3KBT	Structural Protein	date	Oct 20, 2009
title	Crystal Structure Of The Ankyrin Binding Domain Of Human Ery Beta Spectrin (Repeats 13-15) In Complex With The Spectrin Domain Of Human Erythroid Ankyrin (Zu5-Ank)
authors	J.J.Ipsaro, A.Mondragon
compound		source
Molecule: Spectrin Beta Chain, Erythrocyte Chain: A, B Fragment: Unp Residues 1583-1906 Synonym: Beta-I Spectrin Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Sptb, Sptb1 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pmcsg7
Molecule: Ankyrin-1 Chain: C, D Fragment: Unp Residues 911-1068 Synonym: Erythrocyte Ankyrin, Ankyrin-R Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Ank, Ank1 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Er2566 Expression_system_vector_type: Plasmid Expression_system_plasmid: Picante
symmetry	Space Group: P 21 21 21	R_factor 0.245 R_Free 0.292
crystal cell	length a length b length c angle alpha angle beta angle gamma 90.450 95.660 137.930 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.75 Å
Primary reference	Structural basis for spectrin recognition by ankyrin., Ipsaro JJ, Mondragon A, Blood. 2010 May 20;115(20):4093-101. Epub 2010 Jan 25. PMID:20101027

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (145 Kb) [Save to disk] Biological Unit Coordinates (3kbt.pdb1.gz) 69 Kb Biological Unit Coordinates (3kbt.pdb2.gz) 71 Kb CSU: Contacts of Structural Units for 3KBT Structure Factors (527 Kb) Retrieve 3KBT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3KBT from S2C, [Save to disk] Re-refined 3kbt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3KBT 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 3KBT

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 3KBT, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3kbt] [3kbt_D] [3kbt_C] [3kbt_B] [3kbt_A] SWISS-PROT database: Domain organization of by SWISSPFAM Domains found in 3KBT: [SPEC] [ZU5 ] by SMART

Other resources with information on 3KBT

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

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