9IVC | pdb_00009ivc

Cryo-EM structure of AbA-bound Aur1-Kei1 complex

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: mpstruc
Protein Modification Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	Enolase_C, MAAL_C	e9ivcD1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Enolase_C, MAAL_C	ECOD (v295.2)
C	Myb_DNA-binding	e9ivcC2	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Myb_DNA-binding	ECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B, D	PF08552	Inositolphosphorylceramide synthase subunit Kei1 (Kei1)	Inositolphosphorylceramide synthase subunit Kei1	-	Family
A, C	PF14378	PAP2 superfamily (PAP2_3)	PAP2 superfamily	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E, F	Aureobasidin A	-	-	-
B, D	Inositol phosphorylceramide synthase regulatory subunit KEI1	enzyme regulator activity inositol phosphoceramide synthase regulator activity molecular function regulator activity	sphingolipid biosynthetic process biosynthetic process lipid biosynthetic process primary metabolic process metabolic process cellular process sphingolipid metabolic process lipid metabolic process phospholipid metabolic process organophosphate metabolic process phosphorus metabolic process inositol phosphoceramide metabolic process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure Golgi apparatus organelle cytoplasm intracellular membrane-bounded organelle endomembrane system protein-containing complex catalytic complex transferase complex inositol phosphoceramide synthase complex Golgi membrane membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure Golgi apparatus organelle cytoplasm intracellular membrane-bounded organelle endomembrane system protein-containing complex catalytic complex transferase complex inositol phosphoceramide synthase complex Golgi membrane membrane bounding membrane of organelle organelle membrane
A, C	Inositol phosphorylceramide synthase catalytic subunit AUR1	inositol phosphoceramide synthase activity glycosyltransferase activity transferase activity hexosyltransferase activity catalytic activity	sphingolipid biosynthetic process biosynthetic process lipid biosynthetic process primary metabolic process metabolic process cellular process sphingolipid metabolic process lipid metabolic process phospholipid metabolic process organophosphate metabolic process phosphorus metabolic process inositol phosphoceramide metabolic process glycolipid metabolic process glycerophospholipid metabolic process sphingolipid biosynthetic process biosynthetic process lipid biosynthetic process primary metabolic process metabolic process cellular process sphingolipid metabolic process lipid metabolic process phospholipid metabolic process organophosphate metabolic process phosphorus metabolic process inositol phosphoceramide metabolic process glycolipid metabolic process glycerophospholipid metabolic process liposaccharide metabolic process carbohydrate derivative metabolic process GPI anchor metabolic process mannosyl diphosphorylinositol ceramide metabolic process glycerolipid metabolic process	membrane-bounded organelle intracellular anatomical structure Golgi cisterna membrane Golgi apparatus subcompartment Golgi apparatus organelle subcompartment membrane Golgi cisterna intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure organelle Golgi stack membrane-bounded organelle intracellular anatomical structure Golgi cisterna membrane Golgi apparatus subcompartment Golgi apparatus organelle subcompartment membrane Golgi cisterna intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure organelle Golgi stack cytoplasm organelle membrane protein-containing complex catalytic complex transferase complex inositol phosphoceramide synthase complex endoplasmic reticulum

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, D	IPR013862	Inositolphosphorylceramide synthase subunit Kei1	Family
A, C	IPR052185	Inositol phosphorylceramide synthase-like	Family
A, C	IPR036938	Phosphatidic acid phosphatase type 2/haloperoxidase superfamily	Homologous Superfamily
A, C	IPR026841	Inositolphosphotransferase Aur1/Ipt1	Domain
A, C	IPR000326	Phosphatidic acid phosphatase type 2/haloperoxidase	Domain

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Phospholipid Synthases	Kei1 inositol phosphorylceramide (IPC) synthase regulatory subunit and catalytic subunit Aur1 complex, with bound aureobasidine A (AbA)

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
E, F	A1L3I
E, F	A1L3J
E, F	IIL	Parent Component: ILE
E, F	MEA	Parent Component: PHE : AA0065 : N-methyl-L-phenylalanine MOD:00074
E, F	MVA	Parent Component: VAL : AA0065