Structure of PDB 1qh8 Chain D Binding Site BS01

Receptor Information
>1qh8 Chain D (length=519) Species: 573 (Klebsiella pneumoniae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SQTIDKINSCYPLFEQDEYQELFRNKRQLEEAHDAQRVQEVFAWTTTAEY
EALNFRREALTVDPAKACQPLGAVLCSLGFANTLPYVHGSQGCVAYFRTY
FNRHFKEPIACVSDSMTEDAAVFGGNNNMNLGLQNASALYKPEIIAVSTT
CMAEVIGDDLQAFIANAKKDGFVDSSIAVPHAHTPSFIGSHVTGWDNMFE
GFAKTFTADYQGQPGKLPKLNLVTGFETYLGNFRVLKRMMEQMAVPCSLL
SDPSEVLDTPADGHYRMYSGGTTQQEMKEAPDAIDTLLLQPWQLLKSKKV
VQEMWNQPATEVAIPLGLAATDELLMTVSQLSGKPIADALTLERGRLVDM
MLDSHTWLHGKKFGLYGDPDFVMGLTRFLLELGCEPTVILSHNANKRWQK
AMNKMLDASPYGRDSEVFINCDLWHFRSLMFTRQPDFMIGNSYGKFIQRD
TLAKGKAFEVPLIRLGFPLFDRHHLHRQTTWGYEGAMNIVTTLVNAVLEK
LDSDTSQLGKTDYSFDLVR
Ligand information
Ligand IDMG
InChIInChI=1S/Mg/q+2
InChIKeyJLVVSXFLKOJNIY-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Mg+2]
CACTVS 3.341[Mg++]
FormulaMg
NameMAGNESIUM ION
ChEMBL
DrugBankDB01378
ZINC
PDB chain1qh8 Chain B Residue 3002 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1qh8 New insights into structure-function relationships in nitrogenase: A 1.6 A resolution X-ray crystallographic study of Klebsiella pneumoniae MoFe-protein.
Resolution1.6 Å
Binding residue
(original residue number in PDB)		K106 E107
Binding residue
(residue number reindexed from 1)		K106 E107
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) C151 V155
Catalytic site (residue number reindexed from 1) C151 V155
Enzyme Commision number 1.18.6.1: nitrogenase.
Gene Ontology
Molecular Function
GO:0005524 ATP binding
GO:0016163 nitrogenase activity
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0051536 iron-sulfur cluster binding
Biological Process
GO:0009399 nitrogen fixation
Cellular Component
GO:0016612 molybdenum-iron nitrogenase complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1qh8, PDBe:1qh8, PDBj:1qh8
PDBsum1qh8
PubMed10525412
UniProtP09772|NIFK_KLEPN Nitrogenase molybdenum-iron protein beta chain (Gene Name=nifK)

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