1LN3 | pdb_00001ln3

Structure of Human Phosphatidylcholine Transfer Protein in Complex with Palmitoyl-Linoleoyl Phosphatidylcholine (Seleno-Met Protein)

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1ln3b_	Alpha and beta proteins (a+b)	TBP-like	Bet v1-like	STAR domain	Phosphatidylcholine transfer protein	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1ln3a_	Alpha and beta proteins (a+b)	TBP-like	Bet v1-like	STAR domain	Phosphatidylcholine transfer protein	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Bet v1-like	8041318	3000738	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Bet v1-like	8041318	3000738	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	START	e1ln3B1	A: a+b two layers	X: TBP-like	H: Bet v1-like (From Topology)	T: Bet v1-like	F: START	ECOD (1.6)
A	START	e1ln3A1	A: a+b two layers	X: TBP-like	H: Bet v1-like (From Topology)	T: Bet v1-like	F: START	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.530.20	Alpha Beta	2-Layer Sandwich	Alpha-D-Glucose-1,6-Bisphosphate	Chain A, domain 4	CATH (4.3.0)
A	3.30.530.20	Alpha Beta	2-Layer Sandwich	Alpha-D-Glucose-1,6-Bisphosphate	Chain A, domain 4	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01852	START domain (START)	START domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Phosphatidylcholine transfer protein	phosphatidylcholine transporter activity lipid transporter activity transporter activity phospholipid transporter activity cation binding ion binding binding phosphatidylcholine binding phospholipid binding lipid binding quaternary ammonium group binding small molecule binding	localization transport macromolecule localization phospholipid transport lipid localization lipid transport establishment of localization organophosphate ester transport multicellular organismal process regulation of biological process regulation of cellular process negative regulation of cold-induced thermogenesis homeostatic process negative regulation of metabolic process localization transport macromolecule localization phospholipid transport lipid localization lipid transport establishment of localization organophosphate ester transport multicellular organismal process regulation of biological process regulation of cellular process negative regulation of cold-induced thermogenesis homeostatic process negative regulation of metabolic process biological regulation negative regulation of biological process adaptive thermogenesis multicellular organismal-level homeostasis regulation of cold-induced thermogenesis cold-induced thermogenesis negative regulation of cellular process temperature homeostasis metabolic process cellular process regulation of multicellular organismal process negative regulation of multicellular organismal process regulation of metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR041950	STARD2, START domain	Domain
A, B	IPR051213	START domain-containing lipid transfer	Family
A, B	IPR023393	START-like domain superfamily	Homologous Superfamily
A, B	IPR002913	START domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q9UKL6	astrocytic tumor ovarian cancer lung adenocarcinoma pancreatic ductal adenocarcinoma lung cancer psoriasis

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.