3K2I

Human Acyl-coenzyme A thioesterase 4

• PDB DOI: https://doi.org/10.2210/pdb3K2I/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2009-09-30 Released: 2009-10-20 
• Deposition Author(s): Siponen, M.I., Moche, M., Arrowsmith, C.H., Berglund, H., Bountra, C., Collins, R., Edwards, A.M., Flodin, S., Flores, A., Graslund, S., Hammarstrom, M., Johansson, A., Johansson, I., Kallas, A., Karlberg, T., Kraulis, P., Kotenyova, T., Kotzsch, A., Markova, N., Nielsen, T.K., Nordlund, P., Nyman, T., Persson, C., Roos, A.K., Schutz, P., Svensson, L., Thorsell, A.G., Tresaugues, L., Van Den Berg, S., Wahlberg, E., Weigelt, J., Welin, M., Wisniewska, M., Schuler, H., Structural Genomics Consortium (SGC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.249 
• R-Value Work: 0.192 
• R-Value Observed: 0.194 

Starting Model: experimental

Literature

Human Acyl-coenzyme A thioesterase 4

Siponen, M.I., Moche, M., Arrowsmith, C.H., Berglund, H., Bountra, C., Collins, R., Edwards, A.M., Flodin, S., Flores, A., Graslund, S., Hammarstrom, M., Johansson, A., Johansson, I., Kallas, A., Karlberg, T., Kraulis, P., Kotenyova, T., Kotzsch, A., Markova, N., Nielsen, T.K., Nordlund, P., Nyman, T., Persson, C., Roos, A.K., Schutz, P., Svensson, L., Thorsell, A.G., Tresaugues, L., Van Den Berg, S., Wahlberg, E., Weigelt, J., Welin, M., Wisniewska, M., Schuler, H.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Biological Assembly 3  

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

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 93.12 kDa 
• Atom Count: 6,631 
• Modelled Residue Count: 810 
• Deposited Residue Count: 844 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Acyl-coenzyme A thioesterase 4	A, B	422	Homo sapiens	Mutation(s): 1  Gene Names: ACOT4 EC: 3.1.2.2 (PDB Primary Data), 3.1.2.3 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for Q8N9L9 (Homo sapiens) Explore Q8N9L9  Go to UniProtKB:  Q8N9L9
PHAROS:  Q8N9L9 GTEx:  ENSG00000177465

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NI	C [auth A], F [auth B]	NICKEL (II) ION Ni VEQPNABPJHWNSG-UHFFFAOYSA-N
CL	D [auth A], E [auth A], G [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.249 
• R-Value Work: 0.192 
• R-Value Observed: 0.194 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 72.47	α = 90
b = 93	β = 90
c = 133.72	γ = 90

Software Package:

Software Name	Purpose
ADSC	data collection
MOLREP	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-10-20 
Deposition Author(s): Siponen, M.I., Moche, M., Arrowsmith, C.H., Berglund, H., Bountra, C., Collins, R., Edwards, A.M., Flodin, S., Flores, A., Graslund, S., Hammarstrom, M., Johansson, A., Johansson, I., Kallas, A., Karlberg, T., Kraulis, P., Kotenyova, T., Kotzsch, A., Markova, N., Nielsen, T.K., Nordlund, P., Nyman, T., Persson, C., Roos, A.K., Schutz, P., Svensson, L., Thorsell, A.G., Tresaugues, L., Van Den Berg, S., Wahlberg, E., Weigelt, J., Welin, M., Wisniewska, M., Schuler, H., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2009-10-20
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2021-11-10
  Changes: Database references, Derived calculations
• Version 1.3: 2023-11-01
  Changes: Data collection, Refinement description