Structure of PDB 3cus Chain C

Receptor sequence
>3cusC (length=260) Species: 878 (Solidesulfovibrio fructosivorans) [Search protein sequence]
HRPSVVWLHNAECTGCTEAAIRTIKPYIDALILDTISLDYQETIMAAAGE
AAEAALHQALEGKDGYYLVVEGGLPTIDGGQWGMVAGHPMIETTKKAAAK
AKGIICIGTCSAYGGVQKAKPNPSQAKGVSEALGVKTINIPGCPPNPINF
VGAVVHVLTKGIPDLDENGRPKLFYGELVHDNCPRLPHFEASEFAPSFDS
EEAKKGFCLYELGCKGPVTYNNCPKVLFNQVNWPVQAGHPCLGCSEPDFW
DTMTPFYEQG
3D structure
PDB3cus Experimental approaches to kinetics of gas diffusion in hydrogenase
ChainC
Resolution2.2 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) C17 C20 C114 C147 H184 C187 C212 C218 C227 P238 C245 C248
Catalytic site (residue number reindexed from 1) C13 C16 C110 C143 H180 C183 C208 C214 C223 P234 C241 C244
Enzyme Commision number 1.12.2.1: cytochrome-c3 hydrogenase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 SF4 C H184 C187 R189 L190 F193 C212 L213 Y214 C218 P221 H180 C183 R185 L186 F189 C208 L209 Y210 C214 P217
BS02 F3S C N225 C227 F232 W237 P238 C245 L246 C248 N221 C223 F228 W233 P234 C241 L242 C244
BS03 SF4 C E16 C17 G19 C20 G112 C114 C147 P148 E12 C13 G15 C16 G108 C110 C143 P144
Gene Ontology
Molecular Function
GO:0008901 ferredoxin hydrogenase activity
GO:0009055 electron transfer activity
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0047806 cytochrome-c3 hydrogenase activity
GO:0051536 iron-sulfur cluster binding
GO:0051538 3 iron, 4 sulfur cluster binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0009061 anaerobic respiration
Cellular Component
GO:0009375 ferredoxin hydrogenase complex
GO:0016020 membrane
GO:0042597 periplasmic space
GO:0044569 [Ni-Fe] hydrogenase complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3cus, PDBe:3cus, PDBj:3cus
PDBsum3cus
PubMed18685111
UniProtP18187|PHNS_SOLFR Periplasmic [NiFe] hydrogenase small subunit (Gene Name=hydA)

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