Structure of PDB 3h8l Chain A

Receptor sequence
>3h8lA (length=356) Species: 2283 (Acidianus ambivalens) [Search protein sequence]
TKVLVLGGRFGALTAAYTLKRLVGSKADVKVINKSRFSYFRPALPHVAIG
VRDVDELKVDLSEALPEKGIQFQEGTVEKIDAKSSMVYYTKPDGSMAEEE
YDYVIVGIGAHLATELVKGWDKYGYSVCEPEFATKLREKLESFQGGNIAI
GSGPFYQGHNPKPKVPENFVPNADSACEGPVFEMSLMLHGYFKKKGMLDK
VHVTVFSPGEYLSDLSPNSRKAVASIYNQLGIKLVHNFKIKEIREHEIVD
EKGNTIPADITILLPPYTGNPALKNSTPDLVDDGGFIPTDLNMVSIKYDN
VYAVGDANSMTVPKLGYLAVMTGRIAAQHLANRLGVPTKVDKYYPTIVCV
ADNPYE
3D structure
PDB3h8l Structural and functional insights into sulfide:quinone oxidoreductase.
ChainA
Resolution2.57 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) C129 C178 D215 C350 D353
Catalytic site (residue number reindexed from 1) C128 C177 D214 C349 D352
Enzyme Commision number 1.8.5.4: bacterial sulfide:quinone reductase.
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 FAD A G8 G9 R10 F11 N34 K35 A44 T77 V78 G108 I109 C129 G306 D307 K315 L316 G317 Y318 G7 G8 R9 F10 N33 K34 A43 T76 V77 G107 I108 C128 G305 D306 K314 L315 G316 Y317
BS02 S3H A C178 L316 C350 C177 L315 C349
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0016491 oxidoreductase activity
GO:0048038 quinone binding
GO:0070224 sulfide:quinone oxidoreductase activity
Cellular Component
GO:0016020 membrane

View graph for
Molecular Function
View graph for
Cellular Component
External links
PDB RCSB:3h8l, PDBe:3h8l, PDBj:3h8l
PDBsum3h8l
PubMed19438211
UniProtQ7ZAG8|SQRD_ACIAM Sulfide-quinone reductase (Gene Name=sqr)

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