4CRX	Protein Dna	date	Apr 20, 1999
title	Asymmetric Dna-Bending In The Cre-Loxp Site-Specific Recombi Synapse
authors	F.Guo, D.N.Gopaul, G.D.Van Duyne
compound		source
Molecule: Dna (35 Nucleotide Cre Recognition Site) Chain: C, D Engineered: Yes		Synthetic: Yes
Molecule: Protein (Cre Recombinase) Chain: A, B Engineered: Yes Mutation: Yes		Organism_scientific: Enterobacteria Phage P1 Organism_taxid: 10678 Atcc: 25404-B1 Collection: 25404-B1 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_plasmid: Pet21a
symmetry	Space Group: C 2 2 21	R_factor 0.213 R_Free 0.251
crystal cell	length a length b length c angle alpha angle beta angle gamma 108.800 122.100 181.000 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
related structures	by homologous chain: 1F44, 1KBU
Gene Ontology	Chain Function Process Component A, B
Primary reference	Asymmetric DNA bending in the Cre-loxP site-specific recombination synapse., Guo F, Gopaul DN, Van Duyne GD, Proc Natl Acad Sci U S A 1999 Jun 22;96(13):7143-8. PMID:10377382

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (145 Kb) [Save to disk] Biological Unit Coordinates (4crx.pdb1.gz) 276 Kb CSU: Contacts of Structural Units for 4CRX Likely Quarternary Molecular Structure file(s) for 4CRX Structure Factors (427 Kb) Retrieve 4CRX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4CRX from S2C, [Save to disk] Re-refined 4crx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4CRX 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 4CRX

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 4CRX, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d4crxa2, region A:130-341 [Jmol] [rasmolscript] [script source]     - Domain d4crxa1, region A:20-129 [Jmol] [rasmolscript] [script source]     - Domain d4crxb2, region B:130-341 [Jmol] [rasmolscript] [script source]     - Domain d4crxb1, region B:20-129 [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: [4crx_C] [4crx_B] [4crx] [4crx_D] [4crx_A] SWISS-PROT database: [P06956] Domain organization of [RECR_BPP1] by SWISSPFAM

Other resources with information on 4CRX

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

Movements, Movies and Images

Domain movements in 4CRX from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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