9H0Z | pdb_00009h0z

Crystal structure of TTL[Nle], thermophilic lipase TTL from Thermoanaerobacter thermohydrosulfuricus containing non-canonical amino acid Nle at the position of Met

• PDB DOI: https://doi.org/10.2210/pdb9H0Z/pdb

• Classification: LIPID BINDING PROTEIN
• Organism(s): Thermoanaerobacter thermohydrosulfuricus
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2024-10-09 Released: 2025-10-29 
• Deposition Author(s): Hromic-Jahjefendic, A., Pavkov-Keller, T., Wiltschi, B., Gruber, K.
• Funding Organization(s): Austrian Research Promotion Agency

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.79 Å
• R-Value Free: 
  0.263 (Depositor), 0.264 (DCC) 
• R-Value Work: 
  0.214 (Depositor), 0.214 (DCC) 
• R-Value Observed: 
  0.216 (Depositor) 

Starting Model: experimental

Literature

ncAA incorporation, lipase and OYE

Hromic-Jahjefendic, A., Pavkov-Keller, T., Gruber, K., Wiltschi, B.

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)

Biological Assembly 3  

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

Biological assembly 3 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 180.45 kDa 
• Atom Count: 12,131 
• Modeled Residue Count: 1,511 
• Deposited Residue Count: 1,602 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine aminopeptidase S33 domain-containing protein	A, B, C, D, E, F	267	Thermoanaerobacter thermohydrosulfuricus	Mutation(s): 12  Gene Names: SAMN04244560_02687
UniProt
Find proteins for A0A1G7VV58 (Thermoanaerobacter thermohydrosulfuricus) Explore A0A1G7VV58  Go to UniProtKB:  A0A1G7VV58

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
NLE	A, B, C, D, E, F	L-PEPTIDE LINKING	C6 H13 N O2		LEU

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.79 Å
• R-Value Free:  0.263 (Depositor), 0.264 (DCC) 
• R-Value Work:  0.214 (Depositor), 0.214 (DCC) 
• R-Value Observed: 0.216 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 64.9	α = 90
b = 76.297	β = 93.522
c = 187.79	γ = 90

Software Package:

Software Name	Purpose
XDS	data reduction
PHENIX	refinement
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-10-29 
Deposition Author(s): Hromic-Jahjefendic, A., Pavkov-Keller, T., Wiltschi, B., Gruber, K.

---

Funding Organization	Location	Grant Number
Austrian Research Promotion Agency	Austria	--

Revision History  

• Version 1.0: 2025-10-29
  Type: Initial release