Annotations: 9EIU

Crystal structure of the human Cavin1 HR1 TS/DD mutant domain bound to nanobody B7

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	WD40	e9eiuB1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: WD40	ECOD (v294.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B	Heavy Chain	IGHV1	-	caveolae-associated protein 1	SAbDab (2026-06-12)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Nanobody B7	-	-	-
A	Caveolae-associated protein 1	RNA binding rRNA primary transcript binding binding rRNA binding nucleic acid binding identical protein binding protein binding	RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process DNA-templated transcription termination nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process biosynthetic process transcription by RNA polymerase I metabolic process RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process DNA-templated transcription termination nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process biosynthetic process transcription by RNA polymerase I metabolic process cellular process macromolecule metabolic process termination of RNA polymerase I transcription rRNA transcription rRNA metabolic process establishment of protein localization transport secretion establishment of protein localization to extracellular region export from cell protein secretion establishment of localization protein localization to extracellular region localization secretion by cell protein transport macromolecule localization intracellular protein localization positive regulation of locomotion regulation of biological process regulation of cellular process regulation of cell motility biological regulation positive regulation of biological process regulation of locomotion positive regulation of cell motility cell motility positive regulation of cellular process locomotion DNA-templated transcription initiation transcription initiation at RNA polymerase I promoter	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle cytosol membrane microdomain cell periphery membrane raft plasma membrane raft membrane membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle cytosol membrane microdomain cell periphery membrane raft plasma membrane raft membrane plasma membrane plasma membrane region caveola nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen protein-containing complex endoplasmic reticulum endomembrane system

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR026752	Cavin family	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: Q6NZI2	congenital generalized lipodystrophy type 4 methylmalonic acidemia congenital generalized lipodystrophy psoriasis Weight Gain lipodystrophy Crohn disease ulcerative colitis malignant ependymoma ovarian cancer acquired metabolic disease pancreatic intraductal papillary-mucinous neoplasm breast carcinoma diabetes mellitus glioblastoma congenital generalized lipodystrophy type 4 methylmalonic acidemia congenital generalized lipodystrophy psoriasis Weight Gain lipodystrophy Crohn disease ulcerative colitis malignant ependymoma ovarian cancer acquired metabolic disease pancreatic intraductal papillary-mucinous neoplasm breast carcinoma diabetes mellitus glioblastoma lung carcinoma malignant glioma malignant pancreatic neoplasm non-small cell lung carcinoma pancreatic ductal adenocarcinoma atypical teratoid rhabdoid tumor pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia breast fibroadenoma transitional cell carcinoma ductal breast carcinoma in situ inflammatory bowel disease lung adenocarcinoma malignant colon neoplasm malignant mesothelioma medulloblastoma osteosarcoma pancreatic intraductal papillary-mucinous carcinoma breast cancer Pick disease cutaneous lupus erythematosus gastric carcinoma invasive ductal breast carcinoma lung cancer

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.