6FRD | pdb_00006frd

Crystal structure of T. brucei PDE-B1 catalytic domain with inhibitor NPD-637

PDB DOI: https://doi.org/10.2210/pdb6FRD/pdb

Classification: HYDROLASE
Organism(s): Trypanosoma brucei
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2018-02-15 Released: 2019-03-13
Deposition Author(s): Singh, A.K., Brown, D.G.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.20 Å
R-Value Free:
0.209 (Depositor), 0.215 (DCC)
R-Value Work:
0.169 (Depositor), 0.177 (DCC)
R-Value Observed:
0.171 (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

Crystal structure of T. brucei PDE-B1 catalytic domain with inhibitor NPD-637

Singh, A.K., Brown, D.G.

To be published.

Macromolecule Content

Total Structure Weight: 82.38 kDa
Atom Count: 5,517
Modeled Residue Count: 663
Deposited Residue Count: 720
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Phosphodiesterase	A, B	360	Trypanosoma brucei	Mutation(s): 0 Gene Names: PDEB1 EC: 3.1.4
UniProt
Find proteins for Q8WQX9 (Trypanosoma brucei) Explore Q8WQX9 Go to UniProtKB: Q8WQX9
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q8WQX9
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
E3Q Query on E3Q Download:Ideal Coordinates CCD File SDF format, chain P [auth B] MOL2 format, chain P [auth B] mmCIF format, chain P [auth B]	P [auth B]	1-cycloheptyl-3-{4-methoxy-3-[(2-methoxyphenyl)methoxy]phenyl}-4,4-dimethyl-4,5-dihydro- 1H-pyrazol-5-one C₂₇ H₃₄ N₂ O₄ KQFIOHKLWWEPIB-UHFFFAOYSA-N		Interactions Focus chain P [auth B] Interactions & Density Focus chain P [auth B]
ZN Query on ZN Download:Ideal Coordinates CCD File SDF format, chain K [auth B] SDF format, chain C [auth A] MOL2 format, chain K [auth B] MOL2 format, chain C [auth A] mmCIF format, chain K [auth B] mmCIF format, chain C [auth A]	C [auth A], K [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain K [auth B] Interactions & Density Focus chain C [auth A] Focus chain K [auth B]
GAI Query on GAI Download:Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain F [auth A] SDF format, chain G [auth A] SDF format, chain J [auth A] SDF format, chain M [auth B] SDF format, chain N [auth B] SDF format, chain O [auth B] MOL2 format, chain E [auth A] MOL2 format, chain F [auth A] MOL2 format, chain G [auth A] MOL2 format, chain J [auth A] MOL2 format, chain M [auth B] MOL2 format, chain N [auth B] MOL2 format, chain O [auth B] mmCIF format, chain E [auth A] mmCIF format, chain F [auth A] mmCIF format, chain G [auth A] mmCIF format, chain J [auth A] mmCIF format, chain M [auth B] mmCIF format, chain N [auth B] mmCIF format, chain O [auth B]	E [auth A] F [auth A] G [auth A] J [auth A] M [auth B] E [auth A], F [auth A], G [auth A], J [auth A], M [auth B], N [auth B], O [auth B]	GUANIDINE C H₅ N₃ ZRALSGWEFCBTJO-UHFFFAOYSA-N		Interactions Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Focus chain J [auth A] Focus chain M [auth B] Focus chain N [auth B] Focus chain O [auth B] Interactions & Density Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Focus chain J [auth A] Focus chain M [auth B] Focus chain N [auth B] Focus chain O [auth B]
FMT Query on FMT Download:Ideal Coordinates CCD File SDF format, chain H [auth A] SDF format, chain I [auth A] MOL2 format, chain H [auth A] MOL2 format, chain I [auth A] mmCIF format, chain H [auth A] mmCIF format, chain I [auth A]	H [auth A], I [auth A]	FORMIC ACID C H₂ O₂ BDAGIHXWWSANSR-UHFFFAOYSA-N		Interactions Focus chain H [auth A] Focus chain I [auth A] Interactions & Density Focus chain H [auth A] Focus chain I [auth A]
MG Query on MG Download:Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain L [auth B] MOL2 format, chain D [auth A] MOL2 format, chain L [auth B] mmCIF format, chain D [auth A] mmCIF format, chain L [auth B]	D [auth A], L [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Focus chain L [auth B] Interactions & Density Focus chain D [auth A] Focus chain L [auth B]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.20 Å
R-Value Free: 0.209 (Depositor), 0.215 (DCC)
R-Value Work: 0.169 (Depositor), 0.177 (DCC)
R-Value Observed: 0.171 (Depositor)

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 113.98	α = 90
b = 113.48	β = 107.89
c = 68.22	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

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Ligand Structure Quality Assessment

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Entry History

Deposition Data

Released Date: 2019-03-13

Deposition Author(s):

Singh, A.K.

Brown, D.G.

Revision History (Full details and data files)

Version 1.0: 2019-03-13
Type: Initial release
Version 1.1: 2024-01-17
Changes: Data collection, Database references, Derived calculations, Refinement description