1PXI	Transferase	date	Jul 04, 2003
title	Human Cyclin Dependent Kinase 2 Complexed With The Inhibitor Dichloro-Thiophen-3-Yl)-Pyrimidin-2-Ylamine
authors	S.Y.Wu, I.Mcnae, G.Kontopidis, S.J.Mcclue, C.Mcinnes, K.J.Stewart D.I.Zheleva, H.Marriage, D.P.Lane, P.Taylor, P.M.Fischer, M.D.Wa
compound		source
Molecule: Cell Division Protein Kinase 2 Chain: A Synonym: P33 Protein Kinase Ec: 2.7.1.- Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Cdk2 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_strain: Hi5 Expression_system_vector_type: Baculovirus
symmetry	Space Group: P 21 21 21	R_factor 0.203 R_Free 0.251
crystal cell	length a length b length c angle alpha angle beta angle gamma 53.499 71.404 72.356 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.95 Å
ligand	CK1	enzyme	Transferase E.C.2.7.1 BRENDA
related structures	by homologous chain: 1E1V, 1PW2
Gene Ontology	Chain Function Process Component A
Primary reference	Discovery of a novel family of CDK inhibitors with the program LIDAEUS: structural basis for ligand-induced disordering of the activation loop., Wu SY, McNae I, Kontopidis G, McClue SJ, McInnes C, Stewart KJ, Wang S, Zheleva DI, Marriage H, Lane DP, Taylor P, Fischer PM, Walkinshaw MD, Structure (Camb) 2003 Apr;11(4):399-410. PMID:12679018

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (57 Kb) [Save to disk] Biological Unit Coordinates (1pxi.pdb1.gz) 52 Kb LPC: Ligand-Protein Contacts for 1PXI CSU: Contacts of Structural Units for 1PXI Likely Quarternary Molecular Structure file(s) for 1PXI Structure Factors (152 Kb) Retrieve 1PXI in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1PXI from S2C, [Save to disk] Re-refined 1pxi structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1PXI 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 1PXI

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 1PXI, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1pxia_, region A [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1pxi_A] [1pxi] SWISS-PROT database: [P24941] Domain organization of [CDK2_HUMAN] by SWISSPFAM Domain found in 1PXI: [S_TKc ] by SMART

Other resources with information on 1PXI

Community annotation for 1PXI at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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