1SJI	Metal Binding Protein	date	Mar 03, 2004
title	Comparing Skeletal And Cardiac Calsequestrin Structures And Calcium Binding: A Proposed Mechanism For Coupled Calcium B Protein Polymerization
authors	H.J.Park, I.Y.Park, E.J.Kim, B.Youn, K.Fields, A.K.Dunker, C.H.Kan
compound		source
Molecule: Calsequestrin, Cardiac Muscle Isoform Chain: A, B Synonym: Calsequestrin 2 Engineered: Yes		Organism_scientific: Canis Lupus Familiaris Organism_common: Dog Organism_taxid: 9615 Strain: Familiaris Gene: Casq2 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Ptyb1
symmetry	Space Group: I 4	R_factor 0.192 R_Free 0.241
crystal cell	length a length b length c angle alpha angle beta angle gamma 145.188 145.188 99.820 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
related structures	by homologous chain: 1A8Y
Gene Ontology	Chain Function Process Component A, B
Primary reference	Comparing skeletal and cardiac calsequestrin structures and their calcium binding: a proposed mechanism for coupled calcium binding and protein polymerization., Park H, Park IY, Kim E, Youn B, Fields K, Dunker AK, Kang C, J Biol Chem 2004 Apr 23;279(17):18026-33. Epub 2004 Feb 10. PMID:14871888

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (121 Kb) [Save to disk] Biological Unit Coordinates (1sji.pdb1.gz) 116 Kb CSU: Contacts of Structural Units for 1SJI Likely Quarternary Molecular Structure file(s) for 1SJI Retrieve 1SJI in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SJI from S2C, [Save to disk]

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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 1SJI

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Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1SJI, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1sji] [1sji_A] [1sji_B] SWISS-PROT database: [P12637] Domain organization of [CASQ2_CANFA] by SWISSPFAM

Other resources with information on 1SJI

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

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