Structure of PDB 3ttb Chain B Binding Site BS10

Receptor Information
>3ttb Chain B (length=519) Species: 108010 (Thioalkalivibrio paradoxus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
QLKPVDALQCYDCHTQIEDMHVVGKHATVNCVHCHDATEHVETASARRMG
ERPVTHTSPEACASCHTAQFNSFASVRHESHPREEKANPRSRSPKFDTLI
GAHGFSLEHAEPRSHAFMLVDHFIVDRAYGGRFQYKSWQNVTDGLGAVRG
AWTVIEDMDPTTSDQRRFLAQTATAANPVCLNCKTQDHILDWAYMGDEHD
AAKWARTSKVVDFARDLHHPVNCYMCHDPHSTEPRVVRDALIHAVVDQGL
GTYPYDEAKSEHVTLTPVTFQRGGEDFRKIGLLNVADSNLMCGQCHVEYN
CNPGFQQSDGAPVGMDDRRTNHFFWANVFDYAEAAKEIDFFDFTHVTTGA
PLPKLQHPELETFWGSTHERNGVTCADCHMPRVKLENGKEYTMHSPRTPR
DMMNRACLNCHDGWTEAEAEYAIDYIKNYTHGKIMKAEFWLARMIDLFPV
AKRAGVSEDVLNEVRALHYDAHLHWEWWTAENSVGFHNPDQARESLMKSI
TKSKEGVGKLDAAIDAAVA
Ligand information
Ligand IDSO3
InChIInChI=1S/H2O3S/c1-4(2)3/h(H2,1,2,3)/p-2
InChIKeyLSNNMFCWUKXFEE-UHFFFAOYSA-L
SMILES
SoftwareSMILES
CACTVS 3.341[O-][S]([O-])=O
OpenEye OEToolkits 1.5.0[O-]S(=O)[O-]
ACDLabs 10.04[O-]S([O-])=O
FormulaO3 S
NameSULFITE ION
ChEMBL
DrugBank
ZINC
PDB chain3ttb Chain B Residue 526 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3ttb Comparative structural and functional analysis of two octaheme nitrite reductases from closely related Thioalkalivibrio species.
Resolution2.0 Å
Binding residue
(original residue number in PDB)		R131 Y303 Q360 H361
Binding residue
(residue number reindexed from 1)		R127 Y299 Q356 H357
Annotation score1
Enzymatic activity
Enzyme Commision number 1.7.2.2: nitrite reductase (cytochrome; ammonia-forming).
Gene Ontology
Molecular Function
GO:0016491 oxidoreductase activity
GO:0020037 heme binding
GO:0042279 nitrite reductase (cytochrome, ammonia-forming) activity
GO:0046872 metal ion binding
Biological Process
GO:0019645 anaerobic electron transport chain
Cellular Component
GO:0030288 outer membrane-bounded periplasmic space
GO:0042597 periplasmic space

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3ttb, PDBe:3ttb, PDBj:3ttb
PDBsum3ttb
PubMed22935005
UniProtE7EDQ7

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