4RSK	Hydrolase	date	Apr 09, 1998
title	Structure Of The K7ar10ak66a Variant Of Ribonuclease A Com With 3'-Ump
authors	L.W.Schultz, B.M.Fisher, R.T.Raines
compound		source
Molecule: Ribonuclease A Chain: A Ec: 3.1.27.5 Engineered: Yes Mutation: Yes		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Cell_line: Bl21 Organ: Pancreas Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 (De3) Expression_system_cellular_location: Inclusion Bodies Expression_system_vector: Pet-22 Expression_system_plasmid: Pbxr
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 69.620 69.620 66.980 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	U3P BindingDB	enzyme	Hydrolase E.C.3.1.27.5 BRENDA
related structures	by homologous chain: 1R5C, 1RBN
Gene Ontology	Chain Function Process Component A ribonuclease A activity
Primary reference	Coulombic effects of remote subsites on the active site of ribonuclease A., Fisher BM, Schultz LW, Raines RT, Biochemistry 1998 Dec 15;37(50):17386-401. PMID:9860854

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (26 Kb) [Save to disk] Biological Unit Coordinates (4rsk.pdb1.gz) 22 Kb LPC: Ligand-Protein Contacts for 4RSK CSU: Contacts of Structural Units for 4RSK Likely Quarternary Molecular Structure file(s) for 4RSK Retrieve 4RSK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4RSK from S2C, [Save to disk]

View 4RSK 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 4RSK

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 4RSK, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d4rsk__, region [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: [4rsk_A] [4rsk] SWISS-PROT database: [P61823] Domain organization of [RNAS1_BOVIN] by SWISSPFAM Domain found in 4RSK: [RNAse_Pc ] by SMART

Other resources with information on 4RSK

Community annotation for 4RSK at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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