Structure of PDB 6oib Chain B

Receptor sequence
>6oibB (length=406) Species: 9606 (Homo sapiens) [Search protein sequence]
MNHYEVLVLGGGSGGITMAARMKRKVGAENVAIVEPSERHFYQPIWTLVG
AGAKQLSSSGRPTASVIPSGVEWIKARVTELNPDKNCIHTDDDEKISYRY
LIIALGIQLDYEKIKGLPEGFAHPKIGSNYSVKTVEKTWKALQDFKEGNA
IFTFPNTPVKCAGAPQKIMYLSEAYFRKTGKRSKANIIFNTSLGAIFGVK
KYADALQEIIQERNLTVNYKKNLIEVRADKQEAVFENLDKPGETQVISYE
MLHVTPPMSPPDVLKTSPVADAAGWVDVDKETLQHRRYPNVFGIGDCTNL
PTSKTAAAVAAQSGILDRTISVIMKNQTPTKKYDGYTSCPLVTGYNRVIL
AEFDYKAEPLETFPFDQSKERLSMYLMKADLMPFLYWNMMLRGYWGGPAF
LRKLFH
3D structure
PDB6oib A Catalytic Trisulfide in Human Sulfide Quinone Oxidoreductase Catalyzes Coenzyme A Persulfide Synthesis and Inhibits Butyrate Oxidation.
ChainB
Resolution2.03 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) K173 C201 I389 E392 K418
Catalytic site (residue number reindexed from 1) K133 C161 I349 E352 K378
Enzyme Commision number 1.8.5.8: eukaryotic sulfide quinone oxidoreductase.
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 UQ1 B Y82 A347 S378 M422 M430 W435 P438 Y42 A307 S338 M382 M390 W395 P398
BS02 FAD B G52 S53 E75 P76 Q83 P84 R117 V118 L145 G146 Y170 C201 G335 D336 K344 T345 A346 P380 G12 S13 E35 P36 Q43 P44 R77 V78 L105 G106 Y130 C161 G295 D296 K304 T305 A306 P340
Gene Ontology
Molecular Function
GO:0005515 protein binding
GO:0016491 oxidoreductase activity
GO:0048038 quinone binding
GO:0070224 sulfide:quinone oxidoreductase activity
GO:0071949 FAD binding
GO:0106436 glutathione-dependent sulfide quinone oxidoreductase activity
Biological Process
GO:0070221 sulfide oxidation, using sulfide:quinone oxidoreductase
Cellular Component
GO:0005739 mitochondrion
GO:0005743 mitochondrial inner membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:6oib, PDBe:6oib, PDBj:6oib
PDBsum6oib
PubMed31591036
UniProtQ9Y6N5|SQOR_HUMAN Sulfide:quinone oxidoreductase, mitochondrial (Gene Name=SQOR)

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