1SRN	Hydrolase (Nucleic Acid,Rna)	date	Oct 05, 1990
title	The Refined Crystal Structure Of A Fully Active Semisynthetic Ribonuclease At 1.8 Angstroms Resolution
authors	P.D.Martin, M.S.Doscher, B.F.P.Edwards
compound		source
Molecule: Ribonuclease A Chain: A Ec: 3.1.27.5 Engineered: Yes		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913
Molecule: Ribonuclease A Chain: B Engineered: Yes		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913
symmetry	Space Group: P 32 2 1	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 67.680 67.680 65.030 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	SO4	enzyme	Hydrolase E.C.3.1.27.5 BRENDA
related structures	by homologous chain: 1JN4, 1Z3L
Gene Ontology	Chain Function Process Component A ribonuclease A activity
Primary reference	The refined crystal structure of a fully active semisynthetic ribonuclease at 1.8-A resolution., Martin PD, Doscher MS, Edwards BF, J Biol Chem 1987 Nov 25;262(33):15930-8. PMID:3680234

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (27 Kb) [Save to disk] Biological Unit Coordinates (1srn.pdb1.gz) 22 Kb LPC: Ligand-Protein Contacts for 1SRN CSU: Contacts of Structural Units for 1SRN Likely Quarternary Molecular Structure file(s) for 1SRN Retrieve 1SRN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SRN from S2C, [Save to disk]

View 1SRN 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 1SRN

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1SRN, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1srna_, region A [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: [1srn] [1srn_B] [1srn_A] SWISS-PROT database: [P61823] Domain organization of [RNAS1_BOVIN] by SWISSPFAM Domain found in 1SRN: [RNAse_Pc ] by SMART

Other resources with information on 1SRN

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

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---