5I0A

RecA mini intein in complex with cisplatin

• PDB DOI: https://doi.org/10.2210/pdb5I0A/pdb

• Classification: SPLICING
• Organism(s): Mycobacterium tuberculosis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2016-02-03 Released: 2016-09-21 
• Deposition Author(s): Li, Z., Zhang, J., Li, H.M.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.193 
• R-Value Work: 0.170 
• R-Value Observed: 0.172 

Literature

Structural insights into protein splicing inhibition by platinum therapeutics as potential anti-microbials

Chan, H., Pearson, S., Green, C., Li, Z., Zhang, J., Lippard, S., Belfort, G., Shekhtman, A., Li, H.M., Belfort, M.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 16.86 kDa 
• Atom Count: 1,332 
• Modelled Residue Count: 142 
• Deposited Residue Count: 144 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Intein	A	144	Mycobacterium tuberculosis	Mutation(s): 0
UniProt
Find proteins for P9WHJ3 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WHJ3  Go to UniProtKB:  P9WHJ3

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CPT	B [auth A], C [auth A]	Cisplatin Cl2 H6 N2 Pt LXZZYRPGZAFOLE-UHFFFAOYSA-L
TCE	D [auth A]	3,3',3''-phosphanetriyltripropanoic acid C9 H15 O6 P PZBFGYYEXUXCOF-UHFFFAOYSA-N
SO4	E [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.193 
• R-Value Work: 0.170 
• R-Value Observed: 0.172 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.269	α = 90
b = 64.051	β = 90
c = 37.167	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
PHENIX	refinement

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2016-09-21 
Deposition Author(s): Li, Z., Zhang, J., Li, H.M.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM39422
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM44844

Revision History  

• Version 1.0: 2016-09-21
  Type: Initial release
  
• Version 1.1: 2017-09-20
  Changes: Author supporting evidence, Derived calculations
• Version 1.2: 2019-12-25
  Changes: Author supporting evidence
• Version 1.3: 2023-09-27
  Changes: Data collection, Database references, Refinement description