2CRX	Hydrolase, Ligase Dna	date	Jun 19, 1998
title	Structure Of The Holliday Junction Intermediate In Cre-Loxp Site-Specific Recombination
authors	D.N.Gopaul, F.Guo, G.D.Vanduyne
compound		source
Molecule: Dna 35-Mer Chain: C, D Engineered: Yes		Synthetic: Yes
Molecule: Protein (Cre Recombinase) Chain: A, B Synonym: Cre-Hj2, Rgbpp1 Recombinase Engineered: 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 0.198 R_Free 0.268
crystal cell	length a length b length c angle alpha angle beta angle gamma 106.900 122.500 180.000 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
related structures	by homologous chain: 1DRG, 3CRX
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure of the Holliday junction intermediate in Cre-loxP site-specific recombination., Gopaul DN, Guo F, Van Duyne GD, EMBO J 1998 Jul 15;17(14):4175-87. PMID:9670032

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (140 Kb) [Save to disk] Biological Unit Coordinates (2crx.pdb1.gz) 267 Kb CSU: Contacts of Structural Units for 2CRX Likely Quarternary Molecular Structure file(s) for 2CRX Retrieve 2CRX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2CRX from S2C, [Save to disk]

View 2CRX 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 2CRX

Cartoon representation from PDB Cartoon Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 2CRX, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d2crxa2, region A:130-341 [Jmol] [rasmolscript] [script source]     - Domain d2crxa1, region A:19-129 [Jmol] [rasmolscript] [script source]     - Domain d2crxb2, region B:130-341 [Jmol] [rasmolscript] [script source]     - Domain d2crxb1, region B:19-129 [Jmol] [rasmolscript] [script source] Fold representative 2crx from FSSP and Dali (Families of Structurally Similar Proteins) 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: [2crx_D] [2crx] [2crx_B] [2crx_C] [2crx_A] SWISS-PROT database: [P06956] Domain organization of [RECR_BPP1] by SWISSPFAM

Other resources with information on 2CRX

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

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