Structure of PDB 4ucx Chain Q Binding Site BS01

Receptor Information
>4ucx Chain Q (length=544) Species: 878 (Solidesulfovibrio fructosivorans) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PTPQSTFTGPIVVDPITRIEGHLRIMVEVENGKVKDAWSSSQLFRGLEII
LKGRDPRDAQHFTQRACGVCTYVHALASSRCVDDAVKVSIPANARMMRNL
VMASQYLHDHLVHFYHLHALDWVDVTAALKADPNKAAKLAASIAPARPGN
SAKALKAVQDKLKAFVESGQLGIFTNAYFLGGHKAYYLPPEVDLIATAHY
LEALHMQVKAASAMAILGGKNPHTQFTVVGGCSNYQGLTKDPLANYLALS
KEVCQFVNECYIPDLLAVAGFYKDWGGIGGTSNYLAFGEFATDDSSPEKH
LATSQFPSGVITGRDLGKVDNVDLGAIYEDVKYSWYAPGGDGKHPYDGVT
DPKYTKLDDKDHYSWMKAPRYKGKAMEVGPLARTFIAYAKGQPDFKKVVD
MVLGKLSVPATALHSTLGRTAARGIETAIVCANMEKWIKEMADSGAKDNT
LCAKWEMPEESKGVGLADAPRGALSHWIRIKGKKIDNFQLVVPSTWNLGP
RGAQGDKSPVEEALIGTPIADPKRPVEILRTVHAFDPCIACGVH
Ligand information
Ligand IDFCO
InChIInChI=1S/2CN.CO.Fe/c3*1-2;
InChIKeyVBQUCMTXYFMTTE-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0C(#N)[Fe](=C=O)C#N
ACDLabs 10.04N#C\[Fe](C#N)=C=O
CACTVS 3.341O=C=[Fe](C#N)C#N
FormulaC3 Fe N2 O
NameCARBONMONOXIDE-(DICYANO) IRON
ChEMBL
DrugBank
ZINC
PDB chain4ucx Chain Q 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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PDB4ucx A threonine stabilizes the NiC and NiR catalytic intermediates of [NiFe]-hydrogenase.
Resolution1.95 Å
Binding residue
(original residue number in PDB)		C75 V78 H79 A474 P475 R476 L479 V497 P498 S499 C546
Binding residue
(residue number reindexed from 1)		C70 V73 H74 A469 P470 R471 L474 V492 P493 S494 C541
Annotation score1
Enzymatic activity
Enzyme Commision number 1.12.2.1: cytochrome-c3 hydrogenase.
Gene Ontology
Molecular Function
GO:0008901 ferredoxin hydrogenase activity
GO:0016151 nickel cation binding
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0047806 cytochrome-c3 hydrogenase activity
Cellular Component
GO:0042597 periplasmic space

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Molecular Function
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Cellular Component
External links
PDB RCSB:4ucx, PDBe:4ucx, PDBj:4ucx
PDBsum4ucx
PubMed25666617
UniProtP18188|PHNL_SOLFR Periplasmic [NiFe] hydrogenase large subunit (Gene Name=hydB)

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