6YF6 | pdb_00006yf6

EclA C-terminal domain; sugar-binding protein

• PDB DOI: https://doi.org/10.2210/pdb6YF6/pdb

• Classification: SUGAR BINDING PROTEIN
• Organism(s): Enterobacter cloacae subsp. cloacae ATCC 13047
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2020-03-26 Released: 2021-04-07 
• Deposition Author(s): Koehnke, J., Sikandar, A.
• Funding Organization(s): German Research Foundation (DFG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.237 (Depositor), 0.250 (DCC) 
• R-Value Work: 
  0.190 (Depositor), 0.200 (DCC) 
• R-Value Observed: 
  0.192 (Depositor) 

Literature

EclA C-terminal domain; sugar-binding protein

Koehnke, J., Sikandar, A.

To be published.

Biological Assembly 1  

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

Biological assembly 1 generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 32.52 kDa 
• Atom Count: 2,471 
• Modeled Residue Count: 280 
• Deposited Residue Count: 288 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Galactose-binding lectin	A, B	144	Enterobacter cloacae subsp. cloacae ATCC 13047	Mutation(s): 0  Gene Names: ECL_04191
UniProt
Find proteins for A0A0H3CQ33 (Enterobacter cloacae subsp. cloacae (strain ATCC 13047 / DSM 30054 / NBRC 13535 / NCTC 10005 / WDCM 00083 / NCDC 279-56)) Explore A0A0H3CQ33  Go to UniProtKB:  A0A0H3CQ33

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SFU	C [auth A], E [auth B]	methyl 1-seleno-alpha-L-fucopyranoside C7 H14 O4 Se VHTNTJQSKJZERS-XUVCUMPTSA-N
PO4	F [auth B]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
CA	D [auth A], G [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.237 (Depositor), 0.250 (DCC) 
• R-Value Work:  0.190 (Depositor), 0.200 (DCC) 
• R-Value Observed: 0.192 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 38.512	α = 90
b = 63.671	β = 90
c = 134.009	γ = 90

Software Package:

Software Name	Purpose
Aimless	refinement
PHENIX	refinement
xia2	data reduction
Aimless	data scaling
AutoSol	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-04-07 
Deposition Author(s): Koehnke, J., Sikandar, A.

---

Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	KO4116_3_1

Revision History  

• Version 1.0: 2021-04-07
  Type: Initial release
  
• Version 1.1: 2024-05-15
  Changes: Data collection, Database references