2QMT	Immune System	date	Jul 16, 2007
title	Crystal Polymorphism Of Protein Gb1 Examined By Solid-State Ray Diffraction
authors	H.L.Frericks Schmidt, L.J.Sperling, Y.G.Gao, B.J.Wylie, J.M.Boet S.R.Wilson, C.M.Rienstra
compound		source
Molecule: Immunoglobulin G-Binding Protein G Chain: A Fragment: Immunoglobulin Beta 1 Binding Domain (Residues 30 Synonym: Igg-Binding Protein G Engineered: Yes Mutation: Yes		Organism_scientific: Staphylococcus Aureus Organism_taxid: 1280 Gene: Spg Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Other_details: Synthesized Plasmid, Prepared According To S Withka, J., And Regan, L. Biochemistry 1994, 33, 5510-5517, Expressing Protein Identical In Sequence And Structure To T Beta 1 Binding Domain Of Protein G Of Streptococcus Areus
symmetry	Space Group: P 32 2 1	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 35.730 35.730 75.600 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.05 Å
ligand	IPA, MRD, PO4	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal Polymorphism of Protein GB1 Examined by Solid-State NMR Spectroscopy and X-ray Diffraction., Schmidt HL, Sperling LJ, Gao YG, Wylie BJ, Boettcher JM, Wilson SR, Rienstra CM, J Phys Chem B. 2007 Dec 27;111(51):14362-14369. Epub 2007 Dec 4. PMID:18052145

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (16 Kb) [Save to disk] Biological Unit Coordinates (2qmt.pdb1.gz) 12 Kb LPC: Ligand-Protein Contacts for 2QMT CSU: Contacts of Structural Units for 2QMT Likely Quarternary Molecular Structure file(s) for 2QMT Structure Factors (178 Kb) Retrieve 2QMT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QMT from S2C, [Save to disk] Re-refined 2qmt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QMT 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 2QMT

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 2QMT, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2qmt] [2qmt_A] SWISS-PROT database: [P19909] Domain organization of [SPG2_STRSG] by SWISSPFAM

Other resources with information on 2QMT

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

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