Annotations: 8U5C

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth E], B [auth F]	PF03547	Membrane transport protein (Mem_trans)	Membrane transport protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth E], B [auth F]	Integral membrane protein GPR155	sterol binding binding alcohol binding steroid binding lipid binding cholesterol binding small molecule binding	cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction positive regulation of TORC1 signaling intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction positive regulation of TOR signaling cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction positive regulation of TORC1 signaling intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction positive regulation of TOR signaling signal transduction regulation of TORC1 signaling positive regulation of cellular process TOR signaling regulation of biological process regulation of signaling regulation of TOR signaling biological regulation positive regulation of intracellular signal transduction regulation of response to stimulus regulation of cell communication cellular process TORC1 signaling positive regulation of signaling response to sterol response to lipid response to alcohol response to oxygen-containing compound response to cholesterol cellular response to oxygen-containing compound cellular response to chemical stimulus cellular response to alcohol response to chemical cellular response to lipid cellular response to sterol cellular response to cholesterol multicellular organismal process system process nervous system process cognition response to nutrient levels cellular response to amino acid starvation cellular response to starvation cellular response to nutrient levels cellular response to stress response to stress response to amino acid starvation response to starvation cell surface receptor protein serine/threonine kinase signaling pathway cellular response to growth factor stimulus negative regulation of signaling regulation of transmembrane receptor protein serine/threonine kinase signaling pathway negative regulation of biological process negative regulation of cellular response to growth factor stimulus negative regulation of BMP signaling pathway negative regulation of cell communication cellular response to endogenous stimulus negative regulation of cellular process BMP signaling pathway enzyme-linked receptor protein signaling pathway cellular response to BMP stimulus cell surface receptor signaling pathway regulation of BMP signaling pathway negative regulation of response to stimulus response to endogenous stimulus regulation of cellular response to growth factor stimulus negative regulation of signal transduction response to BMP transforming growth factor beta receptor superfamily signaling pathway response to growth factor negative regulation of transmembrane receptor protein serine/threonine kinase signaling pathway transmembrane transport localization transport establishment of localization	vacuolar membrane membrane-bounded organelle intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle lysosomal membrane cytoplasm vacuolar membrane membrane-bounded organelle intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle lysosomal membrane cytoplasm organelle membrane lysosome extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth E], B [auth F]	IPR000591	DEP domain	Domain
A [auth E], B [auth F]	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A [auth E], B [auth F]	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
A [auth E], B [auth F]	IPR037368	Integral membrane protein GPR155, DEP domain	Domain
A [auth E], B [auth F]	IPR051832	Regulators of mTOR signaling and Rac activation	Family
A [auth E], B [auth F]	IPR004776	Membrane transport PIN-like	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A [auth E], B [auth F]	Pharos: Q7Z3F1	Hepatomegaly medulloblastoma pancreatic intraductal papillary-mucinous neoplasm primitive neuroectodermal tumor sinusitis adenoma atypical teratoid rhabdoid tumor Crohn disease gastric carcinoma large cell medulloblastoma malignant pancreatic neoplasm osteosarcoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia progressive supranuclear palsy tuberculosis Hepatomegaly medulloblastoma pancreatic intraductal papillary-mucinous neoplasm primitive neuroectodermal tumor sinusitis adenoma atypical teratoid rhabdoid tumor Crohn disease gastric carcinoma large cell medulloblastoma malignant pancreatic neoplasm osteosarcoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia progressive supranuclear palsy tuberculosis Alzheimer disease autism endogenous depression glioblastoma hydrolethalus syndrome malignant ependymoma MALT lymphoma ovarian cancer Pick disease sarcoidosis astrocytic tumor gastric cancer head and neck cancer interstitial cystitis malignant glioma

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A [auth E], B [auth F]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	G Protein-Coupled Receptors: Class B2	GPR155 lysosomal cholesterol signaling sensor (LYCHOS), dimer form

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.