Annotations: 7ZKQ

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth 2]	F_UNCLASSIFIED	e7zkq21	A: alpha complex topology	X: Sodium/proton antiporter subunits-like (From Homology)	H: Sodium/proton antiporter subunits-like	T: NADH-quinone oxidoreductase subunit L (NuoL)-related	F: F_UNCLASSIFIED	ECOD (1.6)
C [auth A]	F_UNCLASSIFIED	e7zkqA1	A: beta sandwiches	X: jelly-roll	H: Concanavalin A-like	T: Galactose-binding domain-like	F: F_UNCLASSIFIED	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth 2]	PF00361	Proton-conducting membrane transporter (Proton_antipo_M)	Proton-conducting membrane transporter	-	Family
C [auth A]	PF08547	Complex I intermediate-associated protein 30 (CIA30) (CIA30)	Complex I intermediate-associated protein 30 (CIA30)	-	Family
E [auth T]	PF01553	Acyltransferase (Acyltransferase)	Acyltransferase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth 2]	NADH dehydrogenase subunit 2	electron transfer activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity primary active transmembrane transporter activity transporter activity transmembrane transporter activity	-	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm organelle membrane respirasome
B [auth b]	Subunit NEBM of NADH:Ubiquinone Oxidoreductase (Complex I)	-	-	-
C [auth A]	Complex I intermediate-associated protein 30-domain-containing protein	unfolded protein binding protein binding binding	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, NADH to ubiquinone respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, NADH to ubiquinone respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly NADH dehydrogenase complex assembly cellular component organization or biogenesis	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle
D [auth C]	complex I assembly factor CIA84	RNA binding binding organic cyclic compound binding nucleic acid binding mRNA binding	cellular biosynthetic process cellular metabolic process mitochondrial gene expression gene expression macromolecule biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process metabolic process cellular process macromolecule metabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle
E [auth T]	Tafazzin family protein	1-acylglycerophosphocholine O-acyltransferase activity O-acyltransferase activity acyltransferase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity catalytic activity	mitochondrial membrane organization membrane organization cellular component organization organelle organization inner mitochondrial membrane organization cellular process cellular component organization or biogenesis mitochondrion organization aerobic respiration cellular respiration oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport mitochondrial membrane organization membrane organization cellular component organization organelle organization inner mitochondrial membrane organization cellular process cellular component organization or biogenesis mitochondrion organization aerobic respiration cellular respiration oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy respiratory electron transport chain metabolic process mitochondrial ATP synthesis coupled electron transport cellular component biogenesis cellular component assembly mitochondrial respirasome assembly protein-containing complex organization protein-containing complex assembly cardiolipin acyl-chain remodeling phosphatidylglycerol metabolic process glycerophospholipid metabolic process primary metabolic process cardiolipin metabolic process phospholipid metabolic process organic substance metabolic process organophosphate metabolic process cellular lipid metabolic process phosphate-containing compound metabolic process glycerolipid metabolic process phosphorus metabolic process lipid metabolic process lipid biosynthetic process phospholipid biosynthetic process biosynthetic process organophosphate biosynthetic process organic substance biosynthetic process	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm organelle membrane organelle outer membrane bounding membrane of organelle mitochondrial outer membrane outer membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth 2]	IPR001750	NADH:quinone oxidoreductase/Mrp antiporter, membrane subunit	Domain
C [auth A]	IPR039131	Complex I intermediate-associated protein 30, mitochondrial	Family
C [auth A]	IPR013857	NADH:ubiquinone oxidoreductase intermediate-associated protein 30	Domain
C [auth A]	IPR008979	Galactose-binding-like domain superfamily	Homologous Superfamily
E [auth T]	IPR002123	Phospholipid/glycerol acyltransferase	Domain
E [auth T]	IPR000872	Tafazzin	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A [auth 2], E [auth T]	OPM	Transmembrane	Alpha-helical polytopic	Electron transport chain complex I (NADH dehydrogenase) and supercomplexes	H+ or Na+ translocating NADH dehydrogenase

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A [auth 2], E [auth T]	PDBTM	Annotated as membrane protein by PDBTM

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A [auth 2]	FME	Parent Component: MET RESID: AA0021 , AA0566 PSI-MOD : N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.