6IBK | pdb_00006ibk

Crystal structure of human alpha-galactosidase A in complex with alpha-galactose configured cyclosulfamidate ME763


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.99 Å
  • R-Value Free: 
    0.244 (Depositor), 0.248 (DCC) 
  • R-Value Work: 
    0.185 (Depositor), 0.195 (DCC) 
  • R-Value Observed: 
    0.188 (Depositor) 

Starting Model: experimental
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Ligand Structure Quality Assessment 


This is version 2.2 of the entry. See complete history

Literature

Alpha-d-Gal-cyclophellitol cyclosulfamidate is a Michaelis complex analog that stabilizes therapeutic lysosomal alpha-galactosidase A in Fabry disease

Artola, M.Hedberg, C.Rowland, R.J.Wu, L.Raich, L.Ferraz, M.J.Kytidou, K.Marel, G.A.Codee, J.D.C.Rovira, C.Aerts, J.M.F.G.Davies, G.J.Overkleeft, H.S.

(2019) Chem Sci 

Macromolecule Content 

  • Total Structure Weight: 97.12 kDa 
  • Atom Count: 6,966 
  • Modeled Residue Count: 782 
  • Deposited Residue Count: 796 
  • Unique protein chains: 1

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
Alpha-galactosidase A
A, B
398Homo sapiensMutation(s): 0 
Gene Names: GLA
EC: 3.2.1.22
UniProt & NIH Common Fund Data Resources
Find proteins for P06280 (Homo sapiens)
Explore P06280 
Go to UniProtKB:  P06280
PHAROS:  P06280
GTEx:  ENSG00000102393 
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP06280
Glycosylation
Glycosylation Sites: 3Go to GlyGen: P06280-1
Sequence Annotations
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Reference Sequence

Oligosaccharides

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Entity ID: 2
MoleculeChains Length2D Diagram GlycosylationD Interactions
alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
C
4N-Glycosylation
Glycosylation Resources
GlyTouCan: G81315DD
GlyCosmos: G81315DD
GlyGen: G81315DD
Entity ID: 3
MoleculeChains Length2D Diagram GlycosylationD Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
D
3N-Glycosylation
Glycosylation Resources
GlyTouCan: G15407YE
GlyCosmos: G15407YE
GlyGen: G15407YE
Entity ID: 4
MoleculeChains Length2D Diagram GlycosylationD Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
E, F
2N-Glycosylation
Glycosylation Resources
GlyTouCan: G42666HT
GlyCosmos: G42666HT
GlyGen: G42666HT
Entity ID: 5
MoleculeChains Length2D Diagram GlycosylationD Interactions
alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
G
5N-Glycosylation
Glycosylation Resources
GlyTouCan: G22768VO
GlyCosmos: G22768VO
GlyGen: G22768VO

Small Molecules

Ligands 6 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
YTW
(Subject of Investigation/LOI)

Query on YTW



Download:Ideal Coordinates CCD File
MA [auth B],
W [auth A]
(3~{a}~{R},4~{S},5~{S},6~{S},7~{R},7~{a}~{S})-7-(hydroxymethyl)-2,2-bis(oxidanylidene)-3~{a},4,5,6,7,7~{a}-hexahydro-3~{H}-benzo[d][1,2,3]oxathiazole-4,5,6-triol
C7 H13 N O7 S
LDXSPHJOJCEWFB-MREPKMFUSA-N
NAG

Query on NAG



Download:Ideal Coordinates CCD File
AA [auth B]2-acetamido-2-deoxy-beta-D-glucopyranose
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
PEG

Query on PEG



Download:Ideal Coordinates CCD File
NA [auth B],
OA [auth B],
X [auth A],
Y [auth A],
Z [auth A]
DI(HYDROXYETHYL)ETHER
C4 H10 O3
MTHSVFCYNBDYFN-UHFFFAOYSA-N
SO4

Query on SO4



Download:Ideal Coordinates CCD File
DA [auth B]
EA [auth B]
FA [auth B]
GA [auth B]
HA [auth B]
DA [auth B],
EA [auth B],
FA [auth B],
GA [auth B],
HA [auth B],
I [auth A],
J [auth A],
K [auth A],
L [auth A],
M [auth A],
N [auth A]
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
EDO

Query on EDO



Download:Ideal Coordinates CCD File
IA [auth B]
JA [auth B]
KA [auth B]
LA [auth B]
O [auth A]
IA [auth B],
JA [auth B],
KA [auth B],
LA [auth B],
O [auth A],
P [auth A],
Q [auth A],
R [auth A],
S [auth A],
T [auth A],
U [auth A],
V [auth A]
1,2-ETHANEDIOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
ACT

Query on ACT



Download:Ideal Coordinates CCD File
BA [auth B],
CA [auth B],
H [auth A]
ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.99 Å
  • R-Value Free:  0.244 (Depositor), 0.248 (DCC) 
  • R-Value Work:  0.185 (Depositor), 0.195 (DCC) 
  • R-Value Observed: 0.188 (Depositor) 
Space Group: P 32 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 90.57α = 90
b = 90.57β = 90
c = 216.46γ = 120
Software Package:
Software NamePurpose
REFMACrefinement
xia2data reduction
Aimlessdata scaling
MOLREPphasing

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 


Entry History 

& Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Biotechnology and Biological Sciences Research CouncilUnited Kingdom--

Revision History  (Full details and data files)

  • Version 1.0: 2019-10-09
    Type: Initial release
  • Version 2.0: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Atomic model, Data collection, Derived calculations, Structure summary
  • Version 2.1: 2024-01-24
    Changes: Data collection, Database references, Derived calculations, Refinement description, Structure summary
  • Version 2.2: 2024-10-16
    Changes: Structure summary