1F9R

CRYSTAL STRUCTURE OF PLATELET FACTOR 4 MUTANT 1

Domain Annotation: SCOP Classification SCOP Database (version: 2.0) Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species
A	d1f9ra_	Alpha and beta proteins (a+b)	IL8-like	Interleukin 8-like chemokines	Interleukin 8-like chemokines	Platelet factor 4, PF4	human (Homo sapiens ) [TaxId: 9606 ]
B	d1f9rb_	Alpha and beta proteins (a+b)	IL8-like	Interleukin 8-like chemokines	Interleukin 8-like chemokines	Platelet factor 4, PF4	human (Homo sapiens ) [TaxId: 9606 ]
C	d1f9rc_	Alpha and beta proteins (a+b)	IL8-like	Interleukin 8-like chemokines	Interleukin 8-like chemokines	Platelet factor 4, PF4	human (Homo sapiens ) [TaxId: 9606 ]
D	d1f9rd_	Alpha and beta proteins (a+b)	IL8-like	Interleukin 8-like chemokines	Interleukin 8-like chemokines	Platelet factor 4, PF4	human (Homo sapiens ) [TaxId: 9606 ]

Domain Annotation: CATH CATH Database (version 4.2.0) Homepage

Chain	Domain	Class	Architecture	Topology	Homology
A	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)
B	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)
C	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)
D	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Identifier	Description	Comments	Source
A, B, C, D	PF00048	Small cytokines (intecrine/chemokine), interleukin-8 like (IL8)	Small cytokines (intecrine/chemokine), interleukin-8 like	Includes a number of secreted growth factors and interferons involved in mitogenic, chemotactic, and inflammatory activity. Structure contains two highly conserved disulfide bonds.	Domain

Gene Product Annotation Gene Product Annotation

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	PLATELET FACTOR 4	binding glycosaminoglycan binding heparin binding carbohydrate derivative binding sulfur compound binding	metabolic process biosynthetic process macromolecule biosynthetic process regulation of biosynthetic process negative regulation of biosynthetic process negative regulation of metabolic process regulation of macromolecule biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of macromolecule metabolic process regulation of metabolic process macromolecule metabolic process MHC class II biosynthetic process regulation of MHC class II biosynthetic process negative regulation of MHC class II biosynthetic process negative regulation of biological process regulation of biological process regulation of macromolecule metabolic process biological regulation organic substance metabolic process organic substance biosynthetic process positive regulation of metabolic process gene expression regulation of gene expression positive regulation of macromolecule metabolic process positive regulation of gene expression positive regulation of biological process cellular process macrophage derived foam cell differentiation regulation of macrophage derived foam cell differentiation positive regulation of macrophage derived foam cell differentiation cell differentiation developmental process regulation of cell differentiation positive regulation of cell differentiation positive regulation of cellular process cellular developmental process regulation of developmental process regulation of cellular process positive regulation of developmental process foam cell differentiation cell population proliferation regulation of cell population proliferation	external encapsulating structure extracellular matrix collagen-containing extracellular matrix cell periphery cellular anatomical entity intracellular anatomical structure cytoplasm extracellular region extracellular space endomembrane system secretory granule platelet alpha granule platelet alpha granule lumen cytoplasmic vesicle membrane-enclosed lumen vesicle vesicle lumen secretory granule lumen organelle membrane-bounded organelle organelle lumen cytoplasmic vesicle lumen intracellular vesicle secretory vesicle host cellular component symbiont-containing vacuole symbiont-containing vacuole membrane host cell cytoplasm host cell part host intracellular part host cell cytoplasm part extracellular organelle host intracellular region host cell extracellular membrane-bounded organelle

RCSB PDB is funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.