1UB7

The Crystal Analysis of Beta-Keroacyl-[Acyl Carrier Protein] Synthase III (FABH)From Thermus Thermophilus.

• PDB DOI: https://doi.org/10.2210/pdb1UB7/pdb

• Classification: TRANSFERASE
• Organism(s): Thermus thermophilus HB8
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2003-03-31 Released: 2003-04-15 
• Deposition Author(s): Inagaki, E., Miyano, M., Tahirov, T.H., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.241 
• R-Value Work: 0.193 
• R-Value Observed: 0.193 

Starting Model: experimental

Literature

The Crystal Structure of Beta-Ketoacyl-[Acyl Carrier Protein] Synthase III (Fabh) from Thermus Thermophilus

Inagaki, E., Kuramitsu, S., Yokoyama, S., Miyano, M., Tahirov, T.H.

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: 139.21 kDa 
• Atom Count: 10,103 
• Modelled Residue Count: 1,284 
• Deposited Residue Count: 1,288 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
3-oxoacyl-[acyl-carrier protein] synthase	A, B, C, D	322	Thermus thermophilus HB8	Mutation(s): 0  EC: 2.3.1.41 (PDB Primary Data), 2.3.1.180 (UniProt)
UniProt
Find proteins for Q7SI99 (Thermus thermophilus) Explore Q7SI99  Go to UniProtKB:  Q7SI99

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	E [auth A], F [auth A], G [auth B], H [auth C], I [auth C], J [auth C], K [auth D], L [auth D], M [auth D], N [auth D]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CSO	A, B, C, D	L-PEPTIDE LINKING	C3 H7 N O3 S		CYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.241 
• R-Value Work: 0.193 
• R-Value Observed: 0.193 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.586	α = 90
b = 91.355	β = 98.26
c = 149.436	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
HKL-2000	data reduction
CNS	refinement
SCALEPACK	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-04-15 
Deposition Author(s): Inagaki, E., Miyano, M., Tahirov, T.H., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Revision History  

• Version 1.0: 2003-04-15
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 1.3: 2023-10-25
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.4: 2023-11-15
  Changes: Data collection
• Version 1.5: 2024-11-06
  Changes: Structure summary