1SX5	Hydrolase Dna	date	Mar 30, 2004
title	K38a Ecorv Bound To Cleaved Dna And Mn2+: P1 Crystal Form
authors	N.C.Horton, J.J.Perona
compound		source
Molecule: 5'-D(Apapapgpapt)-3' Chain: C, E Engineered: Yes		Synthetic: Yes
Molecule: 5'-D(Paptpcptpt)-3' Chain: D, F Engineered: Yes		Synthetic: Yes
Molecule: Type II Restriction Enzyme Ecorv Chain: A, B Synonym: Endonuclease Ecorv, R.Ecorv Ec: 3.1.21.4 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Ecorvr Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Mm294 (Endi-, Pro-, Thi-, Rk-Mk+) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pbsrv
symmetry	Space Group: P 1	R_factor 0.214 R_Free 0.254
crystal cell	length a length b length c angle alpha angle beta angle gamma 47.708 48.627 63.544 96.68 108.94 107.33
method	X-Ray Diffraction	resolution	1.50 Å
ligand	MN	enzyme	Hydrolase E.C.3.1.21.4 BRENDA
note	1SX5 is a representative structure
related structures	by homologous chain: 1EON
Gene Ontology	Chain Function Process Component A, B nuclease activity endonuclease activity
Primary reference	DNA Cleavage by EcoRV Endonuclease: Two Metal Ions in Three Metal Ion Binding Sites., Horton NC, Perona JJ, Biochemistry 2004 Jun 8;43(22):6841-57. PMID:15170321

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (98 Kb) [Save to disk] Biological Unit Coordinates (1sx5.pdb1.gz) 92 Kb LPC: Ligand-Protein Contacts for 1SX5 CSU: Contacts of Structural Units for 1SX5 Likely Quarternary Molecular Structure file(s) for 1SX5 Retrieve 1SX5 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SX5 from S2C, [Save to disk]

View 1SX5 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 1SX5

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1SX5 1SX5A 1SX5B 1SX5C 1SX5D 1SX5E 1SX5F from the CEP Server. Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1SX5, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1sx5a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1sx5b_, region B [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: [1sx5_F] [1sx5_B] [1sx5_E] [1sx5_C] [1sx5_D] [1sx5_A] [1sx5] SWISS-PROT database: [P04390] Domain organization of [T2E5_ECOLX] by SWISSPFAM

Other resources with information on 1SX5

Community annotation for 1SX5 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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