7W2D

The closed conformation of the sigma-1 receptor from Xenopus laevis complexed with S1RA

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF04622	e7w2dA1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF04622	ECOD (1.6)
A	F_UNCLASSIFIED	e7w2dA2	A: extended segments	X: Transmembrane helix of sigma-1 receptor (From Topology)	H: Transmembrane helix of sigma-1 receptor (From Topology)	T: Transmembrane helix of sigma-1 receptor	F: F_UNCLASSIFIED	ECOD (1.6)
B [auth C]	PF04622	e7w2dC1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF04622	ECOD (1.6)
B [auth C]	F_UNCLASSIFIED	e7w2dC2	A: extended segments	X: Transmembrane helix of sigma-1 receptor (From Topology)	H: Transmembrane helix of sigma-1 receptor (From Topology)	T: Transmembrane helix of sigma-1 receptor	F: F_UNCLASSIFIED	ECOD (1.6)
C [auth E]	PF04622	e7w2dE1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF04622	ECOD (1.6)
C [auth E]	F_UNCLASSIFIED	e7w2dE2	A: extended segments	X: Transmembrane helix of sigma-1 receptor (From Topology)	H: Transmembrane helix of sigma-1 receptor (From Topology)	T: Transmembrane helix of sigma-1 receptor	F: F_UNCLASSIFIED	ECOD (1.6)
D [auth B]	PF04622	e7w2dB1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF04622	ECOD (1.6)
D [auth B]	F_UNCLASSIFIED	e7w2dB2	A: extended segments	X: Transmembrane helix of sigma-1 receptor (From Topology)	H: Transmembrane helix of sigma-1 receptor (From Topology)	T: Transmembrane helix of sigma-1 receptor	F: F_UNCLASSIFIED	ECOD (1.6)
E [auth D]	PF04622	e7w2dD1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF04622	ECOD (1.6)
E [auth D]	F_UNCLASSIFIED	e7w2dD2	A: extended segments	X: Transmembrane helix of sigma-1 receptor (From Topology)	H: Transmembrane helix of sigma-1 receptor (From Topology)	T: Transmembrane helix of sigma-1 receptor	F: F_UNCLASSIFIED	ECOD (1.6)
F	PF04622	e7w2dF1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF04622	ECOD (1.6)
F	F_UNCLASSIFIED	e7w2dF2	A: extended segments	X: Transmembrane helix of sigma-1 receptor (From Topology)	H: Transmembrane helix of sigma-1 receptor (From Topology)	T: Transmembrane helix of sigma-1 receptor	F: F_UNCLASSIFIED	ECOD (1.6)
G	PF04622	e7w2dG1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF04622	ECOD (1.6)
G	F_UNCLASSIFIED	e7w2dG2	A: extended segments	X: Transmembrane helix of sigma-1 receptor (From Topology)	H: Transmembrane helix of sigma-1 receptor (From Topology)	T: Transmembrane helix of sigma-1 receptor	F: F_UNCLASSIFIED	ECOD (1.6)
H	PF04622	e7w2dH1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF04622	ECOD (1.6)
H	F_UNCLASSIFIED	e7w2dH2	A: extended segments	X: Transmembrane helix of sigma-1 receptor (From Topology)	H: Transmembrane helix of sigma-1 receptor (From Topology)	T: Transmembrane helix of sigma-1 receptor	F: F_UNCLASSIFIED	ECOD (1.6)
I	PF04622	e7w2dI1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF04622	ECOD (1.6)
I	F_UNCLASSIFIED	e7w2dI2	A: extended segments	X: Transmembrane helix of sigma-1 receptor (From Topology)	H: Transmembrane helix of sigma-1 receptor (From Topology)	T: Transmembrane helix of sigma-1 receptor	F: F_UNCLASSIFIED	ECOD (1.6)
J	PF04622	e7w2dJ1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF04622	ECOD (1.6)
J	F_UNCLASSIFIED	e7w2dJ2	A: extended segments	X: Transmembrane helix of sigma-1 receptor (From Topology)	H: Transmembrane helix of sigma-1 receptor (From Topology)	T: Transmembrane helix of sigma-1 receptor	F: F_UNCLASSIFIED	ECOD (1.6)
K	PF04622	e7w2dK1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF04622	ECOD (1.6)
K	F_UNCLASSIFIED	e7w2dK2	A: extended segments	X: Transmembrane helix of sigma-1 receptor (From Topology)	H: Transmembrane helix of sigma-1 receptor (From Topology)	T: Transmembrane helix of sigma-1 receptor	F: F_UNCLASSIFIED	ECOD (1.6)
L	PF04622	e7w2dL1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF04622	ECOD (1.6)
L	F_UNCLASSIFIED	e7w2dL2	A: extended segments	X: Transmembrane helix of sigma-1 receptor (From Topology)	H: Transmembrane helix of sigma-1 receptor (From Topology)	T: Transmembrane helix of sigma-1 receptor	F: F_UNCLASSIFIED	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B [auth C], C [auth E], D [auth B], E [auth D], A, B [auth C], C [auth E], D [auth B], E [auth D], F, G, H, I, J, K, L	PF04622	ERG2 and Sigma1 receptor like protein (ERG2_Sigma1R)	ERG2 and Sigma1 receptor like protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B [auth C], C [auth E], D [auth B], E [auth D], A, B [auth C], C [auth E], D [auth B], E [auth D], F, G, H, I, J, K, L	Sigma non-opioid intracellular receptor 1	-	organic hydroxy compound metabolic process steroid metabolic process sterol metabolic process lipid biosynthetic process alcohol metabolic process ergosterol biosynthetic process cellular lipid biosynthetic process organic substance metabolic process organic substance biosynthetic process small molecule metabolic process ergosterol metabolic process steroid biosynthetic process phytosteroid metabolic process secondary alcohol biosynthetic process organic hydroxy compound metabolic process steroid metabolic process sterol metabolic process lipid biosynthetic process alcohol metabolic process ergosterol biosynthetic process cellular lipid biosynthetic process organic substance metabolic process organic substance biosynthetic process small molecule metabolic process ergosterol metabolic process steroid biosynthetic process phytosteroid metabolic process secondary alcohol biosynthetic process small molecule biosynthetic process cellular metabolic process primary metabolic process organic cyclic compound metabolic process phytosteroid biosynthetic process secondary alcohol metabolic process biosynthetic process sterol biosynthetic process organic hydroxy compound biosynthetic process organic cyclic compound biosynthetic process alcohol biosynthetic process cellular lipid metabolic process metabolic process cellular process lipid metabolic process localization transport macromolecule localization organic substance transport lipid localization lipid transport establishment of localization	membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoplasmic vesicle organelle intracellular vesicle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle vesicle organelle inner membrane nuclear membrane membrane nucleus membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoplasmic vesicle organelle intracellular vesicle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle vesicle organelle inner membrane nuclear membrane membrane nucleus endomembrane system organelle envelope nuclear inner membrane nuclear envelope organelle membrane nuclear outer membrane organelle outer membrane bounding membrane of organelle nuclear outer membrane-endoplasmic reticulum membrane network outer membrane organelle subcompartment endoplasmic reticulum subcompartment endoplasmic reticulum endoplasmic reticulum membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B [auth C], C [auth E], D [auth B], E [auth D], A, B [auth C], C [auth E], D [auth B], E [auth D], F, G, H, I, J, K, L	IPR006716	ERG2/sigma1 receptor-like	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B [auth C], C [auth E], D [auth B], E [auth D] A, B [auth C], C [auth E], D [auth B], E [auth D], F, G, H, I, J, K, L	OPM				ERG2 and Sigma1 receptor family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B [auth C], C [auth E], D [auth B], E [auth D] A, B [auth C], C [auth E], D [auth B], E [auth D], F, G, H, I, J, K, L	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B [auth C], C [auth E], D [auth B], E [auth D] A, B [auth C], C [auth E], D [auth B], E [auth D], F, G, H, I, J, K, L	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Novel Receptors	Sigma-1 (σ₁) receptor, closed conformation

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7W2D

The closed conformation of the sigma-1 receptor from Xenopus laevis complexed with S1RA

External Resource: Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Protein Family Annotation Pfam Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage

Membrane Protein Annotation: OPM OPM Database Homepage

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Membrane Protein Annotation: mpstruc mpstruc Database Homepage