3P01 | pdb_00003p01

Crystal structure of two-component response regulator from Nostoc sp. PCC 7120

PDB DOI: https://doi.org/10.2210/pdb3P01/pdb

Classification: SIGNALING PROTEIN
Organism(s): Nostoc sp. PCC 7120 = FACHB-418
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2010-09-27 Released: 2010-10-06
Deposition Author(s): Chang, C., Mack, J., Feldman, B., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.65 Å
R-Value Free:
0.268 (Depositor), 0.263 (DCC)
R-Value Work:
0.228 (Depositor), 0.227 (DCC)
R-Value Observed:
0.230 (Depositor)

wwPDB Validation 3D Report Full Report

This is version 1.2 of the entry. See complete history.

Literature

Crystal structure of two-component response regulator from Nostoc sp. PCC 7120

Chang, C., Mack, J., Feldman, B., Joachimiak, A.

To be published.

Macromolecule Content

Total Structure Weight: 60.88 kDa
Atom Count: 3,934
Modeled Residue Count: 522
Deposited Residue Count: 552
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Two-component response regulator	A, B, C	184	Nostoc sp. PCC 7120 = FACHB-418	Mutation(s): 0 Gene Names: alr5251
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations Expand
Reference Sequence

Small Molecules

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

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.65 Å
R-Value Free: 0.268 (Depositor), 0.263 (DCC)
R-Value Work: 0.228 (Depositor), 0.227 (DCC)
R-Value Observed: 0.230 (Depositor)

Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 111.876	α = 90
b = 111.876	β = 90
c = 112.837	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing
SHELXD	phasing
SHELXE	model building
MLPHARE	phasing
DM	phasing
RESOLVE	phasing
Coot	model building
ARP/wARP	model building

Structure Validation

View Full Validation Report

Entry History

Deposition Data

Released Date: 2010-10-06

Deposition Author(s):

Midwest Center for Structural Genomics (MCSG)

Revision History (Full details and data files)

Version 1.0: 2010-10-06
Type: Initial release
Version 1.1: 2011-07-13
Changes: Version format compliance
Version 1.2: 2024-10-16
Changes: Data collection, Database references, Derived calculations, Structure summary

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.