3OOY

Crystal structure of human Transketolase (TKT)

PDB DOI: https://doi.org/10.2210/pdb3OOY/pdb

Classification: TRANSFERASE
Organism(s): Homo sapiens
Expression System: Trichoplusia ni
Mutation(s): No

Deposited: 2010-08-31 Released: 2010-11-17
Deposition Author(s): Krojer, T., Krysztofinska, E., Guo, K., Pilka, E., Kochan, G., Chaikuad, A., Vollmar, M., von Delft, F., Bountra, C., Arrowsmith, C.H., Weigelt, J., Edwards, A., Kavanagh, K., Oppermann, U., Structural Genomics Consortium (SGC)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.05 Å
R-Value Free: 0.234
R-Value Work: 0.199
R-Value Observed: 0.201

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 2.1 of the entry. See complete history.

Literature

Crystal structure of human Transketolase (TKT)

Krojer, T., Krysztofinska, E., Guo, K., Pilka, E., Kochan, G., Chaikuad, A., Vollmar, M., von Delft, F., Bountra, C., Arrowsmith, C.H., Weigelt, J., Edwards, A., Kavanagh, K., Oppermann, U.

To be published.

Macromolecule Content

Total Structure Weight: 135.82 kDa
Atom Count: 9,953
Modelled Residue Count: 1,226
Deposited Residue Count: 1,232
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transketolase	A, B	616	Homo sapiens	Mutation(s): 0 Gene Names: TKT EC: 2.2.1.1
UniProt & NIH Common Fund Data Resources
Find proteins for P29401 (Homo sapiens) Explore P29401 Go to UniProtKB: P29401
PHAROS: P29401 GTEx: ENSG00000163931
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P29401
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
TPP Query on TPP Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain H [auth B] MOL2 format, chain C [auth A] MOL2 format, chain H [auth B] mmCIF format, chain C [auth A] mmCIF format, chain H [auth B]	C [auth A], H [auth B]	THIAMINE DIPHOSPHATE C₁₂ H₁₉ N₄ O₇ P₂ S AYEKOFBPNLCAJY-UHFFFAOYSA-O		Interactions Focus chain C [auth A] Focus chain H [auth B] Interactions & Density Focus chain C [auth A] Focus chain H [auth B]
EDO Query on EDO Download Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain G [auth A] SDF format, chain L [auth B] SDF format, chain M [auth B] SDF format, chain N [auth B] MOL2 format, chain F [auth A] MOL2 format, chain G [auth A] MOL2 format, chain L [auth B] MOL2 format, chain M [auth B] MOL2 format, chain N [auth B] mmCIF format, chain F [auth A] mmCIF format, chain G [auth A] mmCIF format, chain L [auth B] mmCIF format, chain M [auth B] mmCIF format, chain N [auth B]	F [auth A], G [auth A], L [auth B], M [auth B], N [auth B]	1,2-ETHANEDIOL C₂ H₆ O₂ LYCAIKOWRPUZTN-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Focus chain G [auth A] Focus chain L [auth B] Focus chain M [auth B] Focus chain N [auth B] Interactions & Density Focus chain F [auth A] Focus chain G [auth A] Focus chain L [auth B] Focus chain M [auth B] Focus chain N [auth B]
ACT Query on ACT Download Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain J [auth B] SDF format, chain K [auth B] MOL2 format, chain E [auth A] MOL2 format, chain J [auth B] MOL2 format, chain K [auth B] mmCIF format, chain E [auth A] mmCIF format, chain J [auth B] mmCIF format, chain K [auth B]	E [auth A], J [auth B], K [auth B]	ACETATE ION C₂ H₃ O₂ QTBSBXVTEAMEQO-UHFFFAOYSA-M		Interactions Focus chain E [auth A] Focus chain J [auth B] Focus chain K [auth B] Interactions & Density Focus chain E [auth A] Focus chain J [auth B] Focus chain K [auth B]
CA Query on CA Download Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain I [auth B] MOL2 format, chain D [auth A] MOL2 format, chain I [auth B] mmCIF format, chain D [auth A] mmCIF format, chain I [auth B]	D [auth A], I [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Focus chain I [auth B] Interactions & Density Focus chain D [auth A] Focus chain I [auth B]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.05 Å
R-Value Free: 0.234
R-Value Work: 0.199
R-Value Observed: 0.201
Space Group: P 6₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 117.23	α = 90
b = 117.23	β = 90
c = 176.803	γ = 120

Software Package:

Software Name	Purpose
GDA	data collection
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

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Ligand Structure Quality Assessment

Entry History

Deposition Data

Released Date: 2010-11-17

Deposition Author(s):

Structural Genomics Consortium (SGC)

Revision History (Full details and data files)

Version 1.0: 2010-11-17
Type: Initial release
Version 1.1: 2011-07-13
Changes: Version format compliance
Version 1.2: 2014-02-19
Changes: Version format compliance
Version 2.0: 2021-08-04
Changes: Atomic model, Data collection, Database references, Derived calculations, Non-polymer description, Structure summary
Version 2.1: 2024-02-21
Changes: Data collection, Database references, Refinement description