Structure of PDB 6q8x Chain 1

Receptor sequence
>6q8x1 (length=437) Species: 300852 (Thermus thermophilus HB8) [Search protein sequence]
TGPILSGLDPRFERTLYAHVGKEGSWTLDYYLRHGGYETAKRVLKEKTPD
EVIEEVKRSGLRGRGGAGFPTGLKWSFMPKDDGKQHYLICNADESEPGSF
KDRYILEDVPHLLIEGMILAGYAIRATVGYIYVRGEYRRAADRLEQAIKE
ARARGYLGKNLFGTDFSFDLHVHRGAGAYICGEETALMNSLEGLRANPRL
KPPFPAQSGLWGKPTTINNVETLASVVPIMERGADWFAQMGTEQSKGMKL
YQISGPVKRPGVYELPMGTTFRELIYEWAGGPLEPIQAIIPGGSSTPPLP
FTEEVLDTPMSYEHLQAKGSMLGTGGVILIPERVSMVDAMWNLTRFYAHE
SCGKCTPCREGVAGFMVNLFAKIGTGQGEEKDVENLEALLPLIEGRSFCP
LADAAVWPVKGSLRHFKDQYLALAREKRPVPRPSLWR
3D structure
PDB6q8x Key role of quinone in the mechanism of respiratory complex I.
Chain1
Resolution3.508 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 7.1.1.-
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 1 S352 C353 G354 K355 C356 C359 F399 C400 S351 C352 G353 K354 C355 C358 F398 C399
BS02 FMN 1 G64 R65 G66 N92 D94 Y180 G183 N220 L402 G63 R64 G65 N91 D93 Y179 G182 N219 L401
Gene Ontology
Molecular Function
GO:0008137 NADH dehydrogenase (ubiquinone) activity
GO:0010181 FMN binding
GO:0046872 metal ion binding
GO:0048038 quinone binding
GO:0051287 NAD binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:1902600 proton transmembrane transport
Cellular Component
GO:0005886 plasma membrane
GO:0045271 respiratory chain complex I

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:6q8x, PDBe:6q8x, PDBj:6q8x
PDBsum6q8x
PubMed32811817
UniProtQ56222|NQO1_THET8 NADH-quinone oxidoreductase subunit 1 (Gene Name=nqo1)

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