7SBE | pdb_00007sbe

Structure of the K. lactis telomerase RNA binding domain

• PDB DOI: https://doi.org/10.2210/pdb7SBE/pdb

• Classification: RNA BINDING PROTEIN
• Organism(s): Kluyveromyces lactis
• Expression System: Escherichia phage EcSzw-2
• Mutation(s): No 


• Deposited: 2021-09-24 Released: 2022-09-21 
• Deposition Author(s): Skordalakes, E., Tzfati, Y.
• Funding Organization(s): National Institutes of Health/National Cancer Institute (NIH/NCI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.65 Å
• R-Value Free: 
  0.284 (Depositor), 0.280 (DCC) 
• R-Value Work: 
  0.233 (Depositor), 0.240 (DCC) 
• R-Value Observed: 
  0.236 (Depositor) 

Starting Model: experimental

Literature

Structure of the K. lactis telomerase RNA binding domain

Skordalakes, E., Tzfati, Y.

(2022) Int J Mol Sci 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 55.81 kDa 
• Atom Count: 3,790 
• Modeled Residue Count: 456 
• Deposited Residue Count: 474 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Telomerase reverse transcriptase	A, B	237	Kluyveromyces lactis	Mutation(s): 0  Gene Names: KLLA0_C18381g EC: 2.7.7.49
UniProt
Find proteins for Q6CSS0 (Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37)) Explore Q6CSS0  Go to UniProtKB:  Q6CSS0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.65 Å
• R-Value Free:  0.284 (Depositor), 0.280 (DCC) 
• R-Value Work:  0.233 (Depositor), 0.240 (DCC) 
• R-Value Observed: 0.236 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 140.37	α = 90
b = 85	β = 106.11
c = 48.42	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
XSCALE	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-09-21 
Deposition Author(s): Skordalakes, E., Tzfati, Y.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Cancer Institute (NIH/NCI)	United States	--

Revision History  

• Version 1.0: 2022-09-21
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Refinement description