2P8S	Hydrolase	date	Mar 23, 2007
title	Human Dipeptidyl Peptidase Ivcd26 In Complex With A Cyclohe Inhibitor
authors	G.Scapin, T.Biftu
compound		source
Molecule: Dipeptidyl Peptidase Iv Soluble Form Chain: A, B Fragment: Extracellular Domain Synonym: Dpp Iv, T-Cell Activation Antigen Cd26, Tp103, Ade Deaminase Complexing Protein-2, Adabp; 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_cell_line: Hi5 Expression_system_vector_type: Baculovirus Expression_system_vector: Pbluebac4.5 Expression_system_plasmid: Pbluebac4.5
symmetry	Space Group: P 21 21 21	R_factor 0.186 R_Free 0.227
crystal cell	length a length b length c angle alpha angle beta angle gamma 118.139 126.174 137.340 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	417, NA, NAG 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	Rational design of a novel, potent, and orally bioavailable cyclohexylamine DPP-4 inhibitor by application of molecular modeling and X-ray crystallography of sitagliptin., Biftu T, Scapin G, Singh S, Feng D, Becker JW, Eiermann G, He H, Lyons K, Patel S, Petrov A, Sinha-Roy R, Zhang B, Wu J, Zhang X, Doss GA, Thornberry NA, Weber AE, Bioorg Med Chem Lett. 2007 Apr 2;. PMID:17433672

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (272 Kb) [Save to disk] Biological Unit Coordinates (2p8s.pdb1.gz) 263 Kb LPC: Ligand-Protein Contacts for 2P8S CSU: Contacts of Structural Units for 2P8S Likely Quarternary Molecular Structure file(s) for 2P8S Structure Factors (891 Kb) Retrieve 2P8S in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2P8S from S2C, [Save to disk] Re-refined 2p8s structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2P8S 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 2P8S

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 2P8S, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2p8s_B] [2p8s] [2p8s_A] SWISS-PROT database: [P27487] Domain organization of [DPP4_HUMAN] by SWISSPFAM

Other resources with information on 2P8S

Community annotation for 2P8S at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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