Macromolecule Content

Total Structure Weight: 63.42 kDa
Atom Count: 4,431
Modelled Residue Count: 489
Deposited Residue Count: 540
Unique protein chains: 1

2FKB

Crystal structure of a putative enzyme (possible Nudix hydrolase) from Escherichia Coli K12

PDB DOI: https://doi.org/10.2210/pdb2FKB/pdb

Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
Organism(s): Escherichia coli K-12
Expression System: Escherichia coli BL21(DE3)
Mutation(s): Yes

Deposited: 2006-01-04 Released: 2006-02-21
Deposition Author(s): Nocek, B., Evdokimova, E., Kudritska, M., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.00 Å
R-Value Free: 0.231
R-Value Work: 0.199
R-Value Observed: 0.201

wwPDB Validation 3D Report Full Report

This is version 1.3 of the entry. See complete history.

Literature

Crystal structure of a putative enzyme (possible Nudix hydrolase) from Escherichia Coli K12

Nocek, B., Evdokimova, E., Kudritska, M., Savchenko, A., Edwards, A., Joachimiak, A.

To be published.

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative Nudix hydrolase yfcD	A, B, C	180	Escherichia coli K-12	Mutation(s): 4 Gene Names: yfcD, b2299, JW2296 EC: 3.6
UniProt
Find proteins for P65556 (Escherichia coli (strain K12)) Explore P65556 Go to UniProtKB: P65556
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P65556
Protein Feature View Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
SO4 Query on SO4 Download Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain E [auth A] SDF format, chain F [auth A] SDF format, chain L [auth B] SDF format, chain Q [auth C] SDF format, chain R [auth C] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] MOL2 format, chain F [auth A] MOL2 format, chain L [auth B] MOL2 format, chain Q [auth C] MOL2 format, chain R [auth C]	D [auth A] E [auth A] F [auth A] L [auth B] Q [auth C] D [auth A], E [auth A], F [auth A], L [auth B], Q [auth C], R [auth C]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Ligand Interaction
GOL Query on GOL Download Ideal Coordinates CCD File SDF format, chain H [auth A] SDF format, chain I [auth A] SDF format, chain J [auth A] SDF format, chain K [auth A] SDF format, chain P [auth B] SDF format, chain T [auth C] SDF format, chain U [auth C] SDF format, chain V [auth C] SDF format, chain W [auth C] MOL2 format, chain H [auth A] MOL2 format, chain I [auth A] MOL2 format, chain J [auth A] MOL2 format, chain K [auth A] MOL2 format, chain P [auth B] MOL2 format, chain T [auth C] MOL2 format, chain U [auth C] MOL2 format, chain V [auth C] MOL2 format, chain W [auth C]	H [auth A] I [auth A] J [auth A] K [auth A] P [auth B] H [auth A], I [auth A], J [auth A], K [auth A], P [auth B], T [auth C], U [auth C], V [auth C], W [auth C]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Ligand Interaction
ACT Query on ACT Download Ideal Coordinates CCD File SDF format, chain M [auth B] SDF format, chain N [auth B] SDF format, chain O [auth B] SDF format, chain S [auth C] MOL2 format, chain M [auth B] MOL2 format, chain N [auth B] MOL2 format, chain O [auth B] MOL2 format, chain S [auth C]	M [auth B], N [auth B], O [auth B], S [auth C]	ACETATE ION C₂ H₃ O₂ QTBSBXVTEAMEQO-UHFFFAOYSA-M		Ligand Interaction
MG Query on MG Download Ideal Coordinates CCD File SDF format, chain G [auth A] MOL2 format, chain G [auth A]	G [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Ligand Interaction

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: 2.00 Å
R-Value Free: 0.231
R-Value Work: 0.199
R-Value Observed: 0.201
Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 89.701	α = 90
b = 134.884	β = 90
c = 145.246	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data scaling
SOLVE	phasing
RESOLVE	phasing

Structure Validation

View Full Validation Report

Entry History

Deposition Data

Released Date: 2006-02-21

Deposition Author(s):

Midwest Center for Structural Genomics (MCSG)

Revision History (Full details and data files)

Version 1.0: 2006-02-21
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: 2017-10-18
Changes: Advisory, Refinement description

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.