6DRS | pdb_00006drs

Dihydrofolate Reductase (DHFR) of Aspergillus flavus in complex with a small molecule inhibitor

PDB DOI: https://doi.org/10.2210/pdb6DRS/pdb

Classification: ANTIFUNGAL PROTEIN/Inhibitor
Organism(s): Aspergillus flavus NRRL3357
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2018-06-12 Released: 2019-06-19
Deposition Author(s): Bensen, D.C., Fortier, J.M., Akers-Rodriguez, S., Tari, L.W.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.00 Å
R-Value Free:
0.259 (Depositor), 0.242 (DCC)
R-Value Work:
0.219 (Depositor)
R-Value Observed:
0.221 (Depositor)

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

Prospecting for broad-spectrum inhibitors of fungal dihydrofolate reductase using a structure guided approach.

Bensen, D.C., Fortier, J.M., Akers-Rodriguez, S., Tari, L.W.

To be published.

Macromolecule Content

Total Structure Weight: 29.55 kDa
Atom Count: 2,119
Modeled Residue Count: 244
Deposited Residue Count: 256
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Dihydrofolate reductase, putative	A	256	Aspergillus flavus NRRL3357	Mutation(s): 0 Gene Names: AFLA_046100 EC: 1.5.1.3
UniProt
Find proteins for B8NBN5 (Aspergillus flavus (strain ATCC 200026 / FGSC A1120 / IAM 13836 / NRRL 3357 / JCM 12722 / SRRC 167)) Explore B8NBN5 Go to UniProtKB: B8NBN5
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	B8NBN5
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
NAP Query on NAP Download:Ideal Coordinates CCD File SDF format, chain H [auth A] MOL2 format, chain H [auth A] mmCIF format, chain H [auth A]	H [auth A]	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C₂₁ H₂₈ N₇ O₁₇ P₃ XJLXINKUBYWONI-NNYOXOHSSA-N		Interactions Focus chain H [auth A] Interactions & Density Focus chain H [auth A]
H8A Query on H8A Download:Ideal Coordinates CCD File SDF format, chain G [auth A] MOL2 format, chain G [auth A] mmCIF format, chain G [auth A]	G [auth A]	3-{[(3R)-7,9-diamino-3-methyl-2,3-dihydrofuro[2,3-f]quinazolin-4-yl]oxy}benzonitrile C₁₈ H₁₅ N₅ O₂ XWYWWNRDHWMQAL-VIFPVBQESA-N		Interactions Focus chain G [auth A] Interactions & Density Focus chain G [auth A]
SO4 Query on SO4 Download:Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain E [auth A] SDF format, chain D [auth A] SDF format, chain C [auth A] SDF format, chain B [auth A] MOL2 format, chain F [auth A] MOL2 format, chain E [auth A] MOL2 format, chain D [auth A] MOL2 format, chain C [auth A] MOL2 format, chain B [auth A] mmCIF format, chain F [auth A] mmCIF format, chain E [auth A] mmCIF format, chain D [auth A] mmCIF format, chain C [auth A] mmCIF format, chain B [auth A]	B [auth A], C [auth A], D [auth A], E [auth A], F [auth A]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain B [auth A] Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Interactions & Density Focus chain B [auth A] Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A]