4RBW | pdb_00004rbw

Crystal structure of human alpha-defensin 5, HD5 (Thr7Arg Glu21Arg mutant)

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family 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)
A	Defensin_1	e4rbwA1	A: a/b three-layered sandwiches	X: jelly-roll	H: Acetamidase/Formamidase-like	T: Acetamidase/Formamidase-like	F: Defensin_1	ECOD (v294.1)
B	Defensin_1	e4rbwB1	A: a/b three-layered sandwiches	X: jelly-roll	H: Acetamidase/Formamidase-like	T: Acetamidase/Formamidase-like	F: Defensin_1	ECOD (v294.1)
C	Defensin_1	e4rbwC1	A: a/b three-layered sandwiches	X: jelly-roll	H: Acetamidase/Formamidase-like	T: Acetamidase/Formamidase-like	F: Defensin_1	ECOD (v294.1)
D	Defensin_1	e4rbwD1	A: a/b three-layered sandwiches	X: jelly-roll	H: Acetamidase/Formamidase-like	T: Acetamidase/Formamidase-like	F: Defensin_1	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00323	Mammalian defensin (Defensin_1)	Mammalian defensin		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Defensin-5	identical protein binding protein binding binding protein homodimerization activity protein dimerization activity pore-forming activity	biological regulation regulation of membrane permeability positive regulation of membrane permeability regulation of biological quality protein-containing complex organization protein homotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly protein homooligomerization cellular process biological regulation regulation of membrane permeability positive regulation of membrane permeability regulation of biological quality protein-containing complex organization protein homotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly protein homooligomerization cellular process cellular component organization or biogenesis humoral immune response biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response immune response antibacterial humoral response defense response to symbiont response to external stimulus antimicrobial humoral response response to biotic stimulus defense response to bacterium defense response to other organism response to stress immune system process response to bacterium response to external biotic stimulus innate immune response disruption of cellular anatomical structure in another organism disruption of anatomical structure in another organism disruption of plasma membrane integrity in another organism multicellular organismal process regulation of cellular process positive regulation of interleukin-8 production positive regulation of biological process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process cytokine production regulation of cytokine production positive regulation of macromolecule metabolic process regulation of multicellular organismal process positive regulation of cellular process regulation of biosynthetic process regulation of biological process interleukin-8 production regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression positive regulation of multicellular organismal process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process positive regulation of cytokine production regulation of metabolic process regulation of interleukin-8 production antimicrobial humoral immune response mediated by antimicrobial peptide defense response to fungus response to fungus disruption of cell in another organism killing of cells of another organism cell killing defense response to Gram-negative bacterium defense response to Gram-positive bacterium	midbody cellular anatomical structure membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle midbody cellular anatomical structure membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle transport vesicle Golgi apparatus membrane-enclosed lumen intracellular organelle lumen Golgi lumen organelle lumen extracellular region vesicle lumen cytoplasmic vesicle lumen secretory granule lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR016327	Alpha-defensin	Family
A, B, C, D	IPR006081	Alpha-defensin, C-terminal	Domain
A, B, C, D	IPR006080	Beta/alpha-defensin, C-terminal	Domain
A, B, C, D	IPR002366	Alpha-defensin, N-terminal	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	Pharos: Q01523	ulcerative colitis IgA glomerulonephritis Peutz-Jeghers syndrome Adenomatous Polyps malignant colon neoplasm inflammatory bowel disease Crohn disease lung cancer benign colon neoplasm colonic neoplasm

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.