2HQ4 | pdb_00002hq4

Crystal Structure of ORF 1580 a hypothetical protein from Pyrococcus horikoshii

PDB DOI: https://doi.org/10.2210/pdb2HQ4/pdb

Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
Organism(s): Pyrococcus horikoshii
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2006-07-18 Released: 2006-09-19
Deposition Author(s): Li, Y., Marshall, M., Chang, J., Zhao, M., Zhang, M., Xu, H., Liu, Z.J., Rose, J.P., Wang, B.C., Southeast Collaboratory for Structural Genomics (SECSG)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.99 Å
R-Value Free:
0.232 (Depositor)
R-Value Work:
0.195 (Depositor), 0.190 (DCC)
R-Value Observed:
0.197 (Depositor)

wwPDB Validation 3D Report Full Report

Validation slider image for 2HQ4

This is version 1.6 of the entry. See complete history.

Literature

Crystal Structure of ORF 1580 a hypothetical protein from Pyrococcus horikoshii

Li, Y., Marshall, M., Chang, J., Zhao, M., Zhang, M., Xu, H., LIU, Z.J., ROSE, J.P., Wang, B.C., Southeast Collaboratory for Structural Genomics (SECSG)

To be published.

Macromolecule Content

Total Structure Weight: 38.68 kDa
Atom Count: 2,903
Modeled Residue Count: 317
Deposited Residue Count: 322
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hypothetical protein PH1570	A, B	161	Pyrococcus horikoshii	Mutation(s): 0
UniProt
Find proteins for O59278 (Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3)) Explore O59278 Go to UniProtKB: O59278
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O59278
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.99 Å
R-Value Free: 0.232 (Depositor)
R-Value Work: 0.195 (Depositor), 0.190 (DCC)
R-Value Observed: 0.197 (Depositor)

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 133.869	α = 90
b = 46.392	β = 132.42
c = 94.75	γ = 90

Software Package:

Software Name	Purpose
Sca2Structure	model building
REFMAC	refinement
SERGUI	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
SCA2STRUCTURE	phasing

Structure Validation

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Entry History

Deposition Data

Released Date: 2006-09-19

Deposition Author(s):

Southeast Collaboratory for Structural Genomics (SECSG)

Revision History (Full details and data files)

Version 1.0: 2006-09-19
Type: Initial release
Version 1.1: 2008-05-01
Changes: Version format compliance
Version 1.2: 2011-07-13
Changes: Version format compliance
Version 1.3: 2017-09-13
Changes: Refinement description
Version 1.4: 2024-03-06
Changes: Data collection, Database references, Refinement description
Version 1.5: 2024-10-30
Changes: Structure summary
Version 1.6: 2025-10-22
Changes: Database references, Structure summary