1E3H	Polyribonucleotide Transferase	date	Jun 15, 2000
title	Semet Derivative Of Streptomyces Antibioticus Pnpasegpsi En
authors	M.F.Symmons, G.H.Jones, B.F.Luisi
compound		source
Molecule: Guanosine Pentaphosphate Synthetase Chain: A Synonym: Polynucleotide Phosphorylase, Guanosine Pentaphosp Synthetase; Ec: 2.7.7.8, 2.7.6.5 Engineered: Yes Other_details: Bifunctional Enzyme Polyribonucleotide Nucle Transferase, Atp\: Gtp Diphosphotransferase		Organism_scientific: Streptomyces Antibioticus Organism_taxid: 1890 Strain: Imru3720 Cellular_location: Cytoplasm Gene: Gpsi Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_cellular_location: Cytoplasm Other_details: Bifunctional Enzyme Isolated
symmetry	Space Group: H 3 2	R_factor 0.201 R_Free 0.226
crystal cell	length a length b length c angle alpha angle beta angle gamma 133.610 133.610 344.470 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand	MSE, SO4	enzyme	Transferase E.C.2.7.7.8 BRENDA
related structures	by homologous chain: 1E3P
Gene Ontology	Chain Function Process Component A
Primary reference	A duplicated fold is the structural basis for polynucleotide phosphorylase catalytic activity, processivity, and regulation., Symmons MF, Jones GH, Luisi BF, Structure Fold Des 2000 Nov 15;8(11):1215-26. PMID:11080643

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (107 Kb) [Save to disk] Biological Unit Coordinates (1e3h.pdb1.gz) 292 Kb LPC: Ligand-Protein Contacts for 1E3H CSU: Contacts of Structural Units for 1E3H Likely Quarternary Molecular Structure file(s) for 1E3H Structure Factors (735 Kb) Retrieve 1E3H in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1E3H from S2C, [Save to disk] Re-refined 1e3h structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1E3H 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 1E3H

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 1E3H, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1e3ha5, region A:152-262 [Jmol] [rasmolscript] [script source]     - Domain d1e3ha1, region A:263-345 [Jmol] [rasmolscript] [script source]     - Domain d1e3ha2, region A:3-151 [Jmol] [rasmolscript] [script source]     - Domain d1e3ha3, region A:346-482 [Jmol] [rasmolscript] [script source]     - Domain d1e3ha6, region A:483-578 [Jmol] [rasmolscript] [script source]     - Domain d1e3ha4, region A:579-632 [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: [1e3h] [1e3h_A] SWISS-PROT database: [Q53597] Domain organization of [PNP_STRAT] by SWISSPFAM Domains found in 1E3H: [KH] [S1 ] by SMART

Other resources with information on 1E3H

Community annotation for 1E3H 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

---