Structure and stability effects of mutations designed to increase the primary sequence symmetry within the core                      region of a beta-trefoil.

Brych, S.R., Blaber, S.I., Logan, T.M., Blaber, M.

doi:10.1110/ps.ps.34701

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Human Acidic Fibroblast Growth Factor. 141 Amino Acid Form with Amino Terminal His Tag.

Annotation data related to this entry.

1JQZ

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Domain Annotation: SCOP Classification (version 1.75)

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Domain Info	Class	Fold	Superfamily	Family	Domain	Species
d1jqza_	All beta proteins	beta-Trefoil	Cytokine	Fibroblast growth factors (FGF)	Acidic FGF (FGF1)	Human (Homo sapiens) [TaxId: 9606]
d1jqzb_	All beta proteins	beta-Trefoil	Cytokine	Fibroblast growth factors (FGF)	Acidic FGF (FGF1)	Human (Homo sapiens) [TaxId: 9606]

Domain Annotation: CATH Classification (version 3.5.0)

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Domain	Class	Architecture	Topology	Homology
1jqzA00	Mainly Beta	Trefoil	Trefoil (Acidic Fibroblast Growth Factor, subunit A)
1jqzB00	Mainly Beta	Trefoil	Trefoil (Acidic Fibroblast Growth Factor, subunit A)

Protein Family Annotation: Pfam Classification

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Chain	Pfam Accession	Pfam Family Identifier	Pfam Description	Type	Comment
A	PF00167	FGF	Fibroblast growth factor	Domain	Fibroblast growth factors are a family of proteins involved in growth and differentiation in a wide range of contexts. They are found in a wide range of organisms, from nematodes to humans [2]. Most share an internal core region of high similarity, conserved residues in which are involved in binding with their receptors. On binding, they cause dimerisation of their tyrosine kinase receptors leading to intracellular signalling. There are currently four known tyrosine kinase receptors for fibroblast growth factors. These receptors can each bind several different members of this family. Members of this family have a beta trefoil structure. Most have N-terminal signal peptides and are secreted. A few lack signal sequences but are secreted anyway; still others also lack the signal peptide but are found on the cell surface and within the extracellular matrix. A third group remain intracellular [2]. They have central roles in development, regulating cell proliferation, migration and differentiation. On the other hand, they are important in tissue repair following injury in adult organisms [2]. Source: Pfam

Gene Product Annotation: GO Terms

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Polymer	Molecular Function	Biological Process	Cellular Component
acidic fibroblast growth factor (1JQZ:A,B)	receptor binding fibroblast growth factor receptor binding protein binding growth factor activity heparin binding Hsp70 protein binding S100 protein binding	angiogenesis organ induction positive regulation of protein phosphorylation signal transduction epidermal growth factor receptor signaling pathway multicellular organismal development positive regulation of cell proliferation insulin receptor signaling pathway fibroblast growth factor receptor signaling pathway anatomical structure morphogenesis cell differentiation lung development positive regulation of cell migration cellular response to heat Fc-epsilon receptor signaling pathway positive regulation of MAP kinase activity innate immune response positive regulation of cholesterol biosynthetic process positive regulation of angiogenesis positive regulation of transcription from RNA polymerase II promoter neurotrophin TRK receptor signaling pathway phosphatidylinositol-mediated signaling positive regulation of epithelial cell proliferation positive regulation of cell division branch elongation involved in ureteric bud branching positive regulation of ERK1 and ERK2 cascade mesonephric epithelium development positive regulation of intracellular signal transduction regulation of endothelial cell chemotaxis to fibroblast growth factor	extracellular region proteinaceous extracellular matrix extracellular space nucleus nucleoplasm nucleolus cytoplasm cytosol cell cortex

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