Structure of PDB 3ttb Chain A Binding Site BS05

Receptor Information
>3ttb Chain A (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 IDHEC
InChIInChI=1S/C34H34N4O4.Fe/c1-7-21-17(3)25-13-26-19(5)23(9-11-33(39)40)31(37-26)16-32-24(10-12-34(41)42)20(6)28(38-32)15-30-22(8-2)18(4)27(36-30)14-29(21)35-25;/h7-8,13-16H,9-12H2,1-6H3,(H,39,40)(H,41,42);/q-4;+4/b21-7?,22-8?,26-13-,29-14-,30-15-,31-16-;
InChIKeyHXQIYSLZKNYNMH-LJNAALQVSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C(O)CCC1=C(C2=CC6=C(C(=C/C)\C5=CC4=C(C(\C3=Cc7c(c(c8C=C1N2[Fe](N34)(N56)n78)CCC(=O)O)C)=C/C)C)C)C
OpenEye OEToolkits 1.5.0CC=C1C(=C2C=C3C(=CC)C(=C4N3[Fe]56N2C1=Cc7n5c(c(c7C)CCC(=O)O)C=C8N6C(=C4)C(=C8CCC(=O)O)C)C)C
CACTVS 3.341C\C=C1/C(=C2C=C3N4C(=Cc5n6c(C=C7N8C(=C(C)\C7=C/C)C=C1N2[Fe@@]468)c(C)c5CCC(O)=O)C(=C3C)CCC(O)=O)C
CACTVS 3.341CC=C1C(=C2C=C3N4C(=Cc5n6c(C=C7N8C(=C(C)C7=CC)C=C1N2[Fe]468)c(C)c5CCC(O)=O)C(=C3C)CCC(O)=O)C
FormulaC34 H34 Fe N4 O4
NameHEME C
ChEMBL
DrugBank
ZINC
PDB chain3ttb Chain A Residue 1008 [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)		T371 H372 P403 A410 C411 C414 H415 W418 I427 F490
Binding residue
(residue number reindexed from 1)		T367 H368 P399 A406 C407 C410 H411 W414 I423 F486
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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