2BEP	Ligase	date	Nov 29, 2004
title	Crystal Structure Of Ubiquitin Conjugating Enzyme E2-25k
authors	A.Pichler, P.Knipscheer, E.Oberhofer, W.J.Van Dijk, R.Korner, J.V Olsen, S.Jentsch, F.Melchior, T.K.Sixma
compound		source
Molecule: Ubiquitin-Conjugating Enzyme E2-25 Kda Chain: A Fragment: Conserved Core Domain, Residues 1-155 Synonym: Ubiquitin-Protein Ligase, Ubiquitin Carrier Protei E2(25k), Huntingtin Interacting Protein 2, Hip-2, E2-25k; Ec: 6.3.2.19 Engineered: Yes		Organism_scientific: Bos Taurus Organism_common: Bovine Organism_taxid: 9913 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector: Petm30
symmetry	Space Group: P 21 21 21	R_factor 0.167 R_Free 0.220
crystal cell	length a length b length c angle alpha angle beta angle gamma 38.256 68.153 78.262 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	BME	enzyme	Ligase E.C.6.3.2.19 BRENDA
related structures	by homologous chain: 2BF8
Primary reference	SUMO modification of the ubiquitin-conjugating enzyme E2-25K., Pichler A, Knipscheer P, Oberhofer E, van Dijk WJ, Korner R, Olsen JV, Jentsch S, Melchior F, Sixma TK, Nat Struct Mol Biol. 2005 Mar;12(3):264-9. Epub 2005 Feb 20. PMID:15723079

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (36 Kb) [Save to disk] Biological Unit Coordinates (2bep.pdb1.gz) 31 Kb LPC: Ligand-Protein Contacts for 2BEP CSU: Contacts of Structural Units for 2BEP Likely Quarternary Molecular Structure file(s) for 2BEP Structure Factors (147 Kb) Retrieve 2BEP in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2BEP from S2C, [Save to disk] Re-refined 2bep structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2BEP 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 2BEP

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 2BEP, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2bep_A] [2bep] SWISS-PROT database: [P61085] Domain organization of [UBE2K_BOVIN] by SWISSPFAM Domain found in 2BEP: [UBCc ] by SMART

Other resources with information on 2BEP

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

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