4HOH	Hydrolase	date	Sep 14, 1998
title	Ribonuclease T1 (Thr93ala Mutant) Complexed With 2'Gmp
authors	U.Langhorst, R.Loris, V.P.Denisov, J.Doumen, P.Roose, D.Maes, B.Ha J.Steyaert
compound		source
Molecule: Protein (Ribonuclease T1) Chain: A, B, C, D Synonym: Rnase T1 Ec: 3.1.27.3 Engineered: Yes Mutation: Yes Other_details: Complexed With Guanosine-2'-Monophosphate		Organism_scientific: Aspergillus Oryzae Organism_taxid: 5062 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Wk6
symmetry	Space Group: P 21 21 21	R_factor 0.190 R_Free 0.234
crystal cell	length a length b length c angle alpha angle beta angle gamma 59.320 60.310 101.030 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.05 Å
ligand	2GP, CA	enzyme	Hydrolase E.C.3.1.27.3 BRENDA
related structures	by homologous chain: 1B2M, 1GSP
Gene Ontology	Chain Function Process Component A, D, C, B nuclease activity endonuclease activity endoribonuclease activity ribonuclease activity
Primary reference	Dissection of the structural and functional role of a conserved hydration site in RNase T1., Langhorst U, Loris R, Denisov VP, Doumen J, Roose P, Maes D, Halle B, Steyaert J, Protein Sci 1999 Apr;8(4):722-30. PMID:10211818

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (74 Kb) [Save to disk] Biological Unit Coordinates (4hoh.pdb1.gz) 19 Kb Biological Unit Coordinates (4hoh.pdb2.gz) 19 Kb Biological Unit Coordinates (4hoh.pdb3.gz) 19 Kb Biological Unit Coordinates (4hoh.pdb4.gz) 18 Kb LPC: Ligand-Protein Contacts for 4HOH CSU: Contacts of Structural Units for 4HOH Likely Quarternary Molecular Structure file(s) for 4HOH Structure Factors (165 Kb) Retrieve 4HOH in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4HOH from S2C, [Save to disk] Re-refined 4hoh structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4HOH 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 4HOH

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 4HOH, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d4hoha_, region A [Jmol] [rasmolscript] [script source]     - Domain d4hohb_, region B [Jmol] [rasmolscript] [script source]     - Domain d4hohc_, region C [Jmol] [rasmolscript] [script source]     - Domain d4hohd_, region D [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: [4hoh_B] [4hoh] [4hoh_A] [4hoh_C] [4hoh_D] SWISS-PROT database: [P00651] Domain organization of [RNT1_ASPOR] by SWISSPFAM

Other resources with information on 4HOH

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

Movements, Movies and Images

Domain movements in 4HOH from the Database of Macromolecular Movements. 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

---