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- PDB-1k4v: 1.53 A Crystal Structure of the Beta-Galactoside-alpha-1,3-galact... -

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Basic information

Entry
Database: PDB / ID: 1k4v
Title1.53 A Crystal Structure of the Beta-Galactoside-alpha-1,3-galactosyltransferase in Complex with UDP
ComponentsN-ACETYLLACTOSAMINIDE ALPHA-1,3-GALACTOSYLTRANSFERASE
KeywordsTRANSFERASE / Alpha-1 / 3-Galactosyltransferase-UDP COMPLEX
Function / homology
Function and homology information


N-acetyllactosaminide 3-alpha-galactosyltransferase / N-acetyllactosaminide 3-alpha-galactosyltransferase activity / Golgi cisterna / lipid glycosylation / Golgi cisterna membrane / glycosyltransferase activity / protein glycosylation / 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
: / URIDINE-5'-DIPHOSPHATE / N-acetyllactosaminide alpha-1,3-galactosyltransferase
Similarity search - Component
Biological speciesBos taurus (cattle)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.53 Å
AuthorsBoix, E. / Swaminathan, G.J. / Zhang, Y. / Natesh, R. / Brew, K. / Acharya, K.R.
CitationJournal: 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
DepositionOct 9, 2001Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 10, 2002Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.3Aug 16, 2023Group: Advisory / Data collection ...Advisory / Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / diffrn_source / pdbx_database_remark / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _diffrn_source.pdbx_synchrotron_site / _pdbx_database_remark.text / _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 / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Remark 600HETEROGEN UDP 401 and GOL 404 correspond to chain A and, UDP 1401 and GOL 1404 correspond to chain B.
Remark 300 BIOMOLECULE: 1, 2 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT WHICH CONSISTS OF 2 ... BIOMOLECULE: 1, 2 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT WHICH CONSISTS OF 2 CHAIN(S). THE BIOLOGICAL UNIT IS A MONOMER. SEE REMARK 350 FOR INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S).

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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)69,2838
Polymers68,1802
Non-polymers1,1026
Water13,457747
1
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
2
B: 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
Unit cell
Length a, b, c (Å)45.022, 94.145, 94.382
Angle α, β, γ (deg.)90.00, 98.92, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein N-ACETYLLACTOSAMINIDE ALPHA-1,3-GALACTOSYLTRANSFERASE / GALACTOSYLTRANSFERASE


Mass: 34090.164 Da / Num. of mol.: 2 / Fragment: CATALYTIC DOMAIN (80-368)
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bos taurus (cattle) / Plasmid: pSV-SPORT / Production host: Escherichia coli (E. coli) / Strain (production host): DH5-ALPHA / References: UniProt: P14769, EC: 2.4.1.151
#2: Chemical ChemComp-MN / MANGANESE (II) ION


Mass: 54.938 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mn
#3: Chemical ChemComp-UDP / URIDINE-5'-DIPHOSPHATE / Uridine diphosphate


Type: RNA linking / Mass: 404.161 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C9H14N2O12P2 / Comment: UDP*YM
#4: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL / Glycerol


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


Mass: 18.015 Da / Num. of mol.: 747 / Source method: isolated from a natural source / Formula: H2O

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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: 2.5 Å3/Da / Density % sol: 50.9 %
Description: THE SECOND MOLECULE IN THE ASYMMETRIC UNIT, NAMED AS B CHAIN HAS NUMBERS STARTING WITH 1000, IN ACCORDANCE WITH SHELXL CONVENTIONS.
Crystal growTemperature: 289 K / Method: vapor diffusion, hanging drop / pH: 8
Details: PEG6000, TRIS/HCL, pH 8, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Crystal grow
*PLUS
Temperature: 16 ℃ / pH: 6
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetailsChemical formula
15 mg/mlprotein1drop
220 mMMES/NaOH1droppH6.0
310 %glycerol1drop
410 mMUDP1drop
50.1 mM1dropMnCl2
65 %PEG60001reservoir
70.1 MTris-HCl1reservoirpH8.0

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: X11 / Wavelength: 0.909 Å
DetectorType: MARRESEARCH / Detector: IMAGE PLATE
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.909 Å / Relative weight: 1
ReflectionResolution: 1.53→40 Å / Num. all: 114924 / Num. obs: 114924 / % possible obs: 98.2 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3.37 % / Biso Wilson estimate: 14.319 Å2 / Rsym value: 0.106 / Net I/σ(I): 11.73
Reflection shellResolution: 1.53→1.58 Å / Mean I/σ(I) obs: 1.98 / Num. unique all: 10936 / Rsym value: 0.497 / % possible all: 93.8
Reflection
*PLUS
Num. measured all: 386939 / Rmerge(I) obs: 0.106
Reflection shell
*PLUS
% possible obs: 93.8 % / Rmerge(I) obs: 0.497

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Processing

Software
NameClassification
AMoREphasing
SHELXL-97refinement
DENZOdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1G93

1g93


Resolution: 1.53→40 Å / Num. parameters: 50327 / Num. restraintsaints: 61066 / Isotropic thermal model: ANISOTROPIC / Cross valid method: Free R / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.1906 1133 -RANDOM
Rwork0.1405 ---
all-114924 --
obs-114889 97.2 %-
Solvent computationSolvent model: MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-228
Displacement parametersBiso mean: 17.05 Å2
Refine analyzeNum. disordered residues: 19 / Occupancy sum hydrogen: 4647 / Occupancy sum non hydrogen: 5567
Refinement stepCycle: LAST / Resolution: 1.53→40 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4786 0 64 747 5597
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONs_bond_d0.014
X-RAY DIFFRACTIONs_angle_d0.028
X-RAY DIFFRACTIONs_non_zero_chiral_vol
Software
*PLUS
Name: SHELXL / Version: 97 / Classification: refinement
Refinement
*PLUS
% reflection Rfree: 5 % / Rfactor obs: 0.1405 / Rfactor Rfree: 0.1906 / Rfactor Rwork: 0.1405
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONs_angle_d
X-RAY DIFFRACTIONs_angle_deg2.17
X-RAY DIFFRACTIONs_dihedral_angle_d
X-RAY DIFFRACTIONs_dihedral_angle_deg25.23
X-RAY DIFFRACTIONs_improper_angle_d
X-RAY DIFFRACTIONs_improper_angle_deg1.43

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