1LK9

The Three-dimensional Structure of Alliinase from Garlic


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.53 Å
  • R-Value Free: 0.221 
  • R-Value Work: 0.193 

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This is version 2.0 of the entry. See complete history


Literature

The active principle of garlic at atomic resolution

Kuettner, E.B.Hilgenfeld, R.Weiss, M.S.

(2002) J Biol Chem 277: 46402-46407

  • DOI: https://doi.org/10.1074/jbc.M208669200
  • Primary Citation of Related Structures:  
    1LK9

  • PubMed Abstract: 

    Despite the fact that many cultures around the world value and utilize garlic as a fundamental component of their cuisine as well as of their medicine cabinets, relatively little is known about the plant's protein configuration that is responsible for the specific properties of garlic. Here, we report the three-dimensional structure of the garlic enzyme alliinase at 1.5 A resolution. Alliinase constitutes the major protein component in garlic bulbs, and it is able to cleave carbon-sulfur bonds. The active enzyme is a pyridoxal-5'-phosphate-dependent homodimeric glycoprotein and belongs to the class I family of pyridoxal-5'-phosphate-dependent enzymes. In addition, it contains a novel epidermal growth factor-like domain that makes it unique among all pyridoxal-5'-phosphate-dependent enzymes.


  • Organizational Affiliation

    Department of Structural Biology and Crystallography, Institute of Molecular Biotechnology, Beutenbergstrasse 11, D-07745 Jena, Germany.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
ALLIIN LYASE
A, B
448Allium sativumMutation(s): 0 
EC: 4.4.1.4
UniProt
Find proteins for Q01594 (Allium sativum)
Explore Q01594 
Go to UniProtKB:  Q01594
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ01594
Glycosylation
Glycosylation Sites: 2
Sequence Annotations
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  • Reference Sequence
Oligosaccharides

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Entity ID: 2
MoleculeChains Length2D Diagram Glycosylation3D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-3)]2-acetamido-2-deoxy-beta-D-glucopyranose
C
4N-Glycosylation
Glycosylation Resources
GlyTouCan:  G18638YB
GlyCosmos:  G18638YB
GlyGen:  G18638YB
Entity ID: 3
MoleculeChains Length2D Diagram Glycosylation3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
D, F
2N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT
GlyCosmos:  G42666HT
GlyGen:  G42666HT
Entity ID: 4
MoleculeChains Length2D Diagram Glycosylation3D Interactions
alpha-L-fucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose
E
2N-Glycosylation
Glycosylation Resources
GlyTouCan:  G80587NA
GlyCosmos:  G80587NA
GlyGen:  G80587NA
Small Molecules
Ligands 5 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
PLP
Query on PLP

Download Ideal Coordinates CCD File 
N [auth A],
W [auth B]
PYRIDOXAL-5'-PHOSPHATE
C8 H10 N O6 P
NGVDGCNFYWLIFO-UHFFFAOYSA-N
EPE
Query on EPE

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O [auth A],
P [auth A]
4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
C8 H18 N2 O4 S
JKMHFZQWWAIEOD-UHFFFAOYSA-N
SO4
Query on SO4

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G [auth A]
H [auth A]
I [auth A]
J [auth A]
K [auth A]
G [auth A],
H [auth A],
I [auth A],
J [auth A],
K [auth A],
L [auth A],
Q [auth B],
R [auth B],
S [auth B],
T [auth B],
U [auth B]
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
DHA
Query on DHA

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X [auth B]2-AMINO-ACRYLIC ACID
C3 H5 N O2
UQBOJOOOTLPNST-UHFFFAOYSA-N
CL
Query on CL

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M [auth A],
V [auth B]
CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.53 Å
  • R-Value Free: 0.221 
  • R-Value Work: 0.193 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 68.45α = 90
b = 101.07β = 90
c = 155.69γ = 90
Software Package:
Software NamePurpose
DENZOdata reduction
TRUNCATEdata reduction
MLPHAREphasing
REFMACrefinement
CCP4data scaling

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2002-12-11
    Type: Initial release
  • Version 1.1: 2008-04-28
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Non-polymer description, Version format compliance
  • Version 2.0: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary