4CD2	Oxidoreductase	date	Mar 18, 1999
title	Ligand Induced Conformational Changes In The Crystal Structu Pneumocystis Carinii Dihydrofolate Reductase Complexes With And Nadp+
authors	V.Cody, N.Galitsky, D.Rak, J.R.Luft, W.Pangborn, S.F.Queener
compound		source
Molecule: Dihydrofolate Reductase Chain: A Synonym: Pcdhfr Ec: 1.5.1.3 Engineered: Yes		Organism_scientific: Pneumocystis Carinii Organism_taxid: 4754 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pt7-7 Expression_system_gene: C-Dna P.Carinii Dhfr
symmetry	Space Group: P 21 21 21	R_factor 0.176 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 38.048 61.510 85.665 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	FOL	enzyme	Oxidoreductase E.C.1.5.1.3 BRENDA
related structures	by homologous chain: 1E26, 2CD2
Gene Ontology	Chain Function Process Component A
Primary reference	Ligand-induced conformational changes in the crystal structures of Pneumocystis carinii dihydrofolate reductase complexes with folate and NADP+., Cody V, Galitsky N, Rak D, Luft JR, Pangborn W, Queener SF, Biochemistry 1999 Apr 6;38(14):4303-12. PMID:10194348

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (40 Kb) [Save to disk] Biological Unit Coordinates (4cd2.pdb1.gz) 35 Kb LPC: Ligand-Protein Contacts for 4CD2 CSU: Contacts of Structural Units for 4CD2 Likely Quarternary Molecular Structure file(s) for 4CD2 Retrieve 4CD2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4CD2 from S2C, [Save to disk]

View 4CD2 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 4CD2

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Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 4CD2, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d4cd2a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1d4cd2, region D:103-359,D:506-570 [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: [4cd2_A] [4cd2] SWISS-PROT database: [P16184] Domain organization of [DYR_PNECA] by SWISSPFAM

Other resources with information on 4CD2

Community annotation for 4CD2 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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