1UNN	Beta-Clamp	date	Sep 11, 2003
title	Complex Of Beta-Clamp Processivity Factor And Little Finger Poliv
authors	K.A.Bunting, S.M.Roe, L.H.Pearl
compound		source
Molecule: Dna Polymerase III Beta Subunit Chain: A, B Ec: 2.7.7.7 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: B834de3 Expression_system_plasmid: Pet17b
Molecule: Dna Polymerase Iv Chain: C, D Fragment: Little Finger, Residues 243-351 Synonym: Pol Iv Ec: 2.7.7.7 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: B834de3 Expression_system_plasmid: Pet11
symmetry	Space Group: P 21 21 2	R_factor 0.179 R_Free 0.240
crystal cell	length a length b length c angle alpha angle beta angle gamma 146.451 70.117 110.916 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	SO4	enzyme	Transferase E.C.2.7.7.7 BRENDA
related structures	by homologous chain: 1MMI, 2POL
Gene Ontology	Chain Function Process Component A, B 3'-5' exonuclease activity D, C
Primary reference	Structural basis for recruitment of translesion DNA polymerase Pol IV/DinB to the beta-clamp., Bunting KA, Roe SM, Pearl LH, EMBO J 2003 Nov 3;22(21):5883-92. PMID:14592985

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (175 Kb) [Save to disk] Biological Unit Coordinates (1unn.pdb1.gz) 167 Kb LPC: Ligand-Protein Contacts for 1UNN CSU: Contacts of Structural Units for 1UNN Likely Quarternary Molecular Structure file(s) for 1UNN Structure Factors (1191 Kb) Retrieve 1UNN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1UNN from S2C, [Save to disk] Re-refined 1unn structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1UNN 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 1UNN

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 1UNN, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1unna1, region A:1-122 [Jmol] [rasmolscript] [script source]     - Domain d1unna2, region A:123-244 [Jmol] [rasmolscript] [script source]     - Domain d1unna3, region A:245-366 [Jmol] [rasmolscript] [script source]     - Domain d1unnb1, region B:1-122 [Jmol] [rasmolscript] [script source]     - Domain d1unnb2, region B:123-244 [Jmol] [rasmolscript] [script source]     - Domain d1unnb3, region B:245-366 [Jmol] [rasmolscript] [script source]     - Domain d1unnc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1unnd_, region D [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: [1unn_B] [1unn] [1unn_A] [1unn_D] [1unn_C] SWISS-PROT database: [P0A988] [Q47155] Domain organization of [DPO3B_ECOLI] [DPO4_ECOLI] by SWISSPFAM Domain found in 1UNN: [POL3Bc ] by SMART

Other resources with information on 1UNN

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

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