2QCB	Biotin Binding Protein	date	Jun 19, 2007
title	T7-Tagged Full-Length Streptavidin Complexed With Ruthenium
authors	I.Le Trong, M.Creus, A.Pordea, T.R.Ward, R.E.Stenkamp
compound		source
Molecule: Streptavidin Chain: A Engineered: Yes Mutation: Yes		Organism_scientific: Streptomyces Avidinii Organism_taxid: 1895 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pet11b
symmetry	Space Group: I 41 2 2	R_factor 0.168 R_Free 0.187
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.651 57.651 183.823 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.65 Å
ligand	KYS	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	X-ray structure and designed evolution of an artificial transfer hydrogenase., Creus M, Pordea A, Rossel T, Sardo A, Letondor C, Ivanova A, Letrong I, Stenkamp RE, Ward TR, Angew Chem Int Ed Engl. 2008;47(8):1400-4. PMID:18176932

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk] Biological Unit Coordinates (2qcb.pdb1.gz) 168 Kb LPC: Ligand-Protein Contacts for 2QCB CSU: Contacts of Structural Units for 2QCB Likely Quarternary Molecular Structure file(s) for 2QCB Structure Factors (142 Kb) Retrieve 2QCB in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QCB from S2C, [Save to disk] Re-refined 2qcb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QCB 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 2QCB

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 2QCB, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2qcb_A] [2qcb] SWISS-PROT database: [P22629] Domain organization of [SAV_STRAV] by SWISSPFAM

Other resources with information on 2QCB

Community annotation for 2QCB at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---