3SA1 | pdb_00003sa1

Bacuills anthracis Dihydrofolate Reductase bound propargyl-linked TMP analog, UCP1021

PDB DOI: https://doi.org/10.2210/pdb3SA1/pdb

Classification: OXIDOREDUCTASE
Organism(s): Bacillus anthracis
Expression System: Escherichia coli M15
Mutation(s): Yes

Deposited: 2011-06-02 Released: 2012-06-13
Deposition Author(s): Anderson, A.C., Beierlein, J.M.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.50 Å
R-Value Free:
0.257 (Depositor), 0.250 (DCC)
R-Value Work:
0.229 (Depositor), 0.222 (DCC)
R-Value Observed:
0.230 (Depositor)

Starting Model: experimental
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Ligand Structure Quality Assessment

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

Literature

SAR studies of heterocyclic propargyl-linked TMP analogs to Bacillus dihydrofolate reductase

Anderson, A.C., Beierlein, J.M., Viswanathan, K., Wright, D.L.

To be published.

Macromolecule Content

Total Structure Weight: 41.42 kDa
Atom Count: 2,952
Modeled Residue Count: 329
Deposited Residue Count: 330
Unique protein chains: 1

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Dihydrofolate reductase	A, B	165	Bacillus anthracis	Mutation(s): 1 Gene Names: BAS2083, BA_2237, dfrA, GBAA2237, GBAA_2237 EC: 1.5.1.3
UniProt
Find proteins for Q81R22 (Bacillus anthracis) Explore Q81R22 Go to UniProtKB: Q81R22
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q81R22
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
NAP Query on NAP Download:Ideal Coordinates CCD File SDF format, chain E [auth B] SDF format, chain C [auth A] MOL2 format, chain E [auth B] MOL2 format, chain C [auth A] mmCIF format, chain E [auth B] mmCIF format, chain C [auth A]	C [auth A], E [auth B]	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C₂₁ H₂₈ N₇ O₁₇ P₃ XJLXINKUBYWONI-NNYOXOHSSA-N		Interactions Focus chain C [auth A] Focus chain E [auth B] Interactions & Density Focus chain C [auth A] Focus chain E [auth B]
6DR Query on 6DR Download:Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain F [auth B] MOL2 format, chain D [auth A] MOL2 format, chain F [auth B] mmCIF format, chain D [auth A] mmCIF format, chain F [auth B]	D [auth A], F [auth B]	6-ethyl-5-{3-[2-methoxy-5-(pyridin-4-yl)phenyl]prop-1-yn-1-yl}pyrimidine-2,4-diamine C₂₁ H₂₁ N₅ O CZCHMGRCEXJPTP-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Focus chain F [auth B] Interactions & Density Focus chain D [auth A] Focus chain F [auth B]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.50 Å
R-Value Free: 0.257 (Depositor), 0.250 (DCC)
R-Value Work: 0.229 (Depositor), 0.222 (DCC)
R-Value Observed: 0.230 (Depositor)

Space Group: P 4₂

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 78.094	α = 90
b = 78.094	β = 90
c = 67.07	γ = 90

Software Package:

Software Name	Purpose
d*TREK	data scaling
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
d*TREK	data reduction

Structure Validation

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Ligand Structure Quality Assessment

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Entry History

Deposition Data

Released Date: 2012-06-13

Deposition Author(s):

Beierlein, J.M.

Revision History (Full details and data files)

Version 1.0: 2012-06-13
Type: Initial release
Version 1.1: 2023-09-13
Changes: Data collection, Database references, Derived calculations, Refinement description

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.