2APQ	Hydrolase	date	Aug 16, 2005
title	Crystal Structure Of An Active Site Mutant Of Bovine Pancrea Ribonuclease A (H119a-Rnase A) With A 10-Glutamine Expansio C-Terminal Hinge-Loop.
authors	S.Sambashivan, Y.Liu, M.R.Sawaya, M.Gingery, D.Eisenberg
compound		source
Molecule: Ribonuclease Chain: A Synonym: Rnase 1, Rnase A Ec: 3.1.27.5 Engineered: Yes Mutation: Yes		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Gene: Rnase1, Rns1 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21-De3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet32b
symmetry	Space Group: P 32 2 1	R_factor 0.179 R_Free 0.215
crystal cell	length a length b length c angle alpha angle beta angle gamma 67.228 67.228 63.686 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	PO4	enzyme	Hydrolase E.C.3.1.27.5 BRENDA
Gene Ontology	Chain Function Process Component A ribonuclease A activity
Primary reference	Amyloid-like fibrils of ribonuclease A with three-dimensional domain-swapped and native-like structure., Sambashivan S, Liu Y, Sawaya MR, Gingery M, Eisenberg D, Nature 2005 Sep 8;437(7056):266-9. PMID:16148936

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (27 Kb) [Save to disk] Biological Unit Coordinates (2apq.pdb1.gz) 22 Kb LPC: Ligand-Protein Contacts for 2APQ CSU: Contacts of Structural Units for 2APQ Likely Quarternary Molecular Structure file(s) for 2APQ Structure Factors (164 Kb) Retrieve 2APQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2APQ from S2C, [Save to disk] Re-refined 2apq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2APQ 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 2APQ

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Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2APQ, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2apq_A] [2apq] SWISS-PROT database: [P61823] Domain organization of [RNAS1_BOVIN] by SWISSPFAM Domain found in 2APQ: [RNAse_Pc ] by SMART

Other resources with information on 2APQ

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

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