6BD3

Saccharomyces cerevisiae acetohydroxyacid synthase

PDB DOI: https://doi.org/10.2210/pdb6BD3/pdb
Entry: 6BD3 supersedes: 5INV

Classification: TRANSFERASE
Organism(s): Saccharomyces cerevisiae
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2017-10-21 Released: 2017-11-08
Deposition Author(s): Guddat, L.W., Lonhienne, T.
Funding Organization(s): National Health and Medical Research Council (NHMRC, Australia)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.28 Å
R-Value Free: 0.201
R-Value Work: 0.171
R-Value Observed: 0.172

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.4 of the entry. See complete history.

Literature

High resolution crystal structures of the acetohydroxyacid synthase-pyruvate complex provide new insights into its catalytic mechanism

Lonhienne, T., Garcia, M.D., Noble, C., Harmer, J., Fraser, J.A., Williams, C.M., Guddat, L.W.

(2017) ChemistrySelect

DOI: https://doi.org/10.1002/slct.201702128

Macromolecule Content

Total Structure Weight: 150.24 kDa
Atom Count: 8,823
Modelled Residue Count: 1,096
Deposited Residue Count: 1,354
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Acetolactate synthase catalytic subunit, mitochondrial	A, B	677	Saccharomyces cerevisiae	Mutation(s): 0 Gene Names: ILV2, SMR1, YMR108W, YM9718.07 EC: 2.2.1.6
UniProt
Find proteins for P07342 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P07342 Go to UniProtKB: P07342
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P07342
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 9 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
FAD Query on FAD Download Ideal Coordinates CCD File SDF format, chain I [auth A] SDF format, chain T [auth B] MOL2 format, chain I [auth A] MOL2 format, chain T [auth B]	I [auth A], T [auth B]	FLAVIN-ADENINE DINUCLEOTIDE C₂₇ H₃₃ N₉ O₁₅ P₂ VWWQXMAJTJZDQX-UYBVJOGSSA-N		Interactions Focus chain I [auth A] Focus chain T [auth B] Interactions & Density Focus chain I [auth A] Focus chain T [auth B]
HTL Query on HTL Download Ideal Coordinates CCD File SDF format, chain L [auth B] MOL2 format, chain L [auth B]	L [auth B]	2-ACETYL-THIAMINE DIPHOSPHATE C₁₄ H₂₁ N₄ O₈ P₂ S GYRGKLZCJRVYRV-UHFFFAOYSA-O		Interactions Focus chain L [auth B] Interactions & Density Focus chain L [auth B]
TPP Query on TPP Download Ideal Coordinates CCD File SDF format, chain E [auth A] MOL2 format, chain E [auth A]	E [auth A]	THIAMINE DIPHOSPHATE C₁₂ H₁₉ N₄ O₇ P₂ S AYEKOFBPNLCAJY-UHFFFAOYSA-O		Interactions Focus chain E [auth A] Interactions & Density Focus chain E [auth A]
PO4 Query on PO4 Download Ideal Coordinates CCD File SDF format, chain S [auth B] MOL2 format, chain S [auth B]	S [auth B]	PHOSPHATE ION O₄ P NBIIXXVUZAFLBC-UHFFFAOYSA-K		Interactions Focus chain S [auth B] Interactions & Density Focus chain S [auth B]
ACT Query on ACT Download Ideal Coordinates CCD File SDF format, chain U [auth B] MOL2 format, chain U [auth B]	U [auth B]	ACETATE ION C₂ H₃ O₂ QTBSBXVTEAMEQO-UHFFFAOYSA-M		Interactions Focus chain U [auth B] Interactions & Density Focus chain U [auth B]
CO2 Query on CO2 Download Ideal Coordinates CCD File SDF format, chain H [auth A] MOL2 format, chain H [auth A]	H [auth A]	CARBON DIOXIDE C O₂ CURLTUGMZLYLDI-UHFFFAOYSA-N		Interactions Focus chain H [auth A] Interactions & Density Focus chain H [auth A]
K Query on K Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain J [auth B] MOL2 format, chain C [auth A] MOL2 format, chain J [auth B]	C [auth A], J [auth B]	POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain J [auth B] Interactions & Density Focus chain C [auth A] Focus chain J [auth B]
OXY Query on OXY Download Ideal Coordinates CCD File SDF format, chain O [auth B] SDF format, chain F [auth A] SDF format, chain G [auth A] SDF format, chain M [auth B] SDF format, chain N [auth B] SDF format, chain P [auth B] SDF format, chain Q [auth B] SDF format, chain R [auth B] MOL2 format, chain O [auth B] MOL2 format, chain F [auth A] MOL2 format, chain G [auth A] MOL2 format, chain M [auth B] MOL2 format, chain N [auth B] MOL2 format, chain P [auth B] MOL2 format, chain Q [auth B] MOL2 format, chain R [auth B]	F [auth A] G [auth A] M [auth B] N [auth B] O [auth B] F [auth A], G [auth A], M [auth B], N [auth B], O [auth B], P [auth B], Q [auth B], R [auth B]	OXYGEN MOLECULE O₂ MYMOFIZGZYHOMD-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Focus chain G [auth A] Focus chain M [auth B] Focus chain N [auth B] Focus chain O [auth B] Focus chain P [auth B] Focus chain Q [auth B] Focus chain R [auth B] Interactions & Density Focus chain F [auth A] Focus chain G [auth A] Focus chain M [auth B] Focus chain N [auth B] Focus chain O [auth B] Focus chain P [auth B] Focus chain Q [auth B] Focus chain R [auth B]
MG Query on MG Download Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain K [auth B] MOL2 format, chain D [auth A] MOL2 format, chain K [auth B]	D [auth A], K [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Focus chain K [auth B] Interactions & Density Focus chain D [auth A] Focus chain K [auth B]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.28 Å
R-Value Free: 0.201
R-Value Work: 0.171
R-Value Observed: 0.172
Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 95.898	α = 90
b = 108.766	β = 90
c = 180.001	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHENIX	phasing

Structure Validation

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Ligand Structure Quality Assessment

Entry History & Funding Information

Deposition Data

Released Date: 2017-11-08

Deposition Author(s):

Guddat, L.W.

Lonhienne, T.

This entry supersedes: 5INV

Funding Organization	Location	Grant Number
National Health and Medical Research Council (NHMRC, Australia)	Australia	1087713

Revision History (Full details and data files)

Version 1.0: 2017-11-08
Type: Initial release
Version 1.1: 2017-12-06
Changes: Author supporting evidence
Version 1.2: 2019-05-22
Changes: Data collection, Database references
Version 1.3: 2020-01-08
Changes: Author supporting evidence
Version 1.4: 2024-03-13
Changes: Data collection, Database references, Derived calculations, Structure summary

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Help and Resources

6BD3

Saccharomyces cerevisiae acetohydroxyacid synthase

High resolution crystal structures of the acetohydroxyacid synthase-pyruvate complex provide new insights into its catalytic mechanism

Entity ID: 1

UniProt

Entity Groups

Sequence Annotations

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Experimental Data

Structure Validation

Ligand Structure Quality Assessment

Deposition Data

Revision History (Full details and data files)