Structure of PDB 7w20 Chain M

Receptor sequence

>7w20M (length=690) Species: 9823 (Sus scrofa)

SNLIEVFVDGQSVMVEPGTTVLQACEKVGMQIPRFCYHERLSVAGNCRMC
LVEIEKAPKVVAACAMPVMKGWNILTNSEKSKKAREGVMEFLLANHPLDC
PICDQGGECDLQDQSMMFGSDRSRFLEGKRAVEDKNIGPLVKTIMTRCIQ
CTRCIRFASEIAGVDDLGTTGRGNDMQVGTYIEKMFMSELSGNIIDICPV
GALTSKPYAFTARPWETRKTESIDVMDAVGSNIVVSTRTGEVMRILPRMH
EDINEEWISDKTRFAYDGLKRQRLTQPMIRNEKGLLTYTTWEDALSRVAG
MLQSFQGNDVAAIAGGLVDAEALVALKDLLNRVDSDSLCTEEVFPTAGAG
TDLRSNYLLNTTIAGVEEADVILLVGTNPRFEAPLFNARIRKSWLHNDLK
VALIGSPVDLTYRYDHLGDSPKILQDIASGNHPFSQILKEAKKPMVVLGS
SALQRSDGTAILAAVSNIAQNIRLSSGVTGDWKVMNILHRIASQVAALDL
GYKPGVEAIRKNPPKVLFLLGADGGCITRQDLPKDCFIIYQGHHGDVGAP
MADVILPGAAYTEKSATYVNTEGRAQQTKVAVTPPGLAREDWKIIRALSE
IAGMTLPYDTLDQVRSRLEEVSPNLVRYDDVEGANYFQQANELSKLVNQQ
LLADPLVPPQLTIKDFYMTDSISRASQTMAKCVKAVTEGI

3D structure

• PDB: 7w20 The coupling mechanism of mammalian mitochondrial complex I.
• Chain: M
• Resolution: 3.0 Å

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	M	H124 D127 C128 C131 Q133 G134 C137 Q140 V228 G229	H96 D99 C100 C103 Q105 G106 C109 Q112 V200 G201
BS02	SF4	M	C176 I177 Q178 C179 T180 R181 C182 C226 L231	C148 I149 Q150 C151 T152 R153 C154 C198 L203
BS03	FES	M	R62 C64 Y65 G73 C75 R76 C78 C92	R34 C36 Y37 G45 C47 R48 C50 C64
BS04	MG	M	Q133 C226 V228	Q105 C198 V200

Gene Ontology

Molecular Function

• GO:0008137 NADH dehydrogenase (ubiquinone) activity
• GO:0016491 oxidoreductase activity
• GO:0016651 oxidoreductase activity, acting on NAD(P)H
• GO:0046872 metal ion binding
• GO:0051536 iron-sulfur cluster binding
• GO:0051539 4 iron, 4 sulfur cluster binding

Biological Process

• GO:0042773 ATP synthesis coupled electron transport
• GO:1902600 proton transmembrane transport

Cellular Component

• GO:0005743 mitochondrial inner membrane
• GO:0016020 membrane

External links

• PDB: RCSB:7w20, PDBe:7w20, PDBj:7w20
• PDBsum: 7w20
• PubMed: 35145322
• UniProt: A0A4X1V1H9