5IMS

Saccharomyces cerevisiae acetohydroxyacid synthase

PDB DOI: https://doi.org/10.2210/pdb5IMS/pdb

Classification: TRANSFERASE
Organism(s): Saccharomyces cerevisiae S288C
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2016-03-06 Released: 2017-02-15
Deposition Author(s): Guddat, L.W., Lonhienne, T.
Funding Organization(s): HNMRC

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.98 Å
R-Value Free: 0.193
R-Value Work: 0.166
R-Value Observed: 0.166

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

A hidden redox cycle controls catalysis in acetohydroxyacid synthase

Guddat, L.W., Lonhienne, T.

To be published.

Macromolecule Content

Total Structure Weight: 150.3 kDa
Atom Count: 9,452
Modelled Residue Count: 1,108
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 S288C	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 7 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
FAD Query on FAD 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]	FLAVIN-ADENINE DINUCLEOTIDE C₂₇ H₃₃ N₉ O₁₅ P₂ VWWQXMAJTJZDQX-UYBVJOGSSA-N		Interactions Focus chain D [auth A] Focus chain L [auth B] Interactions & Density Focus chain D [auth A] Focus chain L [auth B]
TPP Query on TPP Download Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain N [auth B] MOL2 format, chain F [auth A] MOL2 format, chain N [auth B] mmCIF format, chain F [auth A] mmCIF format, chain N [auth B]	F [auth A], N [auth B]	THIAMINE DIPHOSPHATE C₁₂ H₁₉ N₄ O₇ P₂ S AYEKOFBPNLCAJY-UHFFFAOYSA-O		Interactions Focus chain F [auth A] Focus chain N [auth B] Interactions & Density Focus chain F [auth A] Focus chain N [auth B]
PO4 Query on PO4 Download Ideal Coordinates CCD File SDF format, chain U [auth B] MOL2 format, chain U [auth B] mmCIF format, chain U [auth B]	U [auth B]	PHOSPHATE ION O₄ P NBIIXXVUZAFLBC-UHFFFAOYSA-K		Interactions Focus chain U [auth B] Interactions & Density Focus chain U [auth B]
ACT Query on ACT Download Ideal Coordinates CCD File SDF format, chain J [auth A] SDF format, chain V [auth B] SDF format, chain W [auth B] MOL2 format, chain J [auth A] MOL2 format, chain V [auth B] MOL2 format, chain W [auth B] mmCIF format, chain J [auth A] mmCIF format, chain V [auth B] mmCIF format, chain W [auth B]	J [auth A], V [auth B], W [auth B]	ACETATE ION C₂ H₃ O₂ QTBSBXVTEAMEQO-UHFFFAOYSA-M		Interactions Focus chain J [auth A] Focus chain V [auth B] Focus chain W [auth B] Interactions & Density Focus chain J [auth A] Focus chain V [auth B] Focus chain W [auth B]
K Query on K Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain K [auth B] MOL2 format, chain C [auth A] MOL2 format, chain K [auth B] mmCIF format, chain C [auth A] mmCIF format, chain K [auth B]	C [auth A], K [auth B]	POTASSIUM ION K NPYPAHLBTDXSSS-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]
OXY Query on OXY Download Ideal Coordinates CCD File SDF format, chain G [auth A] SDF format, chain H [auth A] SDF format, chain I [auth A] SDF format, chain O [auth B] SDF format, chain P [auth B] SDF format, chain Q [auth B] SDF format, chain R [auth B] SDF format, chain S [auth B] SDF format, chain T [auth B] MOL2 format, chain G [auth A] MOL2 format, chain H [auth A] MOL2 format, chain I [auth A] MOL2 format, chain O [auth B] MOL2 format, chain P [auth B] MOL2 format, chain Q [auth B] MOL2 format, chain R [auth B] MOL2 format, chain S [auth B] MOL2 format, chain T [auth B] mmCIF format, chain G [auth A] mmCIF format, chain H [auth A] mmCIF format, chain I [auth A] mmCIF format, chain O [auth B] mmCIF format, chain P [auth B] mmCIF format, chain Q [auth B] mmCIF format, chain R [auth B] mmCIF format, chain S [auth B] mmCIF format, chain T [auth B]	G [auth A] H [auth A] I [auth A] O [auth B] P [auth B] G [auth A], H [auth A], I [auth A], O [auth B], P [auth B], Q [auth B], R [auth B], S [auth B], T [auth B]	OXYGEN MOLECULE O₂ MYMOFIZGZYHOMD-UHFFFAOYSA-N		Interactions Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A] Focus chain O [auth B] Focus chain P [auth B] Focus chain Q [auth B] Focus chain R [auth B] Focus chain S [auth B] Focus chain T [auth B] Interactions & Density Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A] Focus chain O [auth B] Focus chain P [auth B] Focus chain Q [auth B] Focus chain R [auth B] Focus chain S [auth B] Focus chain T [auth B]
MG Query on MG Download Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain M [auth B] MOL2 format, chain E [auth A] MOL2 format, chain M [auth B] mmCIF format, chain E [auth A] mmCIF format, chain M [auth B]	E [auth A], M [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain E [auth A] Focus chain M [auth B] Interactions & Density Focus chain E [auth A] Focus chain M [auth B]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.98 Å
R-Value Free: 0.193
R-Value Work: 0.166
R-Value Observed: 0.166
Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 95.683	α = 90
b = 110.18	β = 90
c = 180.005	γ = 90

Software Package:

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

Structure Validation

View Full Validation Report

Ligand Structure Quality Assessment

Entry History & Funding Information

Deposition Data

Released Date: 2017-02-15

Deposition Author(s):

Guddat, L.W.

Lonhienne, T.

Funding Organization	Location	Grant Number
HNMRC		--

Revision History (Full details and data files)

Version 1.0: 2017-02-15
Type: Initial release
Version 1.1: 2023-09-27
Changes: Data collection, Database references, Derived calculations, Refinement description