2QT9	Hydrolase	date	Aug 01, 2007
title	Human Dipeptidyl Peptidase Ivcd26 In Complex With A 4-Aryl Cyclohexylalanine Inhibitor
authors	G.Scapin
compound		source
Molecule: Dipeptidyl Peptidase 4 Chain: A, B Synonym: Dipeptidyl Peptidase Iv, Dpp Iv, T-Cell Activation Cd26, Tp103, Adenosine Deaminase Complexing Protein 2, Adab Ec: 3.4.14.5 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Dpp4, Adcp2, Cd26 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_strain: Hi5 Expression_system_vector_type: Baculovirus Expression_system_plasmid: Pbluebac4.5
symmetry	Space Group: P 21 21 21	R_factor 0.190 R_Free 0.229
crystal cell	length a length b length c angle alpha angle beta angle gamma 117.697 126.072 136.970 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	524, NA, NAG, NDG BindingDB	enzyme	Hydrolase E.C.3.4.14.5 BRENDA
Gene Ontology	Chain Function Process Component A, B virus receptor activity chemorepellent activity
Primary reference	4-arylcyclohexylalanine analogs as potent, selective, and orally active inhibitors of dipeptidyl peptidase IV., Kaelin DE, Smenton AL, Eiermann GJ, He H, Leiting B, Lyons KA, Patel RA, Patel SB, Petrov A, Scapin G, Wu JK, Thornberry NA, Weber AE, Duffy JL, Bioorg Med Chem Lett. 2007 Nov 1;17(21):5806-11. Epub 2007 Aug 26. PMID:17851076

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (275 Kb) [Save to disk] Biological Unit Coordinates (2qt9.pdb1.gz) 266 Kb LPC: Ligand-Protein Contacts for 2QT9 CSU: Contacts of Structural Units for 2QT9 Likely Quarternary Molecular Structure file(s) for 2QT9 Structure Factors (1028 Kb) Retrieve 2QT9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QT9 from S2C, [Save to disk] Re-refined 2qt9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QT9 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 2QT9

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 2QT9, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2qt9_B] [2qt9_A] [2qt9] SWISS-PROT database: [P27487] Domain organization of [DPP4_HUMAN] by SWISSPFAM

Other resources with information on 2QT9

Community annotation for 2QT9 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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