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- PDB-1pzy: W314A-BETA1,4-GALACTOSYLTRANSFERASE-I COMPLEXED WITH ALPHA-LACTAL... -

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Basic information

Entry
Database: PDB / ID: 1pzy
TitleW314A-BETA1,4-GALACTOSYLTRANSFERASE-I COMPLEXED WITH ALPHA-LACTALBUMIN IN THE PRESENCE OF N-ACETYLGLUCOSAMINE, UDP AND MANGANESE
Components
  • ALPHA-LACTALBUMIN
  • BETA-1,4-GALACTOSYLTRANSFERASE
KeywordsTRANSFERASE ACTIVATOR/TRANSFERASE / Beta1 / 4-Galactosyltransferase-I Tryptophan Mutant / Flexible loop Conformation / Protease Digetion / Substrate Binding / Catalytic Mechanism / TRANSFERASE ACTIVATOR-TRANSFERASE COMPLEX
Function / homology
Function and homology information


Lactose synthesis / protein galactosylation / Keratan sulfate biosynthesis / Interaction With Cumulus Cells And The Zona Pellucida / Lactose synthesis / N-Glycan antennae elongation / lactose synthase / neolactotriaosylceramide beta-1,4-galactosyltransferase / beta-N-acetylglucosaminylglycopeptide beta-1,4-galactosyltransferase / N-acetyllactosamine synthase ...Lactose synthesis / protein galactosylation / Keratan sulfate biosynthesis / Interaction With Cumulus Cells And The Zona Pellucida / Lactose synthesis / N-Glycan antennae elongation / lactose synthase / neolactotriaosylceramide beta-1,4-galactosyltransferase / beta-N-acetylglucosaminylglycopeptide beta-1,4-galactosyltransferase / N-acetyllactosamine synthase / N-acetyllactosamine synthase activity / positive regulation of circulating fibrinogen levels / beta-N-acetylglucosaminylglycopeptide beta-1,4-galactosyltransferase activity / UDP-galactosyltransferase activity / regulation of acrosome reaction / penetration of zona pellucida / Golgi trans cisterna / lactose synthase activity / macrophage migration / lactose biosynthetic process / oligosaccharide biosynthetic process / development of secondary sexual characteristics / desmosome / acute inflammatory response / positive regulation of epithelial cell proliferation involved in wound healing / galactose metabolic process / binding of sperm to zona pellucida / angiogenesis involved in wound healing / protein N-linked glycosylation / Neutrophil degranulation / Transferases; Glycosyltransferases; Hexosyltransferases / Golgi cisterna membrane / beta-tubulin binding / epithelial cell development / alpha-tubulin binding / cytoskeletal protein binding / extracellular matrix organization / filopodium / epithelial cell proliferation / brush border membrane / lipid metabolic process / negative regulation of epithelial cell proliferation / lysozyme activity / manganese ion binding / basolateral plasma membrane / cell adhesion / positive regulation of apoptotic process / external side of plasma membrane / calcium ion binding / Golgi apparatus / protein-containing complex / extracellular space / extracellular region / identical protein binding
Similarity search - Function
Lactalbumin / Beta-1,4-galactosyltransferase / Galactosyltransferase, N-terminal / N-terminal region of glycosyl transferase group 7 / Galactosyltransferase, C-terminal / N-terminal domain of galactosyltransferase / Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A / Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A / Nucleotide-diphospho-sugar transferases / Lysozyme - #10 ...Lactalbumin / Beta-1,4-galactosyltransferase / Galactosyltransferase, N-terminal / N-terminal region of glycosyl transferase group 7 / Galactosyltransferase, C-terminal / N-terminal domain of galactosyltransferase / Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A / Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A / Nucleotide-diphospho-sugar transferases / Lysozyme - #10 / Glycoside hydrolase family 22 domain / Glycosyl hydrolases family 22 (GH22) domain signature. / Glycoside hydrolase, family 22 / C-type lysozyme/alpha-lactalbumin family / Glycosyl hydrolases family 22 (GH22) domain profile. / Alpha-lactalbumin / lysozyme C / Lysozyme / Lysozyme-like domain superfamily / Alpha-Beta Complex / Orthogonal Bundle / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
: / URIDINE-5'-DIPHOSPHATE / Beta-1,4-galactosyltransferase 1 / Alpha-lactalbumin
Similarity search - Component
Biological speciesMus musculus (house mouse)
Bos taurus (cattle)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.3 Å
AuthorsRamasamy, V. / Ramakrishnan, B. / Boeggeman, E. / Qasba, P.K.
CitationJournal: J.Mol.Biol. / Year: 2003
Title: The Role of Tryptophan 314 in the Conformational Changes of beta 1,4-Galactosyltransferase-I
Authors: Ramasamy, V. / Ramakrishnan, B. / Boeggeman, E. / Qasba, P.K.
History
DepositionJul 14, 2003Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 2, 2003Provider: repository / Type: Initial release
Revision 1.1Apr 29, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.3Oct 19, 2011Group: Database references / Structure summary
Revision 1.4Jul 29, 2020Group: Data collection / Database references ...Data collection / Database references / 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_ref_seq_dif / 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 / _struct_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 1.5Oct 27, 2021Group: Database references / Structure summary / Category: chem_comp / database_2 / struct_ref_seq_dif
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI ..._chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details
Revision 1.6Aug 16, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: ALPHA-LACTALBUMIN
B: BETA-1,4-GALACTOSYLTRANSFERASE
C: ALPHA-LACTALBUMIN
D: BETA-1,4-GALACTOSYLTRANSFERASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)94,94112
Polymers93,5014
Non-polymers1,4418
Water4,522251
1
A: ALPHA-LACTALBUMIN
B: BETA-1,4-GALACTOSYLTRANSFERASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)47,4716
Polymers46,7502
Non-polymers7204
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
C: ALPHA-LACTALBUMIN
D: BETA-1,4-GALACTOSYLTRANSFERASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)47,4716
Polymers46,7502
Non-polymers7204
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)55.292, 98.747, 102.788
Angle α, β, γ (deg.)90.00, 103.92, 90.00
Int Tables number4
Cell settingmonoclinic
Space group name H-MP1211
DetailsCHAINS A AND B FORM FIRST, C AND D FORMS SECOND LACTOSE SYNTHASE COMPLEX

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Components

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Protein , 2 types, 4 molecules ACBD

#1: Protein ALPHA-LACTALBUMIN / / lactalbumin / alpha


Mass: 14015.835 Da / Num. of mol.: 2 / Fragment: REGULATORY SUBUNIT OF LACTOSE SYNTHASE
Source method: isolated from a genetically manipulated source
Details: CHAINS A AND B FORM FIRST, B AND D SECOND LACTOSE SYNTHASE COMPLEX
Source: (gene. exp.) Mus musculus (house mouse) / Plasmid: pET171 / Species (production host): Escherichia coli / Production host: Escherichia coli BL21 (bacteria) / Strain (production host): BL21 / References: UniProt: P29752
#2: Protein BETA-1,4-GALACTOSYLTRANSFERASE / E.C.2.4.1.22, E.C.2.4.1.90, E.C.2.4.1.38 / B4gal-t1 / BETA4GAL-T1 / BETA-1 / 4-GALTASE 1 / BETA-1 / 4-GALACTOSYLTRANSFERASE 1 / UDP-GALACTOSE: ...B4gal-t1 / BETA4GAL-T1 / BETA-1 / 4-GALTASE 1 / BETA-1 / 4-GALACTOSYLTRANSFERASE 1 / UDP-GALACTOSE:BETA-N-ACETYLGLUCOSAMINE BETA-1 / 4-GALACTOSYLTRANSFERASE 1


Mass: 32734.449 Da / Num. of mol.: 2 / Fragment: Catalytic Domain, residues 130-402 / Mutation: W314A, C342T
Source method: isolated from a genetically manipulated source
Details: CHAINS C AND D FORM FIRST, B AND D SECOND LACTOSE SYNTHASE COMPLEX
Source: (gene. exp.) Bos taurus (cattle)
Description: N-TERMINAL CARRIES A TAG CONTAINING 13 AMINO ACIDS
Plasmid: pET23a / Species (production host): Escherichia coli / Production host: Escherichia coli BL21 (bacteria) / Strain (production host): BL21
References: UniProt: P08037, lactose synthase, N-acetyllactosamine synthase, beta-N-acetylglucosaminylglycopeptide beta-1,4-galactosyltransferase

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Sugars , 1 types, 2 molecules

#4: Sugar ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE / N-Acetylglucosamine


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 4 types, 257 molecules

#3: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Ca
#5: Chemical ChemComp-MN / MANGANESE (II) ION


Mass: 54.938 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mn
#6: 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
#7: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 251 / 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: 2.9 Å3/Da / Density % sol: 57.3 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6.1
Details: 11% PEG 4000, 0.1M Sodium chloride and 0.1M Sodium citrate, pH 6.1, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal grow
*PLUS
pH: 8 / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails
115 mg/mlprotein1drop
20.1 MTris-HCl1droppH8.0
30.1 MTris-HCl1reservoirpH8.0
40.1 Mlithium sulfate1reservoir
530 %(w/v)polyethylene glycol1reservoir

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418 Å
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Aug 31, 2002 / Details: mirrors
RadiationMonochromator: mirrors / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.3→25 Å / Num. obs: 46294 / % possible obs: 97 % / Observed criterion σ(I): 1 / Redundancy: 3.5 % / Biso Wilson estimate: 28.9 Å2 / Rsym value: 0.07 / Net I/σ(I): 16.4
Reflection shellResolution: 2.3→2.38 Å / Redundancy: 3.4 % / Mean I/σ(I) obs: 2.2 / Num. unique all: 4427 / Rsym value: 0.48 / % possible all: 93.4
Reflection
*PLUS
Highest resolution: 2.3 Å / Lowest resolution: 25 Å / Num. obs: 47881 / Num. measured all: 161993 / Rmerge(I) obs: 0.07
Reflection shell
*PLUS
% possible obs: 93.4 % / Rmerge(I) obs: 0.48

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Processing

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

1nmm


Resolution: 2.3→19.95 Å / Rfactor Rfree error: 0.004 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.253 4654 10.1 %RANDOM
Rwork0.207 ---
obs0.2071 46294 97.1 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 33.1219 Å2 / ksol: 0.327069 e/Å3
Displacement parametersBiso mean: 42.1 Å2
Baniso -1Baniso -2Baniso -3
1-9.65 Å20 Å24.56 Å2
2---1.53 Å20 Å2
3----8.12 Å2
Refine analyzeLuzzati coordinate error free: 0.37 Å / Luzzati sigma a free: 0.44 Å
Refinement stepCycle: LAST / Resolution: 2.3→19.95 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6364 0 84 251 6699
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_angle_deg1.4
X-RAY DIFFRACTIONc_dihedral_angle_d23.5
X-RAY DIFFRACTIONc_improper_angle_d1.64
X-RAY DIFFRACTIONc_mcbond_it1.481.5
X-RAY DIFFRACTIONc_mcangle_it2.522
X-RAY DIFFRACTIONc_scbond_it2.072
X-RAY DIFFRACTIONc_scangle_it3.152.5
LS refinement shellResolution: 2.3→2.44 Å / Rfactor Rfree error: 0.013 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.364 730 9.8 %
Rwork0.309 6757 -
obs--95.1 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2CARBOHYDRATE.PARAMCARBOHYDRATE.TOP
X-RAY DIFFRACTION3ION.PARAMWATER.TOP
X-RAY DIFFRACTION4WATER_REP.PARAMION.TOP
X-RAY DIFFRACTION5UDP.PARAMUDP.TOP
Refinement
*PLUS
Highest resolution: 2.3 Å / Lowest resolution: 25 Å / Rfactor Rfree: 0.254
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.006
X-RAY DIFFRACTIONc_angle_deg1.38
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg23.5
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg1.64

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