Annotations: 7B00

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Glycosyl hydrolase domain-like	8052503	3001528	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	(Trans)glycosidases	8052501	3000313	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)
A	AA_permease_2_1	e7b00A1	A: alpha complex topology	X: Sodium:neurotransmitter symporter family (SNF)-like (From Topology)	H: Sodium:neurotransmitter symporter family (SNF)-like (From Topology)	T: Sodium:neurotransmitter symporter family (SNF)-like	F: AA_permease_2_1	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF00128	Alpha amylase, catalytic domain (Alpha-amylase)	Alpha amylase, catalytic domain	Alpha amylase is classified as family 13 of the glycosyl hydrolases. The structure is an 8 stranded alpha/beta barrel containing the active site, interrupted by a ~70 a.a. calcium-binding domain protruding between beta strand 3 and alpha helix 3, a ...	Alpha amylase is classified as family 13 of the glycosyl hydrolases. The structure is an 8 stranded alpha/beta barrel containing the active site, interrupted by a ~70 a.a. calcium-binding domain protruding between beta strand 3 and alpha helix 3, and a carboxyl-terminal Greek key beta-barrel domain.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Large neutral amino acids transporter small subunit 2	L-amino acid transmembrane transporter activity amino acid transmembrane transporter activity transporter activity carboxylic acid transmembrane transporter activity organic acid transmembrane transporter activity transmembrane transporter activity organic anion transmembrane transporter activity binding antigen binding peptide antigen binding peptide binding antiporter activity active transmembrane transporter activity secondary active transmembrane transporter activity L-amino acid transmembrane transporter activity amino acid transmembrane transporter activity transporter activity carboxylic acid transmembrane transporter activity organic acid transmembrane transporter activity transmembrane transporter activity organic anion transmembrane transporter activity binding antigen binding peptide antigen binding peptide binding antiporter activity active transmembrane transporter activity secondary active transmembrane transporter activity protein heterodimerization activity protein binding protein dimerization activity toxin transmembrane transporter activity alanine transmembrane transporter activity organic cation transmembrane transporter activity L-alanine transmembrane transporter activity neutral L-amino acid transmembrane transporter activity thyroid hormone transmembrane transporter activity glycine transmembrane transporter activity L-leucine transmembrane transporter activity branched-chain amino acid transmembrane transporter activity	thyroid hormone transport localization transport regulation of hormone levels biological regulation hormone transport regulation of biological quality establishment of localization transmembrane transport amino acid transport amino acid transmembrane transport cellular process nitrogen compound transport organic anion transport thyroid hormone transport localization transport regulation of hormone levels biological regulation hormone transport regulation of biological quality establishment of localization transmembrane transport amino acid transport amino acid transmembrane transport cellular process nitrogen compound transport organic anion transport carboxylic acid transport glycine transport neutral amino acid transport L-amino acid transport organic cation transport organic acid transport import into cell carboxylic acid transmembrane transport organic acid transmembrane transport L-alanine transmembrane transport import across plasma membrane L-alanine import across plasma membrane alanine transport L-alanine transport L-alpha-amino acid transmembrane transport amino acid import across plasma membrane proline transmembrane transport L-leucine transport branched-chain amino acid transport L-leucine import across plasma membrane valine transport multicellular organismal process system process circulatory system process vascular process in circulatory system vascular transport transport across blood-brain barrier aromatic amino acid transport tryptophan transport	cell periphery apical part of cell membrane plasma membrane plasma membrane region cellular anatomical entity apical plasma membrane basal part of cell basal plasma membrane plasma membrane bounded cell projection cell projection actin-based cell projection microvillus microvillus membrane cell periphery apical part of cell membrane plasma membrane plasma membrane region cellular anatomical entity apical plasma membrane basal part of cell basal plasma membrane plasma membrane bounded cell projection cell projection actin-based cell projection microvillus microvillus membrane cell projection membrane basolateral plasma membrane
B	Isoform 2 of 4F2 cell-surface antigen heavy chain	monoatomic cation transmembrane transporter activity metal cation:monoatomic cation antiporter activity calcium:monoatomic cation antiporter activity sodium ion transmembrane transporter activity secondary active transmembrane transporter activity antiporter activity active monoatomic ion transmembrane transporter activity active transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity calcium:sodium antiporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity monoatomic cation transmembrane transporter activity metal cation:monoatomic cation antiporter activity calcium:monoatomic cation antiporter activity sodium ion transmembrane transporter activity secondary active transmembrane transporter activity antiporter activity active monoatomic ion transmembrane transporter activity active transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity calcium:sodium antiporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity RNA binding double-stranded RNA binding binding organic cyclic compound binding nucleic acid binding protein binding exogenous protein binding alanine transmembrane transporter activity L-amino acid transmembrane transporter activity organic cation transmembrane transporter activity carboxylic acid transmembrane transporter activity amino acid transmembrane transporter activity L-alanine transmembrane transporter activity neutral L-amino acid transmembrane transporter activity organic acid transmembrane transporter activity organic anion transmembrane transporter activity aromatic amino acid transmembrane transporter activity cell adhesion molecule binding cadherin binding virus receptor activity protein heterodimerization activity protein dimerization activity neutral L-amino acid secondary active transmembrane transporter activity identical protein binding protein homodimerization activity L-leucine transmembrane transporter activity branched-chain amino acid transmembrane transporter activity	nitrogen compound transport organic anion transport carboxylic acid transport transport neutral amino acid transport establishment of localization amino acid transport organic acid transport localization branched-chain amino acid transport isoleucine transport biological process involved in interspecies interaction between organisms symbiont entry into host cell viral process nitrogen compound transport organic anion transport carboxylic acid transport transport neutral amino acid transport establishment of localization amino acid transport organic acid transport localization branched-chain amino acid transport isoleucine 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 methionine transport organic cation transport sulfur amino acid transport sulfur compound transport L-amino acid transport L-leucine transport valine transport aromatic amino acid transport tryptophan transport proline transport tyrosine transport carbohydrate metabolic process primary metabolic process metabolic process phenylalanine transport response to stimulus response to chemical response to dsRNA response to nitrogen compound response to exogenous dsRNA response to organic cyclic compound import into cell carboxylic acid transmembrane transport amino acid transmembrane transport organic acid transmembrane transport L-alanine transmembrane transport import across plasma membrane L-alanine import across plasma membrane alanine transport transmembrane transport L-alanine transport L-alpha-amino acid transmembrane transport cellular process amino acid import across plasma membrane L-leucine import across plasma membrane monoatomic ion transport monoatomic cation transport calcium ion transport metal ion transport L-histidine transport basic amino acid transport histidine transport	membrane cellular anatomical entity extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle cell periphery basal part of cell plasma membrane membrane cellular anatomical entity extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle cell periphery basal part of cell plasma membrane basal plasma membrane plasma membrane region basolateral plasma membrane vacuolar membrane intracellular anatomical structure lytic vacuole vacuole intracellular membrane-bounded organelle intracellular organelle lytic vacuole membrane bounding membrane of organelle lysosomal membrane cytoplasm organelle membrane lysosome somatodendritic compartment cell body cell pole apical pole of neuron neuronal cell body pigment granule intracellular vesicle melanosome cytoplasmic vesicle apical part of cell apical plasma membrane cell surface anchoring junction cell junction nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen synapse amino acid transport complex protein-containing complex plasma membrane protein complex membrane protein complex

InterPro: Protein Family Classification InterPro Database Homepage

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

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9UHI5	endometriosis acute lymphoblastic leukemia breast carcinoma malignant mesothelioma ovarian cancer B-cell acute lymphoblastic leukemia chronic obstructive pulmonary disease hydrolethalus syndrome medulloblastoma pituitary cancer breast cancer Endometrioma malignant colon neoplasm osteosarcoma primitive neuroectodermal tumor
B	Pharos: 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	SLC7A8 L-type amino acid transporter LAT2-CD98hc complex, apo state

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.