6R4L | pdb_00006r4l

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Patched	e6r4lA5	A: alpha bundles	X: Multidrug efflux transporter AcrB transmembrane domain (From Topology)	H: Multidrug efflux transporter AcrB transmembrane domain (From Topology)	T: Multidrug efflux transporter AcrB transmembrane domain	F: Patched	ECOD (1.6)
A	Sterol-sensing	e6r4lA2	A: alpha bundles	X: Multidrug efflux transporter AcrB transmembrane domain (From Topology)	H: Multidrug efflux transporter AcrB transmembrane domain (From Topology)	T: Multidrug efflux transporter AcrB transmembrane domain	F: Sterol-sensing	ECOD (1.6)
A	2A060601	e6r4lA3	A: a+b two layers	X: Alpha-beta plaits	H: Ferredoxin domains in multidrug efflux transporter	T: Multidrug efflux transporter AcrB pore domain	F: 2A060601	ECOD (1.6)
A	UNK_F_TYPE	e6r4lA4	A: a+b two layers	X: Alpha-beta plaits	H: Ferredoxin domains in multidrug efflux transporter	T: Multidrug efflux transporter AcrB pore domain	F: UNK_F_TYPE	ECOD (1.6)
A	NPC1_N	e6r4lA1	A: few secondary structure elements	X: Frizzled cysteine-rich domain-related (From Topology)	H: Frizzled cysteine-rich domain-related (From Topology)	T: Frizzled cysteine-rich domain-related	F: NPC1_N	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF22314	NPC1, middle luminal domain (NPC1_MLD)	NPC1, middle luminal domain	NPC intracellular cholesterol transporter 1 (NPC1) is a endosomal/lysosomal membrane protein that facilitates the trafficking of cholesterol and other cargo from lysosomes and is involved in cholesterol homeostasis. Mutations in the NPC1 gene cause t ...	NPC intracellular cholesterol transporter 1 (NPC1) is a endosomal/lysosomal membrane protein that facilitates the trafficking of cholesterol and other cargo from lysosomes and is involved in cholesterol homeostasis. Mutations in the NPC1 gene cause the rare neurodegenerative disease Niemann-Pick Type C (NPC). This entry represents the middle luminal domain (MLD) of NPC1, which contains the Ebola glycoprotein interacting site [5].	Domain
A	PF12349	Sterol-sensing domain of SREBP cleavage-activation (Sterol-sensing)	Sterol-sensing domain of SREBP cleavage-activation	-	Family
A	PF00873	AcrB/AcrD/AcrF family (ACR_tran)	AcrB/AcrD/AcrF family	-	Family

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	NPC intracellular cholesterol transporter 1-related protein 1	sterol binding binding steroid binding lipid binding transporter activity transmembrane transporter activity	membrane lipid metabolic process sphingolipid metabolic process primary metabolic process metabolic process cellular process lipid metabolic process localization transport macromolecule localization lipid localization lipid transport sterol transport organic hydroxy compound transport establishment of localization	vacuolar membrane membrane-bounded organelle storage vacuole intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle vacuolar membrane membrane-bounded organelle storage vacuole intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle cytoplasm organelle membrane fungal-type vacuole membrane endoplasmic reticulum endomembrane system

Chains	Accession	Name	Type
A	IPR001036	Acriflavin resistance protein	Family
A	IPR053958	HMGCR/SNAP/NPC1-like, sterol-sensing domain	Domain
A	IPR053956	NPC1, middle luminal domain	Domain
A	IPR032190	Niemann-Pick C1, N-terminal	Domain
A	IPR000731	Sterol-sensing domain	Domain

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Transmembrane	Alpha-helical polytopic	Resistance-nodulation-cell division	Patched family

Chains	External Link	Comment
A	PDBTM	Annotated as membrane protein by PDBTM

Chains	External Link	Comment
A	MemProtMD	Annotated as membrane protein by MemProtMD

Chains	Resource Link	Group	Subgroup	Protein
A	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Sterol-Sensing Domain (SSD) Proteins	Niemann-Pick type C protein NCR1

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

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