3MEP | pdb_00003mep

Crystal Structure of ECA2234 protein from Erwinia carotovora, Northeast Structural Genomics Consortium Target EwR44

• PDB DOI: https://doi.org/10.2210/pdb3MEP/pdb

• Classification: structural genomics, unknown function
• Organism(s): Pectobacterium atrosepticum SCRI1043
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-03-31 Released: 2010-04-14 
• Deposition Author(s): Seetharaman, J., Abashidze, M., Forouhar, F., Mao, M., Xiao, R., Ciccosanti, C., Wang, D., Everett, J.K., Nair, R., Acton, T.B., Rost, B., Montelione, G.T., Tong, L., Hunt, J.F., Northeast Structural Genomics Consortium (NESG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 
  0.264 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.220 (Depositor), 0.220 (DCC) 
• R-Value Observed: 
  0.222 (Depositor) 

Literature

Northeast Structural Genomics Consortium Target EwR44

Seetharaman, J., Abashidze, M., Forouhar, F., Mao, M., Xiao, R., Ciccosanti, C., Wang, D., Everett, J.K., Nair, R., Acton, T.B., Rost, B., Montelione, G.T., Tong, L., Hunt, J.F.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 68.27 kDa 
• Atom Count: 4,575 
• Modelled Residue Count: 534 
• Deposited Residue Count: 594 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
uncharacterized protein ECA2234	A, B, C	198	Pectobacterium atrosepticum SCRI1043	Mutation(s): 0  Gene Names: ECA2234
UniProt
Find proteins for Q6D507 (Pectobacterium atrosepticum (strain SCRI 1043 / ATCC BAA-672)) Explore Q6D507  Go to UniProtKB:  Q6D507

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free:  0.264 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.220 (Depositor), 0.220 (DCC) 
• R-Value Observed: 0.222 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 100.179	α = 90
b = 41.93	β = 105.62
c = 148.639	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELX	phasing
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-04-14 
Deposition Author(s): Seetharaman, J., Abashidze, M., Forouhar, F., Mao, M., Xiao, R., Ciccosanti, C., Wang, D., Everett, J.K., Nair, R., Acton, T.B., Rost, B., Montelione, G.T., Tong, L., Hunt, J.F., Northeast Structural Genomics Consortium (NESG)

Revision History  

• Version 1.0: 2010-04-14
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2019-07-17
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.3: 2024-11-06
  Changes: Data collection, Database references, Structure summary