1KLK	Oxidoreductase	date	Dec 12, 2001
title	Crystal Structure Of Pneumocystis Carinii Dihydrofolate Redu Ternary Complex With Pt653 And Nadph
authors	V.Cody, N.Galitsky, J.R.Luft, W.Pangborn, A.Rosowsky, S.F.Queener
compound		source
Molecule: Dihydrofolate Reductase Chain: A Ec: 1.5.1.3 Engineered: Yes		Organism_scientific: Pneumocystis Carinii Organism_taxid: 4754 Organ: Lung Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pt7-7
symmetry	Space Group: P 1 21 1	R_factor 0.196 R_Free 0.289
crystal cell	length a length b length c angle alpha angle beta angle gamma 36.836 43.138 59.319 90.00 95.03 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	NDP, PMD	enzyme	Oxidoreductase E.C.1.5.1.3 BRENDA
related structures	by homologous chain: 1DAJ, 3CD2
Gene Ontology	Chain Function Process Component A
Primary reference	Structure-based enzyme inhibitor design: modeling studies and crystal structure analysis of Pneumocystis carinii dihydrofolate reductase ternary complex with PT653 and NADPH., Cody V, Galitsky N, Luft JR, Pangborn W, Rosowsky A, Queener SF, Acta Crystallogr D Biol Crystallogr 2002 Jun;58(Pt 6 Pt 2):946-54. PMID:12037296

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (41 Kb) [Save to disk] Biological Unit Coordinates (1klk.pdb1.gz) 36 Kb LPC: Ligand-Protein Contacts for 1KLK CSU: Contacts of Structural Units for 1KLK Likely Quarternary Molecular Structure file(s) for 1KLK Retrieve 1KLK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KLK from S2C, [Save to disk]

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Visual 3D analysis of 1KLK

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Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1KLK, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1klka_, 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: [1klk] [1klk_A] SWISS-PROT database: [P16184] Domain organization of [DYR_PNECA] by SWISSPFAM

Other resources with information on 1KLK

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

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