1B8M	Growth Factor Neurotrophin-4	date	Feb 01, 1999
title	Brain Derived Neurotrophic Factor, Neurotrophin-4
authors	R.C.Robinson, C.Radziejewski, D.I.Stuart, E.Y.Jones, S.Choe
compound		source
Molecule: Protein (Brain Derived Neurotrophic Factor) Chain: A Synonym: Bdnf Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Other_details: Supplied By Regeneron Pharm.
Molecule: Protein (Neurotrophin-4) Chain: B Synonym: Nt4 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Other_details: Supplied By Regeneron Pharm.
symmetry	Space Group: P 21 21 2	R_factor 0.198 R_Free 0.279
crystal cell	length a length b length c angle alpha angle beta angle gamma 50.700 105.900 51.800 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.75 Å
related structures	by homologous chain: 1B98, 1BND, 1HCF
Gene Ontology	Chain Function Process Component A B
Primary reference	The structures of the neurotrophin 4 homodimer and the brain-derived neurotrophic factor/neurotrophin 4 heterodimer reveal a common Trk-binding site., Robinson RC, Radziejewski C, Spraggon G, Greenwald J, Kostura MR, Burtnick LD, Stuart DI, Choe S, Jones EY, Protein Sci 1999 Dec;8(12):2589-97. PMID:10631974

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (38 Kb) [Save to disk] Biological Unit Coordinates (1b8m.pdb1.gz) 34 Kb CSU: Contacts of Structural Units for 1B8M Likely Quarternary Molecular Structure file(s) for 1B8M Retrieve 1B8M in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1B8M from S2C, [Save to disk]

View 1B8M in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 1B8M

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1B8M, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1b8ma_, region A [Jmol] [rasmolscript] [script source]     - Domain d1b8mb_, region B [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1b8m_A] [1b8m] [1b8m_B] SWISS-PROT database: [P23560] [P34130] Domain organization of [BDNF_HUMAN] [NTF4_HUMAN] by SWISSPFAM Domain found in 1B8M: [NGF ] by SMART

Other resources with information on 1B8M

Community annotation for 1B8M at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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