Structure of PDB 1hbn Chain D Binding Site BS03

Receptor Information
>1hbn Chain D (length=548) Species: 145262 (Methanothermobacter thermautotrophicus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ADKLFINALKKKFEESPEEKKTTFYTLGGWKQSERKTEFVNAGKEVAAKR
GIPQYNPDIGTPLGQRVLMPYQVSTTDTYVEGDDLHFVNNAAMQQMWDDI
RRTVIVGLNHAHAVIEKRLGKEVTPETITHYLETVNHAMPGAAVVQEHMV
ETHPALVADSYVKVFTGNDEIADEIDPAFVIDINKQFPEDQAETLKAEVG
DGIWQVVRIPTIVSRTCDGATTSRWSAMQIGMSMISAYKQAAGEAATGDF
AYAAKHAEVIHMGTYLPVRRARGENEPGGVPFGYLADICQSSRVNYEDPV
RVSLDVVATGAMLYDQIWLGSYMSGGVGFTQYATAAYTDNILDDFTYFGK
EYVEDKYGLCEAPNNMDTVLDVATEVTFYGLEQYEEYPALLEDQFGGSQR
AAVVAAAAGCSTAFATGNAQTGLSGWYLSMYLHKEQHSRLGFYGYDLQDQ
CGASNVFSIRGDEGLPLELRGPNYPNYAMNVGHQGEYAGISQAPHAARGD
AFVFNPLVKIAFADDNLVFDFTNVRGEFAKGALREFEPAGERALITPA
Ligand information
Ligand IDF43
InChIInChI=1S/C42H52N6O13.Ni/c1-40(16-30(43)50)22(5-9-33(54)55)27-15-42-41(2,17-31(51)48-42)23(6-10-34(56)57)26(47-42)13-24-20(11-35(58)59)19(4-8-32(52)53)39(45-24)37-28(49)7-3-18-21(12-36(60)61)25(46-38(18)37)14-29(40)44-27;/h13,18-23,25,27H,3-12,14-17H2,1-2H3,(H9,43,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61);/q;+2/p-1/t18-,19-,20-,21-,22+,23+,25+,27-,40-,41-,42-;/m0./s1
InChIKeyXLFIRMYGVLUNOY-SXMZNAGASA-M
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6C[C@@]12CC(=O)N[C@@]13C[C@H]4[C@H]([C@](C5=[N]4[Ni+]67[N]3=C([C@H]2CCC(=O)O)C=C8N6C(=C9C(=O)CC[C@@H]1C9=[N]7[C@H](C5)[C@H]1CC(=O)O)[C@H]([C@@H]8CC(=O)O)CCC(=O)O)(C)CC(=O)N)CCC(=O)O
OpenEye OEToolkits 1.7.6CC12CC(=O)NC13CC4C(C(C5=[N]4[Ni+]67[N]3=C(C2CCC(=O)O)C=C8N6C(=C9C(=O)CCC1C9=[N]7C(C5)C1CC(=O)O)C(C8CC(=O)O)CCC(=O)O)(C)CC(=O)N)CCC(=O)O
CACTVS 3.385C[C@]1(CC(N)=O)[C@H](CCC(O)=O)[C@@H]2C[C@]34NC(=O)C[C@@]3(C)[C@H](CCC(O)=O)C5=N4|[Ni+]|67|N2=C1C[C@H]8N|6=C9[C@@H](CCC(=O)C9=C%10[C@@H](CCC(O)=O)[C@H](CC(O)=O)C(=C5)[N@@]7%10)[C@@H]8CC(O)=O
CACTVS 3.385C[C]1(CC(N)=O)[CH](CCC(O)=O)[CH]2C[C]34NC(=O)C[C]3(C)[CH](CCC(O)=O)C5=N4|[Ni+]|67|N2=C1C[CH]8N|6=C9[CH](CCC(=O)C9=C%10[CH](CCC(O)=O)[CH](CC(O)=O)C(=C5)[N]7%10)[CH]8CC(O)=O
FormulaC42 H51 N6 Ni O13
NameFACTOR 430
ChEMBL
DrugBank
ZINC
PDB chain1hbn Chain D Residue 1550 [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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PDB1hbn On the Mechanism of Biological Methane Formation: Structural Evidence for Conformational Changes in Methyl-Coenzyme M Reductase Upon Substrate Binding
Resolution1.16 Å
Binding residue
(original residue number in PDB)		V328 G329 F330 T331 Q332 Y333 G442 F443
Binding residue
(residue number reindexed from 1)		V327 G328 F329 T330 Q331 Y332 G441 F442
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) Q147 Y333 G445 N481
Catalytic site (residue number reindexed from 1) Q146 Y332 G444 N480
Enzyme Commision number 2.8.4.1: coenzyme-B sulfoethylthiotransferase.
Gene Ontology
Molecular Function
GO:0016740 transferase activity
GO:0046872 metal ion binding
GO:0050524 coenzyme-B sulfoethylthiotransferase activity
Biological Process
GO:0015948 methanogenesis
Cellular Component
GO:0005737 cytoplasm

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1hbn, PDBe:1hbn, PDBj:1hbn
PDBsum1hbn
PubMed11491299
UniProtP11558|MCRA_METTM Methyl-coenzyme M reductase I subunit alpha (Gene Name=mcrA)

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