2ETJ | pdb_00002etj

Crystal structure of Ribonuclease HII (EC 3.1.26.4) (RNase HII) (tm0915) from THERMOTOGA MARITIMA at 1.74 A resolution

PDB DOI: https://doi.org/10.2210/pdb2ETJ/pdb

Classification: HYDROLASE
Organism(s): Thermotoga maritima
Expression System: Escherichia coli
Mutation(s): Yes

Deposited: 2005-10-27 Released: 2005-11-08
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.74 Å
R-Value Free:
0.219 (Depositor), 0.223 (DCC)
R-Value Work:
0.179 (Depositor), 0.187 (DCC)

wwPDB Validation 3D Report Full Report

Validation slider image for 2ETJ

This is version 1.4 of the entry. See complete history.

Literature

Crystal structure of Ribonuclease HII (EC 3.1.26.4) (RNase HII) (tm0915) from THERMOTOGA MARITIMA at 1.74 A resolution

Joint Center for Structural Genomics (JCSG)

To be published.

Macromolecule Content

Total Structure Weight: 28.78 kDa
Atom Count: 1,817
Modeled Residue Count: 211
Deposited Residue Count: 250
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ribonuclease HII	A	250	Thermotoga maritima	Mutation(s): 5 Gene Names: rnhB EC: 3.1.26.4
UniProt
Find proteins for Q9X017 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore Q9X017 Go to UniProtKB: Q9X017
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9X017
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
EDO Query on EDO Download:Ideal Coordinates CCD File SDF format, chain H [auth A] SDF format, chain G [auth A] SDF format, chain F [auth A] SDF format, chain E [auth A] SDF format, chain D [auth A] MOL2 format, chain H [auth A] MOL2 format, chain G [auth A] MOL2 format, chain F [auth A] MOL2 format, chain E [auth A] MOL2 format, chain D [auth A] mmCIF format, chain H [auth A] mmCIF format, chain G [auth A] mmCIF format, chain F [auth A] mmCIF format, chain E [auth A] mmCIF format, chain D [auth A]	D [auth A], E [auth A], F [auth A], G [auth A], H [auth A]	1,2-ETHANEDIOL C₂ H₆ O₂ LYCAIKOWRPUZTN-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A] Interactions & Density Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A]
CL Query on CL Download:Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A] mmCIF format, chain C [auth A]	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]
MG Query on MG Download:Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]

Modified Residues 1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE Query on MSE	A	L-PEPTIDE LINKING	C₅ H₁₁ N O₂ Se		MET

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.74 Å
R-Value Free: 0.219 (Depositor), 0.223 (DCC)
R-Value Work: 0.179 (Depositor), 0.187 (DCC)

Diffraction Data:

Space Group: P 3₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.821	α = 90
b = 51.821	β = 90
c = 76.293	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling
SOLVE	phasing

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

Deposition Data

Released Date: 2005-11-08

Deposition Author(s):

Joint Center for Structural Genomics (JCSG)

Revision History (Full details and data files)

Version 1.0: 2005-11-08
Type: Initial release
Version 1.1: 2008-05-01
Changes: Version format compliance
Version 1.2: 2011-07-13
Changes: Advisory, Version format compliance
Version 1.3: 2023-01-25
Changes: Database references, Derived calculations
Version 1.4: 2024-11-20
Changes: Data collection, Structure summary

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.