Structure of PDB 3t14 Chain A

Receptor sequence
>3t14A (length=421) Species: 243159 (Acidithiobacillus ferrooxidans ATCC 23270) [Search protein sequence]
MRGSAHVVILGAGTGGMPAAYEMKEALGSGHEVTLISANDYFQFVPSNPW
VGVGWKERDDIAFPIRHYVERKGIHFIAQSAEQIDAEAQNITLADGNTVH
YDYLMIATGPKLAFENVPGSDPHEGPVQSIATVDHAERAFAEYQALLREP
GPIVIGAMAGASCFGPAYEYAMIVASDLKKRGMRDKIPSFTFITSEPYIG
HLGIQGVGDSKGILTKGLKEEGIEAYTNCKVTKVEDNKMYVTQVDEKGET
IKEMVLPVKFGMMIPAFKGVPAVAGVEGLCNPGGFVLVDEHQRSKKYANI
FAAGIAIAIPPVETTPVPTGAPKTGYMIESMVSAAVHNIKADLEGRKGEQ
TMGTWNAVCFADMGDRGAAFIALPQLKPRKVDVFAYGRWVHLAKVAFEKY
FIRKMKMGVSEPFYEKVLFKM
3D structure
PDB3t14 Structure-activity characterization of sulfide:quinone oxidoreductase variants.
ChainA
Resolution2.21 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) A128 C160 H198 C356 D359 K391
Catalytic site (residue number reindexed from 1) A131 C163 H201 C359 D362 K394
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 L7 G8 G10 T11 G12 S34 A35 V42 P43 S77 A78 A104 T105 G106 C160 P163 G301 I302 K320 T321 G322 C356 L10 G11 G13 T14 G15 S37 A38 V45 P46 S80 A81 A107 T108 G109 C163 P166 G304 I305 K323 T324 G325 C359
BS02 S2H A G162 C356 G165 C359
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:3t14, PDBe:3t14, PDBj:3t14
PDBsum3t14
PubMed22542586
UniProtB7JBP8|SQRD_ACIF2 Sulfide-quinone reductase (Gene Name=AFE_1792)

[Back to BioLiP]