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- PDB-1gx0: ALPHA-,1,3 GALACTOSYLTRANSFERASE - BETA-D-GALACTOSE COMPLEX -

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Basic information

Entry
Database: PDB / ID: 1gx0
TitleALPHA-,1,3 GALACTOSYLTRANSFERASE - BETA-D-GALACTOSE COMPLEX
ComponentsN-ACETYLLACTOSAMINIDE ALPHA-1,3-GALACTOSYLTRANSFERASE
KeywordsTRANSFERASE / GALACTOSYLTRANSFERASE / BLOOD GROUP SUGARS / LACTOSE / N-ACETYL LACTOSAMINE / GLYCOSYLTRANSFERASE
Function / homology
Function and homology information


N-acetyllactosaminide 3-alpha-galactosyltransferase / N-acetyllactosaminide 3-alpha-galactosyltransferase activity / Golgi cisterna / lipid glycosylation / Golgi cisterna membrane / protein glycosylation / glycosyltransferase activity / vesicle / carbohydrate metabolic process / Golgi apparatus / metal ion binding
Similarity search - Function
Glycosyl transferase, family 6 / Glycosyltransferase family 6 / Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A / Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A / Nucleotide-diphospho-sugar transferases / Alpha-Beta Complex / Alpha Beta
Similarity search - Domain/homology
beta-D-galactopyranose / : / URIDINE-5'-DIPHOSPHATE / N-acetyllactosaminide alpha-1,3-galactosyltransferase
Similarity search - Component
Biological speciesBOS TAURUS (domestic cattle)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.8 Å
AuthorsBoix, E. / Zhang, Y. / Swaminathan, G.J. / Brew, K. / Acharya, K.R.
Citation
Journal: J.Biol.Chem. / Year: 2002
Title: Structural Basis of Ordered Binding of Donor and Acceptor Substrates to the Retaining Glycosyltransferase, Alpha -1,3 Galactosyltransferase
Authors: Boix, E. / Zhang, Y. / Swaminathan, G.J. / Brew, K. / Acharya, K.R.
#1: Journal: J.Biol.Chem. / Year: 2001
Title: Structure of Udp Complex of Udp-Galactose:Beta-Galactoside-Alpha -1,3-Galactosyltransferase at 1.53-A Resolution Reveals a Conformational Change in the Catalytically Important C Terminus
Authors: Boix, E. / Swaminathan, G.J. / Zhang, Y. / Natesh, R. / Brew, K. / Acharya, K.R.
History
DepositionMar 26, 2002Deposition site: PDBE / Processing site: PDBE
Revision 1.0Mar 20, 2003Provider: repository / Type: Initial release
Revision 1.1Oct 19, 2011Group: Derived calculations / Non-polymer description ...Derived calculations / Non-polymer description / Other / Refinement description / Source and taxonomy / Structure summary / Version format compliance
Revision 1.2Jul 29, 2020Group: Data collection / Derived calculations / Structure summary
Category: chem_comp / entity ...chem_comp / entity / pdbx_chem_comp_identifier / pdbx_entity_nonpoly / pdbx_struct_conn_angle / struct_conn / struct_site / struct_site_gen
Item: _chem_comp.name / _chem_comp.type ..._chem_comp.name / _chem_comp.type / _entity.pdbx_description / _pdbx_entity_nonpoly.name / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 1.3Dec 13, 2023Group: Data collection / Database references ...Data collection / Database references / Refinement description / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: N-ACETYLLACTOSAMINIDE ALPHA-1,3-GALACTOSYLTRANSFERASE
B: N-ACETYLLACTOSAMINIDE ALPHA-1,3-GALACTOSYLTRANSFERASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)69,4639
Polymers68,1802
Non-polymers1,2837
Water8,953497
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A: N-ACETYLLACTOSAMINIDE ALPHA-1,3-GALACTOSYLTRANSFERASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)34,6414
Polymers34,0901
Non-polymers5513
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
B: N-ACETYLLACTOSAMINIDE ALPHA-1,3-GALACTOSYLTRANSFERASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)34,8225
Polymers34,0901
Non-polymers7314
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)45.059, 94.277, 94.364
Angle α, β, γ (deg.)90.00, 99.09, 90.00
Int Tables number4
Space group name H-MP1211

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Components

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Protein / Sugars , 2 types, 3 molecules AB

#1: Protein N-ACETYLLACTOSAMINIDE ALPHA-1,3-GALACTOSYLTRANSFERASE / GALACTOSYLTRANSFERASE / UDP-GALACTOSE\: BETA-D-GALACTOSYL-1 / 4-N-ACETYL-D-GLUCOSAMINIDE ALPHA-1 / ...GALACTOSYLTRANSFERASE / UDP-GALACTOSE\: BETA-D-GALACTOSYL-1 / 4-N-ACETYL-D-GLUCOSAMINIDE ALPHA-1 / 3-GALACTOSYLTRANSFERASE


Mass: 34090.164 Da / Num. of mol.: 2 / Fragment: CATALYTIC DOMAIN, RESIDUES 80-368
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) BOS TAURUS (domestic cattle) / Plasmid: PSV-SPORT / Production host: ESCHERICHIA COLI (E. coli) / Variant (production host): DH5[ALPHA] / References: UniProt: P14769, EC: 2.4.1.151
#5: Sugar ChemComp-GAL / beta-D-galactopyranose / beta-D-galactose / D-galactose / galactose


Type: D-saccharide, beta linking / Mass: 180.156 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Formula: C6H12O6
IdentifierTypeProgram
DGalpbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
b-D-galactopyranoseCOMMON NAMEGMML 1.0
b-D-GalpIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GalSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 4 types, 503 molecules

#2: Chemical ChemComp-UDP / URIDINE-5'-DIPHOSPHATE


Type: RNA linking / Mass: 404.161 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C9H14N2O12P2 / Comment: UDP*YM
#3: Chemical ChemComp-MN / MANGANESE (II) ION


Mass: 54.938 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mn
#4: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H8O3
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 497 / Source method: isolated from a natural source / Formula: H2O

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Details

Compound detailsCATALYSES THE TRANSFER OF GALACTOSE FROM UDP-GALACTOSE TO AN ACCEPTOR MOLECULE. UDP-GALACTOSE + ...CATALYSES THE TRANSFER OF GALACTOSE FROM UDP-GALACTOSE TO AN ACCEPTOR MOLECULE. UDP-GALACTOSE + BETA-D-GALACTOSYL-(1,4)-N- ACETYL-D-GLUCOSAMINYL-R = UDP + ALPHA-D-GALACTOSYL-(1,3)-BETA-D- GALACTOSYL-(1,4)-N-ACETYL-D-GLUCOSAMINYL-R.

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.6 Å3/Da / Density % sol: 57.63 %
Crystal growpH: 8.5 / Details: PEG6000, TRIS/HCL, pH 8.50
Crystal grow
*PLUS
Temperature: 16 ℃ / pH: 6 / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetailsChemical formula
120 mMMES-NaOH1droppH6.0
210 %glycerol1drop
310 mMUDP-Gal1drop
40.1 mM1dropMnCl2
55 %PEG60001reservoir
60.1 MTris-HCl1reservoirpH8.0

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SRS / Beamline: PX9.6 / Wavelength: 0.87
DetectorType: ADSC CCD / Detector: CCD / Date: Apr 15, 2001 / Details: MIRRORS
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.87 Å / Relative weight: 1
ReflectionResolution: 1.8→40 Å / Num. obs: 69116 / % possible obs: 95.9 % / Redundancy: 9 % / Biso Wilson estimate: 20.2 Å2 / Rmerge(I) obs: 0.064 / Net I/σ(I): 12
Reflection shellResolution: 1.8→1.86 Å / Redundancy: 4.5 % / Rmerge(I) obs: 0.388 / Mean I/σ(I) obs: 2.3 / % possible all: 88.8
Reflection
*PLUS
Highest resolution: 1.8 Å / Lowest resolution: 24 Å / Num. obs: 72098 / Num. measured all: 280613
Reflection shell
*PLUS
Highest resolution: 1.8 Å / % possible obs: 88.8 % / Mean I/σ(I) obs: 2.1

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Processing

Software
NameVersionClassification
CNS1.1refinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1K4V

1k4v


Resolution: 1.8→24.19 Å / Rfactor Rfree error: 0.004 / Data cutoff high absF: 1170138.46 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.211 3517 5.1 %RANDOM
Rwork0.189 ---
obs0.189 69093 96.2 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 50.847 Å2 / ksol: 0.373419 e/Å3
Displacement parametersBiso mean: 24.5 Å2
Baniso -1Baniso -2Baniso -3
1--0.68 Å20 Å2-4.88 Å2
2--5.31 Å20 Å2
3----4.63 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.22 Å0.19 Å
Luzzati d res low-5 Å
Luzzati sigma a0.18 Å0.17 Å
Refinement stepCycle: LAST / Resolution: 1.8→24.19 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4786 0 76 497 5359
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.3
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d23
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.76
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it1.091.5
X-RAY DIFFRACTIONc_mcangle_it1.612
X-RAY DIFFRACTIONc_scbond_it1.82
X-RAY DIFFRACTIONc_scangle_it2.642.5
LS refinement shellResolution: 1.8→1.91 Å / Rfactor Rfree error: 0.012 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.276 542 5 %
Rwork0.261 10324 -
obs--91.2 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2WATER_REP.PARAMWATER.TOP
X-RAY DIFFRACTION3ION.PARAMION.TOP
X-RAY DIFFRACTION4GLB.PARGLB.TOP
Refinement
*PLUS
Highest resolution: 1.8 Å / Lowest resolution: 24 Å / % reflection Rfree: 5 %
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.005
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg23
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg0.8
LS refinement shell
*PLUS
Lowest resolution: 1.86 Å

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