3U1K	Transferase	date	Sep 30, 2011
title	Crystal Structure Of Human Pnpase
authors	C.L.Lin, H.S.Yuan
compound		source
Molecule: Polyribonucleotide Nucleotidyltransferase 1, Mito Chain: A, C, B, D Fragment: Unp Residues 46-669 Synonym: 3'-5' Rna Exonuclease Old35, Pnpase Old-35, Polynu Phosphorylase 1, Pnpase 1, Polynucleotide Phosphorylase-Lik Ec: 2.7.7.8 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Pnpt1 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Ripl Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28a
symmetry	Space Group: H 3	R_factor 0.180 R_Free 0.223
crystal cell	length a length b length c angle alpha angle beta angle gamma 289.753 289.753 92.785 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.13 Å
ligand	CIT	enzyme	Transferase E.C.2.7.7.8 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Crystal structure of human polynucleotide phosphorylase: insights into its domain function in RNA binding and degradation., Lin CL, Wang YT, Yang WZ, Hsiao YY, Yuan HS, Nucleic Acids Res. 2011 Dec 30. PMID:22210891

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (405 Kb) [Save to disk] Biological Unit Coordinates (3u1k.pdb1.gz) 302 Kb Biological Unit Coordinates (3u1k.pdb2.gz) 300 Kb LPC: Ligand-Protein Contacts for 3U1K CSU: Contacts of Structural Units for 3U1K Structure Factors (2400 Kb) Retrieve 3U1K in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3U1K from S2C, [Save to disk] Re-refined 3u1k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3U1K 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 3U1K

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 3U1K, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3u1k_A] [3u1k_B] [3u1k_C] [3u1k_D] [3u1k] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3U1K: [KH ] by SMART

Other resources with information on 3U1K

Community annotation for 3U1K at PDBWiki (http://pdbwiki.org)

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