1B9A	Calcium Binding Protein	date	Feb 10, 1999
title	Parvalbumin (Mutation;D51a, F102w)
authors	M.S.Cates, M.B.Berry, E.L.Ho, Q.Li, J.D.Potter, G.N.Phillips Jr.
compound		source
Molecule: Protein (Parvalbumin) Chain: A Engineered: Yes Mutation: Yes		Organism_scientific: Cyprinus Carpio Organism_common: Common Carp Organism_taxid: 7962 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 65 2 2	R_factor 0.210 R_Free 0.290
crystal cell	length a length b length c angle alpha angle beta angle gamma 33.424 33.424 298.186 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	CA	enzyme
related structures	by homologous chain: 1B8C, 3PAL
Gene Ontology	Chain Function Process Component A
Primary reference	Metal-ion affinity and specificity in EF-hand proteins: coordination geometry and domain plasticity in parvalbumin., Cates MS, Berry MB, Ho EL, Li Q, Potter JD, Phillips GN Jr, Structure Fold Des 1999 Oct 15;7(10):1269-78. PMID:10545326

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (25 Kb) [Save to disk] Biological Unit Coordinates (1b9a.pdb1.gz) 20 Kb LPC: Ligand-Protein Contacts for 1B9A CSU: Contacts of Structural Units for 1B9A Likely Quarternary Molecular Structure file(s) for 1B9A Structure Factors (56 Kb) Retrieve 1B9A in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1B9A from S2C, [Save to disk] Re-refined 1b9a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1B9A 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 1B9A

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1B9A, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1b9aa_, region A [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: [1b9a] [1b9a_A] SWISS-PROT database: [P02618] Domain organization of [PRVB_CYPCA] by SWISSPFAM Domain found in 1B9A: [EFh ] by SMART

Other resources with information on 1B9A

Community annotation for 1B9A at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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Images from IMB Jena Image Library of Biological Macromolecules.

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