2QBQ	Hydrolase	date	Jun 18, 2007
title	Crystal Structure Of Ptp1b-Inhibitor Complex
authors	W.Xu
compound		source
Molecule: Tyrosine-Protein Phosphatase Non-Receptor Type 1 Chain: A Fragment: Tyrosine-Protein Phosphatase Domain, Catalytic Do Synonym: Protein-Tyrosine Phosphatase 1b, Ptp-1b Ec: 3.1.3.48 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Ptpn1, Ptp1b Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 31 2 1	R_factor 0.194 R_Free 0.226
crystal cell	length a length b length c angle alpha angle beta angle gamma 88.345 88.345 104.210 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	4B3 BindingDB	enzyme	Hydrolase E.C.3.1.3.48 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Structure-based optimization of protein tyrosine phosphatase 1B inhibitors: from the active site to the second phosphotyrosine binding site., Wilson DP, Wan ZK, Xu WX, Kirincich SJ, Follows BC, Joseph-McCarthy D, Foreman K, Moretto A, Wu J, Zhu M, Binnun E, Zhang YL, Tam M, Erbe DV, Tobin J, Xu X, Leung L, Shilling A, Tam SY, Mansour TS, Lee J, J Med Chem. 2007 Sep 20;50(19):4681-98. Epub 2007 Aug 17. PMID:17705360

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (58 Kb) [Save to disk] Biological Unit Coordinates (2qbq.pdb1.gz) 54 Kb LPC: Ligand-Protein Contacts for 2QBQ CSU: Contacts of Structural Units for 2QBQ Likely Quarternary Molecular Structure file(s) for 2QBQ Structure Factors (171 Kb) Retrieve 2QBQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QBQ from S2C, [Save to disk] Re-refined 2qbq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QBQ 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 2QBQ

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 2QBQ, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2qbq_A] [2qbq] SWISS-PROT database: [P18031] Domain organization of [PTN1_HUMAN] by SWISSPFAM Domains found in 2QBQ: [PTPc] [PTPc_DSPc ] by SMART

Other resources with information on 2QBQ

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

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