Annotations: 5B1Z

Crystal structure of Bcl-xL in complex with HBx-BH3 motif

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d5b1zb_	Membrane and cell surface proteins and peptides	Toxins' membrane translocation domains	Bcl-2 inhibitors of programmed cell death	Bcl-2 inhibitors of programmed cell death	Apoptosis regulator Bcl-xL	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d5b1za_	Membrane and cell surface proteins and peptides	Toxins' membrane translocation domains	Bcl-2 inhibitors of programmed cell death	Bcl-2 inhibitors of programmed cell death	Apoptosis regulator Bcl-xL	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Phage_integrase	e5b1zB1	A: alpha arrays	X: F-type ATP synthase subunit b	H: Bacterial cell wall synthesis membrane enzyme MraY-related	T: Bacterial cell wall synthesis membrane enzyme MraY-related	F: Phage_integrase	ECOD (v295.2)
A	Phage_integrase	e5b1zA1	A: alpha arrays	X: F-type ATP synthase subunit b	H: Bacterial cell wall synthesis membrane enzyme MraY-related	T: Bacterial cell wall synthesis membrane enzyme MraY-related	F: Phage_integrase	ECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02180	Bcl-2 homology region 4 (BH4)	Bcl-2 homology region 4	-	Family
A, B	PF00452	Apoptosis regulator proteins, Bcl-2 family (Bcl-2)	Apoptosis regulator proteins, Bcl-2 family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C, D	Peptide from Protein X	-	viral genome replication viral process viral life cycle	host intracellular membrane-bounded organelle host cellular component host intracellular part cellular anatomical structure host cell part host intracellular region host cell nucleus other organism part host intracellular organelle host cell mitochondrion host cell cytoplasm part host cell cytoplasm
A, B	Bcl-2-like protein 1	death domain binding protein binding binding BH3 domain binding BH domain binding protein domain specific binding kinase binding enzyme binding protein kinase binding passive transmembrane transporter activity channel activity transporter activity transmembrane transporter activity identical protein binding	cellular component organization organelle organization apoptotic mitochondrial changes cellular process apoptotic process cellular component organization or biogenesis cell death programmed cell death mitochondrion organization cellular response to stimulus negative regulation of extrinsic apoptotic signaling pathway in absence of ligand regulation of cellular process response to stimulus signal transduction in absence of ligand cellular component organization organelle organization apoptotic mitochondrial changes cellular process apoptotic process cellular component organization or biogenesis cell death programmed cell death mitochondrion organization cellular response to stimulus negative regulation of extrinsic apoptotic signaling pathway in absence of ligand regulation of cellular process response to stimulus signal transduction in absence of ligand negative regulation of signaling signaling negative regulation of biological process regulation of signal transduction regulation of programmed cell death negative regulation of cell communication extrinsic apoptotic signaling pathway negative regulation of signal transduction in absence of ligand cell communication negative regulation of extrinsic apoptotic signaling pathway negative regulation of apoptotic signaling pathway negative regulation of cellular process extrinsic apoptotic signaling pathway in absence of ligand signal transduction regulation of signaling regulation of biological process cell surface receptor signaling pathway negative regulation of response to stimulus negative regulation of programmed cell death regulation of apoptotic process biological regulation negative regulation of signal transduction regulation of extrinsic apoptotic signaling pathway apoptotic signaling pathway negative regulation of apoptotic process regulation of response to stimulus regulation of extrinsic apoptotic signaling pathway in absence of ligand regulation of cell communication regulation of apoptotic signaling pathway regulation of localization cellular localization regulation of protein localization negative regulation of protein localization to plasma membrane localization intracellular protein localization regulation of protein localization to membrane negative regulation of protein localization protein localization to cell periphery protein localization to plasma membrane regulation of protein localization to cell periphery localization within membrane protein localization to membrane negative regulation of protein localization to membrane regulation of cellular localization macromolecule localization negative regulation of protein localization to cell periphery regulation of protein localization to plasma membrane regulation of mitochondrial membrane potential regulation of biological quality regulation of membrane potential extrinsic apoptotic signaling pathway via death domain receptors negative regulation of extrinsic apoptotic signaling pathway via death domain receptors regulation of extrinsic apoptotic signaling pathway via death domain receptors positive regulation of programmed cell death positive regulation of biological process positive regulation of apoptotic process positive regulation of cellular process regulation of anoikis negative regulation of anoikis anoikis negative regulation of intracellular signal transduction regulation of cellular response to stress regulation of response to endoplasmic reticulum stress negative regulation of endoplasmic reticulum stress-induced intrinsic apoptotic signaling pathway intrinsic apoptotic signaling pathway in response to endoplasmic reticulum stress regulation of intrinsic apoptotic signaling pathway intracellular signal transduction regulation of endoplasmic reticulum stress-induced intrinsic apoptotic signaling pathway cellular response to stress regulation of intracellular signal transduction regulation of response to stress response to stress intrinsic apoptotic signaling pathway response to endoplasmic reticulum stress negative regulation of response to endoplasmic reticulum stress negative regulation of intrinsic apoptotic signaling pathway positive regulation of membrane permeability negative regulation of cellular component organization establishment of localization regulation of organelle organization regulation of membrane permeability negative regulation of mitochondrial outer membrane permeabilization involved in apoptotic signaling pathway regulation of mitochondrial membrane permeability involved in apoptotic process regulation of cellular component organization negative regulation of mitochondrial membrane permeability transport mitochondrial outer membrane permeabilization involved in programmed cell death positive regulation of mitochondrial membrane permeability involved in apoptotic process positive regulation of mitochondrial membrane permeability regulation of mitochondrial membrane permeability regulation of transport negative regulation of organelle organization regulation of mitochondrial outer membrane permeabilization involved in apoptotic signaling pathway regulation of mitochondrion organization negative regulation of membrane permeability mitochondrial outer membrane permeabilization response to peptide response to chemical response to cytokine negative regulation of execution phase of apoptosis regulation of execution phase of apoptosis execution phase of apoptosis regulation of cytokinesis regulation of cell cycle process cytokinesis regulation of cell division cell division cell cycle regulation of cell cycle cell cycle process regulation of release of cytochrome c from mitochondria negative regulation of release of cytochrome c from mitochondria release of cytochrome c from mitochondria DNA damage response intrinsic apoptotic signaling pathway in response to DNA damage negative regulation of catabolic process catabolic process negative regulation of metabolic process autophagy regulation of catabolic process regulation of autophagy negative regulation of autophagy metabolic process process utilizing autophagic mechanism regulation of metabolic process regulation of intrinsic apoptotic signaling pathway in response to DNA damage negative regulation of intrinsic apoptotic signaling pathway in response to DNA damage biological process involved in interspecies interaction between organisms defense response to virus defense response response to other organism response to external stimulus response to external biotic stimulus response to virus response to biotic stimulus	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope organelle membrane nuclear membrane nucleus endomembrane system nuclear envelope centrosome microtubule organizing center cytoskeleton membraneless organelle intracellular membraneless organelle microtubule cytoskeleton cytosol protein-containing complex Bcl-2 family protein complex organelle outer membrane bounding membrane of organelle mitochondrial outer membrane outer membrane synapse intracellular vesicle transport vesicle membrane presynapse cytoplasmic vesicle vesicle membrane synaptic vesicle synaptic vesicle membrane cell junction vesicle transport vesicle exocytic vesicle membrane cytoplasmic vesicle membrane secretory vesicle exocytic vesicle membrane-enclosed lumen mitochondrial matrix intracellular organelle lumen organelle lumen endoplasmic reticulum

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C, D	IPR000236	Transactivation protein X	Family
A, B	IPR020726	Apoptosis regulator, Bcl-2, BH2 motif, conserved site	Conserved Site
A, B	IPR036834	Bcl-2-like superfamily	Homologous Superfamily
A, B	IPR004725	Apoptosis regulator, Bcl-2/ BclX	Family
A, B	IPR046371	Bcl-2, Bcl-2 homology region 1-3	Domain
A, B	IPR003093	Apoptosis regulator, Bcl-2 protein, BH4	Domain
A, B	IPR002475	Bcl2-like	Family
A, B	IPR020731	Apoptosis regulator, Bcl-2, BH4 motif, conserved site	Conserved Site
A, B	IPR026298	Bcl-2 family	Family
A, B	IPR020717	Apoptosis regulator, Bcl-2, BH1 motif, conserved site	Conserved Site
A, B	IPR013279	Apoptosis regulator, Bcl-X	Family
A, B	IPR020728	Apoptosis regulator, Bcl-2, BH3 motif, conserved site	Conserved Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	: Q07817	plasma cell myeloma liver disease myocardial infarction Liver Neoplasms, Experimental type 2 diabetes mellitus cryptorchidism follicular thyroid adenoma microcystic adenoma erectile dysfunction head and neck cancer hearing loss disorder adenoma papillary adenoma amyotrophic lateral sclerosis type 1 sarcomatoid carcinoma plasma cell myeloma liver disease myocardial infarction Liver Neoplasms, Experimental type 2 diabetes mellitus cryptorchidism follicular thyroid adenoma microcystic adenoma erectile dysfunction head and neck cancer hearing loss disorder adenoma papillary adenoma amyotrophic lateral sclerosis type 1 sarcomatoid carcinoma carcinoma malignant ependymoma chronic obstructive pulmonary disease malignant tumor of neck medulloblastoma gastric neoplasm head and neck neoplasm hematologic disease pancreatic intraductal papillary-mucinous neoplasm intestinal disease psoriasis B-cell chronic lymphocytic leukemia cancer MALT lymphoma glioblastoma myopathy acute myeloid leukemia hepatocellular carcinoma oligodendroglioma hereditary diffuse gastric adenocarcinoma pancreatic neoplasm intracerebral hemorrhage plasma cell neoplasm sarcoidosis lung benign neoplasm lymphatic system disease undifferentiated carcinoma malignant pancreatic neoplasm maturity-onset diabetes of the young gastric cancer myeloid neoplasm neoplasm of neck ovarian cancer large cell medulloblastoma prostate disease atypical teratoid rhabdoid tumor breast disease lung disease toxic encephalopathy