Annotations: 7P9U

Cryo EM structure of System XC- in complex with glutamate

External Resource: Annotation

Domain Annotation: ECOD Classification
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
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)
B	Arm, ARM_PUB	e7p9uB1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Arm, ARM_PUB	ECOD (v295.2)
A	Glyco_hydro_98C	e7p9uA01	A: alpha arrays	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Glyco_hydro_98C	ECOD (v295.2)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Cystine/glutamate transporter	passive transmembrane transporter activity narrow pore channel activity leak channel activity channel activity transporter activity transmembrane transporter activity L-amino acid transmembrane transporter activity sulfur amino acid transmembrane transporter activity sulfur compound transmembrane transporter activity L-glutamate transmembrane transporter activity carboxylic acid transmembrane transporter activity modified amino acid transmembrane transporter activity secondary active transmembrane transporter activity cystine:glutamate antiporter activity passive transmembrane transporter activity narrow pore channel activity leak channel activity channel activity transporter activity transmembrane transporter activity L-amino acid transmembrane transporter activity sulfur amino acid transmembrane transporter activity sulfur compound transmembrane transporter activity L-glutamate transmembrane transporter activity carboxylic acid transmembrane transporter activity modified amino acid transmembrane transporter activity secondary active transmembrane transporter activity cystine:glutamate antiporter activity antiporter activity amino acid transmembrane transporter activity dicarboxylic acid transmembrane transporter activity active transmembrane transporter activity acidic amino acid transmembrane transporter activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity monoatomic cation channel activity monoatomic ion channel activity proton channel activity monoatomic ion transmembrane transporter activity L-kynurenine transmembrane transporter activity	monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization nitrogen compound transport carboxylic acid transport L-cystine transport neutral amino acid transport monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization nitrogen compound transport carboxylic acid transport L-cystine transport neutral amino acid transport L-amino acid transport organic acid transport amino acid transport sulfur amino acid transport sulfur compound transport modified amino acid transport carboxylic acid transmembrane transport amino acid transmembrane transport L-glutamate import acidic amino acid transport dicarboxylic acid transport L-alpha-amino acid transmembrane transport L-glutamate transmembrane transport homeostatic process biological regulation regulation of intracellular pH lysosomal lumen pH elevation cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis regulation of pH monoatomic ion homeostasis intracellular chemical homeostasis regulation of biological quality monoatomic cation homeostasis intracellular pH elevation intracellular monoatomic ion homeostasis import into cell import across plasma membrane amino acid import across plasma membrane L-kynurenine transmembrane transport response to stimulus response to chemical response to toxic substance negative regulation of ferroptosis regulation of biological process regulation of cellular process negative regulation of programmed cell death negative regulation of biological process regulation of programmed cell death cell death negative regulation of cellular process regulation of ferroptosis ferroptosis programmed cell death	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 protein-containing complex transmembrane transporter complex membrane protein complex transporter complex glial cell projection cell projection plasma membrane bounded cell projection astrocyte projection cell surface plasma membrane intracellular membraneless organelle actin cytoskeleton cell periphery actin-based cell projection cytoskeleton membraneless organelle plasma membrane region microvillus microvillus membrane cell projection membrane brush border membrane cluster of actin-based cell projections brush border apical part of cell apical plasma membrane
A	4F2 cell-surface antigen heavy chain	RNA binding double-stranded RNA binding binding nucleic acid binding protein binding exogenous protein binding protein heterodimerization activity protein dimerization activity alanine transmembrane transporter activity L-amino acid transmembrane transporter activity amino acid transmembrane transporter activity L-alanine transmembrane transporter activity neutral L-amino acid transmembrane transporter activity transporter activity RNA binding double-stranded RNA binding binding nucleic acid binding protein binding exogenous protein binding protein heterodimerization activity protein dimerization activity alanine transmembrane transporter activity L-amino acid transmembrane transporter activity amino acid transmembrane transporter activity L-alanine transmembrane transporter activity neutral L-amino acid transmembrane transporter activity transporter activity carboxylic acid transmembrane transporter activity transmembrane transporter activity aromatic amino acid transmembrane transporter activity identical protein binding protein homodimerization activity cell adhesion molecule binding cadherin binding L-leucine transmembrane transporter activity branched-chain amino acid transmembrane transporter activity	organic acid transport amino acid transport localization nitrogen compound transport carboxylic acid transport transport neutral amino acid transport proline transport L-amino acid transport establishment of localization branched-chain amino acid transport isoleucine transport aromatic amino acid transport tyrosine transport organic acid transport amino acid transport localization nitrogen compound transport carboxylic acid transport transport neutral amino acid transport proline transport L-amino acid transport establishment of localization branched-chain amino acid transport isoleucine transport aromatic amino acid transport tyrosine transport carbohydrate metabolic process primary metabolic process metabolic process cellular process phenylalanine transport biological process involved in interspecies interaction between organisms symbiont entry into host cell viral process symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction thyroid hormone transport regulation of hormone levels biological regulation hormone transport regulation of biological quality response to stimulus response to chemical response to dsRNA response to nitrogen compound response to exogenous dsRNA import into cell carboxylic acid transmembrane transport L-alanine transmembrane transport import across plasma membrane L-alanine import across plasma membrane amino acid transmembrane transport alanine transport transmembrane transport L-alanine transport L-alpha-amino acid transmembrane transport amino acid import across plasma membrane sulfur amino acid transport sulfur compound transport methionine transport L-leucine transport L-leucine import across plasma membrane monoatomic ion transport monoatomic cation transport calcium ion transport metal ion transport valine transport L-histidine transport basic amino acid transport multicellular organismal process system process circulatory system process vascular process in circulatory system vascular transport transport across blood-brain barrier tryptophan transport	cellular anatomical structure membrane membrane-bounded organelle intracellular anatomical structure pigment granule intracellular vesicle intracellular membrane-bounded organelle intracellular organelle melanosome cytoplasmic vesicle organelle cytoplasm vesicle cell periphery cellular anatomical structure membrane membrane-bounded organelle intracellular anatomical structure pigment granule intracellular vesicle intracellular membrane-bounded organelle intracellular organelle melanosome cytoplasmic vesicle organelle cytoplasm vesicle cell periphery apical part of cell plasma membrane plasma membrane region apical plasma membrane basal part of cell basal plasma membrane extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular membrane-bounded organelle cell surface anchoring junction cell junction basolateral plasma membrane vacuolar membrane lytic vacuole vacuole lytic vacuole membrane bounding membrane of organelle lysosomal membrane organelle membrane lysosome somatodendritic compartment cell body cell pole apical pole of neuron neuronal cell body synapse protein-containing complex transmembrane transporter complex membrane protein complex transporter complex amino acid transport complex plasma membrane protein complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR050598	Cellular Amino Acid Transporter	Family
B	IPR004760	L-type amino acid transporter	Family
B	IPR002293	Amino acid/polyamine transporter I	Family
A	IPR013780	Glycosyl hydrolase, all-beta	Homologous Superfamily
A	IPR042280	Amino acid transporter heavy chain SLC3A2	Family
A	IPR031984	Solute carrier family 3 member 2, N-terminal domain	Domain
A	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A	IPR006047	Glycosyl hydrolase family 13, catalytic domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B	: Q9UPY5	Neoplasm Metastasis contact dermatitis medulloblastoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia psoriasis ulcerative colitis atrial fibrillation breast cancer ductal breast carcinoma in situ interstitial cystitis lung adenocarcinoma malignant ependymoma pancreatic intraductal papillary-mucinous carcinoma pituitary cancer Neoplasm Metastasis contact dermatitis medulloblastoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia psoriasis ulcerative colitis atrial fibrillation breast cancer ductal breast carcinoma in situ interstitial cystitis lung adenocarcinoma malignant ependymoma pancreatic intraductal papillary-mucinous carcinoma pituitary cancer Sjogren syndrome atypical teratoid rhabdoid tumor chronic obstructive pulmonary disease Crohn disease glioblastoma invasive ductal breast carcinoma lung cancer malignant pancreatic neoplasm non-small cell lung carcinoma pancreatic intraductal papillary-mucinous neoplasm progressive supranuclear palsy tuberculosis Barrett esophagus cystic fibrosis head and neck cancer large cell medulloblastoma malignant colon neoplasm
A	: P08195	breast cancer Lung Neoplasms polycystic ovary syndrome diabetes mellitus malignant ependymoma tuberculosis lung benign neoplasm

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B	OPM	Transmembrane	Alpha-helical polytopic	APC (Amino acid-Polyamine-organoCation) superfamily	Amino acid permease

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

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

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Solute Carrier (SLC) Transporter Superfamily	SLC7A11 (xCT, xc⁻) cystine antiporter