1RTA	Hydrolase Dna	date	Aug 28, 1992
title	Crystal Structure Disposition Of Thymidylic Acid Tetramer In Complex With Ribonuclease A
authors	D.L.Birdsall, A.Mcpherson
compound		source
Molecule: Dna (5'-D(Tptptpt)-3') Chain: C Engineered: Yes		Synthetic: Yes
Molecule: Protein (Ribonuclease A (E.C.3.1.27.5)) Chain: E Ec: 3.1.27.5		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Pancreas Secretion: Milk
symmetry	Space Group: P 21 21 21	R_factor 0.235 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 44.900 75.000 43.600 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand		enzyme	Hydrolase E.C.3.1.27.5 BRENDA
note	1RTA (Molecule of the Month:pdb105)
related structures	by homologous chain: 1RBJ, 1RTB
Gene Ontology	Chain Function Process Component E ribonuclease A activity
Primary reference	Crystal structure disposition of thymidylic acid tetramer in complex with ribonuclease A., Birdsall DL, McPherson A, J Biol Chem 1992 Nov 5;267(31):22230-6. PMID:1429575

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (24 Kb) [Save to disk] Biological Unit Coordinates (1rta.pdb1.gz) 20 Kb CSU: Contacts of Structural Units for 1RTA Likely Quarternary Molecular Structure file(s) for 1RTA Structure Factors (31 Kb) Retrieve 1RTA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1RTA from S2C, [Save to disk] Re-refined 1rta structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1RTA 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 1RTA

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 1RTA, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1rtae_, region E [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: [1rta_C] [1rta] [1rta_E] SWISS-PROT database: [P61823] Domain organization of [RNAS1_BOVIN] by SWISSPFAM Domain found in 1RTA: [RNAse_Pc ] by SMART

Other resources with information on 1RTA

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

Movements, Movies and Images

Domain movements in 1RTA from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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