2JUN | pdb_00002jun

Structure of the MID1 tandem B-boxes reveals an interaction reminiscent of intermolecular RING heterodimers

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	B-box zinc-binding domain	8033788	3001359	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	BBOX	e2junA3	A: few secondary structure elements	X: B-box zinc-binding domain-like	H: B-box zinc-binding domain (From Topology)	T: B-box zinc-binding domain	F: BBOX	ECOD (1.6)
A	zf-B_box	e2junA4	A: few secondary structure elements	X: B-box zinc-binding domain-like	H: B-box zinc-binding domain (From Topology)	T: B-box zinc-binding domain	F: zf-B_box	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.160.60	Alpha Beta	2-Layer Sandwich	Double Stranded RNA Binding Domain	Classic Zinc Finger	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF22586	ANCHR-like B-box zinc-binding domain (ANCHR-like_BBOX)	ANCHR-like B-box zinc-binding domain	This entry represents a B-box domain found in ANCHR, ZFYV1 and TRIM proteins, which is characterised by C6H2 zinc-binding consensus motif [1-5].	Domain
A	PF00643	B-box zinc finger (zf-B_box)	B-box zinc finger		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Midline-1	phosphoprotein binding protein binding binding transferase activity catalytic activity cytoskeletal protein binding microtubule binding tubulin binding identical protein binding protein homodimerization activity protein dimerization activity ubiquitin protein ligase binding ubiquitin-like protein ligase binding enzyme binding phosphoprotein binding protein binding binding transferase activity catalytic activity cytoskeletal protein binding microtubule binding tubulin binding identical protein binding protein homodimerization activity protein dimerization activity ubiquitin protein ligase binding ubiquitin-like protein ligase binding enzyme binding cation binding transition metal ion binding zinc ion binding ion binding metal ion 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 regulation of cellular response to stress positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus stress-activated MAPK cascade cellular response to stress regulation of intracellular signal transduction cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus signaling regulation of cellular response to stress positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus stress-activated MAPK cascade cellular response to stress regulation of intracellular signal transduction response to stress regulation of response to stress intracellular signaling cassette signal transduction positive regulation of stress-activated protein kinase signaling cascade positive regulation of cellular process regulation of biological process regulation of signaling positive regulation of stress-activated MAPK cascade positive regulation of MAPK cascade biological regulation regulation of stress-activated protein kinase signaling cascade positive regulation of intracellular signal transduction regulation of MAPK cascade regulation of stress-activated MAPK cascade stress-activated protein kinase signaling cascade regulation of response to stimulus MAPK cascade regulation of cell communication cellular process positive regulation of signaling developmental process multicellular organism development multicellular organismal process anatomical structure development pattern specification process regulation of cytoskeleton organization regulation of cellular component organization microtubule cytoskeleton organization regulation of microtubule-based process regulation of organelle organization cellular component organization organelle organization microtubule-based process cellular component organization or biogenesis regulation of microtubule cytoskeleton organization cytoskeleton organization protein localization to microtubule cytoskeleton protein localization to microtubule localization protein localization to cytoskeleton protein localization to organelle macromolecule localization intracellular protein localization regulation of microtubule polymerization or depolymerization negative regulation of microtubule depolymerization negative regulation of biological process protein-containing complex disassembly regulation of protein-containing complex disassembly microtubule polymerization or depolymerization regulation of microtubule depolymerization negative regulation of protein-containing complex disassembly negative regulation of cellular process negative regulation of supramolecular fiber organization cellular component disassembly negative regulation of cellular component organization negative regulation of microtubule polymerization or depolymerization protein-containing complex organization regulation of protein depolymerization negative regulation of cytoskeleton organization negative regulation of protein depolymerization negative regulation of organelle organization microtubule depolymerization regulation of supramolecular fiber organization supramolecular fiber organization protein depolymerization	intracellular anatomical structure intracellular membraneless organelle intracellular organelle centrosome microtubule organizing center cellular anatomical structure cytoskeleton centriolar satellite organelle membraneless organelle microtubule cytoskeleton cytoplasm cytosol membrane-bounded organelle intracellular anatomical structure intracellular membraneless organelle intracellular organelle centrosome microtubule organizing center cellular anatomical structure cytoskeleton centriolar satellite organelle membraneless organelle microtubule cytoskeleton cytoplasm cytosol membrane-bounded organelle Golgi apparatus intracellular membrane-bounded organelle endomembrane system spindle protein-containing complex microtubule associated complex polymeric cytoskeletal fiber supramolecular fiber microtubule supramolecular polymer supramolecular complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR027727	Midline-1, B-box-type 2 zinc finger	Domain
A	IPR013320	Concanavalin A-like lectin/glucanase domain superfamily	Homologous Superfamily
A	IPR017903	COS domain	Domain
A	IPR050617	E3 ubiquitin-protein ligases and FN3/SPRY domain-containing proteins	Family
A	IPR043136	B30.2/SPRY domain superfamily	Homologous Superfamily
A	IPR003877	SPRY domain	Domain
A	IPR017907	Zinc finger, RING-type, conserved site	Conserved Site
A	IPR000315	B-box-type zinc finger	Domain
A	IPR001870	B30.2/SPRY domain	Domain
A	IPR003961	Fibronectin type III	Domain
A	IPR047095	Midline-1, B-box-type 1 zinc finger	Domain
A	IPR027370	Zinc finger, RING-type, eukaryotic	Domain
A	IPR013083	Zinc finger, RING/FYVE/PHD-type	Homologous Superfamily
A	IPR003879	Butyrophylin-like, SPRY domain	Domain
A	IPR040859	Midline-1, COS domain	Domain
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR003649	B-box, C-terminal	Domain
A	IPR001841	Zinc finger, RING-type	Domain
A	IPR036116	Fibronectin type III superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: O15344	Opitz G/BBB syndrome X-linked Opitz G/BBB syndrome Opitz GBBB Syndrome, X-Linked astrocytic tumor breast carcinoma ductal breast carcinoma in situ intellectual disability medulloblastoma osteosarcoma atypical teratoid rhabdoid tumor chronic kidney disease invasive ductal breast carcinoma ovarian cancer breast cancer glioblastoma Opitz G/BBB syndrome X-linked Opitz G/BBB syndrome Opitz GBBB Syndrome, X-Linked astrocytic tumor breast carcinoma ductal breast carcinoma in situ intellectual disability medulloblastoma osteosarcoma atypical teratoid rhabdoid tumor chronic kidney disease invasive ductal breast carcinoma ovarian cancer breast cancer glioblastoma malignant mesothelioma Pick disease

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.