6K2M

Crystal structure of the complex of Proliferating Cell Nuclear Antigen from Leishmania donovani with arginine at 3.19 A resolution.

PDB DOI: https://doi.org/10.2210/pdb6K2M/pdb

Classification: DNA BINDING PROTEIN
Organism(s): Leishmania donovani
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2019-05-15 Released: 2019-05-29
Deposition Author(s): Viswanathan, V., Iqbal, N., Sharma, S., Singh, T.P.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 3.19 Å
R-Value Free: 0.227
R-Value Work: 0.167
R-Value Observed: 0.170

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.1 of the entry. See complete history.

Literature

Crystal structure of the complex of Proliferating Cell Nuclear Antigen from Leishmania donovani with arginine at 3.19 A resolution.

Viswanathan, V., Iqbal, N., Sharma, S., Singh, T.P.

To be published.

Macromolecule Content

Total Structure Weight: 199.34 kDa
Atom Count: 11,702
Modelled Residue Count: 1,501
Deposited Residue Count: 1,812
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Proliferating cell nuclear antigen	A B [auth D] C [auth E] D [auth B] E [auth C] A, B [auth D], C [auth E], D [auth B], E [auth C], F	302	Leishmania donovani	Mutation(s): 0 Gene Names: PCNA
UniProt
Find proteins for B5TV91 (Leishmania donovani) Explore B5TV91 Go to UniProtKB: B5TV91
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	B5TV91
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
ARG (Subject of Investigation/LOI) Query on ARG Download Ideal Coordinates CCD File SDF format, chain G [auth A] SDF format, chain H [auth E] MOL2 format, chain G [auth A] MOL2 format, chain H [auth E] mmCIF format, chain G [auth A] mmCIF format, chain H [auth E]	G [auth A], H [auth E]	ARGININE C₆ H₁₅ N₄ O₂ ODKSFYDXXFIFQN-BYPYZUCNSA-O		Interactions Focus chain G [auth A] Focus chain H [auth E] Interactions & Density Focus chain G [auth A] Focus chain H [auth E]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 3.19 Å
R-Value Free: 0.227
R-Value Work: 0.167
R-Value Observed: 0.170
Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 135.926	α = 90
b = 150.588	β = 90
c = 171.009	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
MOLREP	phasing
Coot	model building

Structure Validation

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Ligand Structure Quality Assessment

Entry History

Deposition Data

Released Date: 2019-05-29

Deposition Author(s):

Viswanathan, V.

Revision History (Full details and data files)

Version 1.0: 2019-05-29
Type: Initial release
Version 1.1: 2023-11-22
Changes: Data collection, Database references, Refinement description

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.