELDLYI
IRRRIEKAVKGEQINDFYICSLSARSIIYKGMFLAEQLTTFYPDLLDERF
ESDFAIYHQRYSTNTFPTWPLAQPFRMLAHNGEINTVKGNVNWMKAHETR
MEHPAFGTHMQDLKPVIGVGLSDSGSLDTVFEVMVRAGRTAPMVKMMLVP
QALTSSQTTPDNHKALIQYCNSVMEPWDGPAALAMTDGRWVVGGMDRNGL
RPMRYTITTDGLIIGGSETGMVKIDETQVIEKGRLGPGEMIAVDLQSGKL
YRDRELKDHLATLKPWDKWVQNTTHLDELVKTASLKDMDKAELRRRQQAF
GLTMEDMELILHPMVEDGKEAIGSMGDDSPIAVLSDKYRGLHHFFRQNFS
QVTNPPIDSLRERRVMSLKTRLGNLGNILDEDETQTRLLQLESPVLTTAE
FRAMRDYMGDTAAEIDATFPVDGGPEALRDALRRIRQETEDAVRGGATHV
ILTDEAMGPARAAIPAILATGAVHTHLIRSNLRTFTSLNVRTAEGLDTHY
FAVLIGVGATTVNAYLAQEAIAERHRRGLFGSMPLEKGMANYKKAIDDGL
LKIMSKMGISVISSYRGGGNFEAIGLSRALVAEHFPAMVSRISGIGLNGI
QKKVLEQHATAYNEEVVALPVGGFYRFRKSGDRHGWEGGVIHTLQQAVTN
DSYTTFKKYSEQVNKRPPMQLRDLLELRSTKAPVPVDEVESITAIRKRFI
TPGMSMGALSPEAHGTLNVAMNRIGAKSDSGEGGEDPARFRPDKNGDNWN
SAIKQVASGRFGVTAEYLNQCRELEIKVAQGAKPGEGGQLPGFKVTEMIA
RLRHSTPGVMLISPPPHHDIYSIEDLAQLIYDLKQINPDAKVTVKLVSRS
GIGTIAAGVAKANADIILISGNSGGTGASPQTSIKFAGLPWEMGLSEVHQ
VLTLNRLRHRVRLRTDGGLKTGRDIVIAAMLGAEEFGIGTASLIAMGCIM
VRQCHSNTCPVGVCVQDDKLRQKFVGTPEKVVNLFTFLAEEVREILAGLG
FRSLNEVIGRTDLLHQVSRGAEHLDDLDLNPRLAQVDPGENARYCTLQGR
NEVPDTLDARIVADARPLFEEGEKMQLAYNARNTQRAIGTRLSSMVTRKF
GMFGLQPGHITIRLRGTAGQSLGAFAVQGIKLEVMGDANDYVGKGLSGGT
IVVRPTTSSPLETNKNTIIGNTVLYGATAGKLFAAGQAGERFAVRNSGAT
VVVEGCGSNGCEYMTGGTAVILGRVGDNFAAGMTGGMAYVYDLDDSLPLY
INDESVIFQRIEVGHYESQLKHLIEEHVTETQSRFAAEILNDWAREVTKF
WQVVPKEMLNRLEVPVHL
Ligand information
Ligand IDF3S
InChIInChI=1S/3Fe.4S
InChIKeyFCXHZBQOKRZXKS-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.385S1[Fe]S[Fe]2S[Fe]1S2
OpenEye OEToolkits 2.0.7S1[Fe]2S[Fe]3[S]2[Fe]1S3
FormulaFe3 S4
NameFE3-S4 CLUSTER
ChEMBL
DrugBank
ZINC
PDB chain6s6s Chain B Residue 1502 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB6s6s Cryo-EM Structures of Azospirillum brasilense Glutamate Synthase in Its Oligomeric Assemblies.
Resolution3.9 Å
Binding residue
(original residue number in PDB)		M479 C1102 M1104 V1105 R1106 Q1107 C1108 C1113 C1118
Binding residue
(residue number reindexed from 1)		M475 C1098 M1100 V1101 R1102 Q1103 C1104 C1109 C1114
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) C1 R31 Y211 N231 G232 M479 E886 Q934 K937 Q943
Catalytic site (residue number reindexed from 1) C1 R31 Y211 N231 G232 M475 E882 Q930 K933 Q939
Enzyme Commision number 1.4.1.13: glutamate synthase (NADPH).
Gene Ontology
Molecular Function
GO:0004355 glutamate synthase (NADPH) activity
GO:0015930 glutamate synthase activity
GO:0016491 oxidoreductase activity
GO:0016638 oxidoreductase activity, acting on the CH-NH2 group of donors
GO:0046872 metal ion binding
GO:0051538 3 iron, 4 sulfur cluster binding
Biological Process
GO:0006537 glutamate biosynthetic process
GO:0006541 glutamine metabolic process
GO:0019676 ammonia assimilation cycle
GO:0097054 L-glutamate biosynthetic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:6s6s, PDBe:6s6s, PDBj:6s6s
PDBsum6s6s
PubMed31473159
UniProtQ05755|GLTB_AZOBR Glutamate synthase [NADPH] large chain (Gene Name=gltB)

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