2I03	Hydrolase	date	Aug 09, 2006
title	Crystal Structure Of Human Dipeptidyl Peptidase 4 (Dpp Iv) W Alkynyl Cyanopyrrolidine (Abt-279)
authors	K.L.Longenecker, D.J.Madar
compound		source
Molecule: Dipeptidyl Peptidase 4 Chain: A, B, C, D Synonym: Dipeptidyl Peptidase Iv, Dpp Iv, T-Cell Activation Cd26, Tp103, Adenosine Deaminase Complexing Protein 2, Adab Ec: 3.4.14.5 Engineered: 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
symmetry	Space Group: P 1 21 1	R_factor 0.179 R_Free 0.245
crystal cell	length a length b length c angle alpha angle beta angle gamma 120.252 126.994 127.257 90.00 96.56 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	AXD	enzyme	Hydrolase E.C.3.4.14.5 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B virus receptor activity chemorepellent activity
Primary reference	Discovery of 2-[4-{{2-(2S,5R)-2-cyano-5-ethynyl-1-pyrrolidinyl]-2-oxoethyl]amino]- 4-methyl-1-piperidinyl]-4-pyridinecarboxylic acid (ABT-279): a very potent, selective, effective, and well-tolerated inhibitor of dipeptidyl peptidase-IV, useful for the treatment of diabetes., Madar DJ, Kopecka H, Pireh D, Yong H, Pei Z, Li X, Wiedeman PE, Djuric SW, Von Geldern TW, Fickes MG, Bhagavatula L, McDermott T, Wittenberger S, Richards SJ, Longenecker KL, Stewart KD, Lubben TH, Ballaron SJ, Stashko MA, Long MA, Wells H, Zinker BA, Mika AK, Beno DW, Kempf-Grote AJ, Polakowski J, Segreti J, Reinhart GA, Fryer RM, Sham HL, Trevillyan JM, J Med Chem. 2006 Oct 19;49(21):6416-20. PMID:17034148

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (546 Kb) [Save to disk] Biological Unit Coordinates (2i03.pdb1.gz) 278 Kb Biological Unit Coordinates (2i03.pdb2.gz) 271 Kb LPC: Ligand-Protein Contacts for 2I03 CSU: Contacts of Structural Units for 2I03 Likely Quarternary Molecular Structure file(s) for 2I03 Structure Factors (1219 Kb) Retrieve 2I03 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2I03 from S2C, [Save to disk] Re-refined 2i03 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2I03 in 3D

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Visual 3D analysis of 2I03

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 2I03, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2i03_C] [2i03_D] [2i03_B] [2i03] [2i03_A] SWISS-PROT database: [P27487] Domain organization of [DPP4_HUMAN] by SWISSPFAM

Other resources with information on 2I03

Community annotation for 2I03 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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