2IC7 | pdb_00002ic7

Crystal Structure of Maltose Transacetylase from Geobacillus kaustophilus

• PDB DOI: https://doi.org/10.2210/pdb2IC7/pdb

• Classification: TRANSFERASE
• Organism(s): Geobacillus kaustophilus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2006-09-12 Released: 2006-11-07 
• Deposition Author(s): Liu, Z.J., Li, Y., Chen, L., Zhu, J., Rose, J.P., Ebihara, A., Yokoyama, S., Wang, B.C., Southeast Collaboratory for Structural Genomics (SECSG), RIKEN Structural Genomics/Proteomics Initiative (RSGI), RIKEN Structural Genomics/Proteomics Initiative (RSGI)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.78 Å
• R-Value Free: 
  0.206 (Depositor), 0.205 (DCC) 
• R-Value Work: 
  0.178 (Depositor), 0.178 (DCC) 
• R-Value Observed: 
  0.179 (Depositor) 

Starting Model: experimental

Literature

Crystal Structure of Maltose Transacetylase From Geobacillus kaustophilus at 1.78 Angstrom Resolution

Liu, Z.J., Li, Y., Chen, L., Zhu, J., Rose, J.P., Ebihara, A., Yokoyama, S., Wang, B.C.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Macromolecule Content 

• Total Structure Weight: 61.85 kDa 
• Atom Count: 4,936 
• Modeled Residue Count: 555 
• Deposited Residue Count: 555 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Maltose transacetylase	A, B, C	185	Geobacillus kaustophilus	Mutation(s): 0  Gene Names: GKB08 EC: 2.3.1.79
UniProt
Find proteins for Q75TD0 (Geobacillus kaustophilus) Explore Q75TD0  Go to UniProtKB:  Q75TD0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.78 Å
• R-Value Free:  0.206 (Depositor), 0.205 (DCC) 
• R-Value Work:  0.178 (Depositor), 0.178 (DCC) 
• R-Value Observed: 0.179 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 99.479	α = 90
b = 104.478	β = 101.85
c = 65.579	γ = 90

Software Package:

Software Name	Purpose
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
CCP4	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-11-07 
Deposition Author(s): Liu, Z.J., Li, Y., Chen, L., Zhu, J., Rose, J.P., Ebihara, A., Yokoyama, S., Wang, B.C., Southeast Collaboratory for Structural Genomics (SECSG), RIKEN Structural Genomics/Proteomics Initiative (RSGI), RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Revision History  

• Version 1.0: 2006-11-07
  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: 2017-10-18
  Changes: Refinement description
• Version 1.4: 2018-01-24
  Changes: Structure summary
• Version 1.5: 2023-08-30
  Changes: Data collection, Database references, Refinement description