3B4V	Hormone Regulator Complex	date	Oct 24, 2007
title	X-Ray Structure Of Activin In Complex With Fstl3
authors	T.B.Thompson
compound		source
Molecule: Inhibin Beta A Chain Chain: A, B, E, F Synonym: Activin Beta-A Chain, Erythroid Differentiation Pr Edf; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Strain: Hek293f Gene: Inhba Expression_system: Homo Sapiens Expression_system_taxid: 9606
Molecule: Follistatin-Like 3 Chain: C, D, G, H Synonym: Follistatin-Related Protein 3, Follistatin-Related Protein; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Strain: Hek293f Gene: Fstl3, Flrg Expression_system: Homo Sapiens Expression_system_taxid: 9606
symmetry	Space Group: P 1	R_factor 0.227 R_Free 0.279
crystal cell	length a length b length c angle alpha angle beta angle gamma 63.613 71.384 100.203 98.55 90.64 90.11
method	X-Ray Diffraction	resolution	2.48 Å
ligand	EDO, NAG, SO4	enzyme
Gene Ontology	Chain Function Process Component F, A, E, B H, C, D, G
Primary reference	The structure of FSTL3.activin A complex. Differential binding of N-terminal domains influences follistatin-type antagonist specificity., Stamler R, Keutmann HT, Sidis Y, Kattamuri C, Schneyer A, Thompson TB, J Biol Chem. 2008 Nov 21;283(47):32831-8. Epub 2008 Sep 2. PMID:18768470

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (204 Kb) [Save to disk] Biological Unit Coordinates (3b4v.pdb1.gz) 100 Kb Biological Unit Coordinates (3b4v.pdb2.gz) 99 Kb LPC: Ligand-Protein Contacts for 3B4V CSU: Contacts of Structural Units for 3B4V Likely Quarternary Molecular Structure file(s) for 3B4V Structure Factors (1026 Kb) Retrieve 3B4V in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3B4V from S2C, [Save to disk] Re-refined 3b4v structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3B4V 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 3B4V

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3B4V, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3b4v] [3b4v_D] [3b4v_B] [3b4v_E] [3b4v_A] [3b4v_C] [3b4v_F] [3b4v_G] [3b4v_H] SWISS-PROT database: [O95633] [P08476] Domain organization of [FSTL3_HUMAN] [INHBA_HUMAN] by SWISSPFAM Domains found in 3B4V: [FOLN] [KAZAL] [TGFB ] by SMART

Other resources with information on 3B4V

Community annotation for 3B4V at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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