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- PDB-1yro: Crystal structure of beta14,-galactosyltransferase mutant ARG228L... -

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Basic information

Entry
Database: PDB / ID: 1yro
TitleCrystal structure of beta14,-galactosyltransferase mutant ARG228Lys in complex with alpha-lactalbumin in the presence of UDP-galactose and Mn
Components
  • ALPHA-LACTALBUMIN
  • BETA-1,4-GALACTOSYLTRANSFERASE
KeywordsTRANSFERASE ACTIVATOR/TRANSFERASE / ARG228LYS mutation / UDP-gal complex / 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 / Golgi trans cisterna / lactose synthase activity / lactose biosynthetic process / oligosaccharide biosynthetic process / desmosome / protein N-linked glycosylation / Neutrophil degranulation / Transferases; Glycosyltransferases; Hexosyltransferases / Golgi cisterna membrane / beta-tubulin binding / alpha-tubulin binding / cytoskeletal protein binding / filopodium / brush border membrane / lipid metabolic process / lysozyme activity / manganese ion binding / basolateral plasma membrane / defense response to Gram-negative bacterium / defense response to Gram-positive bacterium / 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
GALACTOSE-URIDINE-5'-DIPHOSPHATE / : / URIDINE-5'-DIPHOSPHATE / Beta-1,4-galactosyltransferase 1 / Alpha-lactalbumin
Similarity search - Component
Biological speciesMus musculus (house mouse)
Bos taurus (cattle)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.9 Å
AuthorsRamakrishnan, B. / Boeggeman, E. / Qasba, P.K.
CitationJournal: Biochemistry / Year: 2005
Title: Mutation of Arginine 228 to Lysine Enhances the Glucosyltransferase Activity of Bovine beta-1,4-Galactosyltransferase I
Authors: Ramakrishnan, B. / Boeggeman, E. / Qasba, P.K.
History
DepositionFeb 4, 2005Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 22, 2005Provider: repository / Type: Initial release
Revision 1.1Oct 16, 2007Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 11, 2017Group: Data collection / Category: reflns_shell
Item: _reflns_shell.number_unique_all / _reflns_shell.percent_possible_all
Revision 1.4Oct 20, 2021Group: Database references / Derived calculations
Category: database_2 / pdbx_struct_conn_angle ...database_2 / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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_asym_id / _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_asym_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 / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.5Aug 23, 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)96,38915
Polymers93,6754
Non-polymers2,71511
Water14,952830
1
A: ALPHA-LACTALBUMIN
B: BETA-1,4-GALACTOSYLTRANSFERASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)48,2928
Polymers46,8372
Non-polymers1,4556
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)48,0977
Polymers46,8372
Non-polymers1,2605
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)57.334, 94.087, 99.705
Angle α, β, γ (deg.)90.00, 101.64, 90.00
Int Tables number4
Cell settingmonoclinic
Space group name H-MP1211
DetailsThe molecules A & B and C & D form a 1:1 protein complexes

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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, C AND D SECOND LACTOSE SYNTHASE COMPLEX
Source: (gene. exp.) Mus musculus (house mouse) / Gene: alpha-lactalbumin / Plasmid: pET17.1 / 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: 32821.566 Da / Num. of mol.: 2 / Fragment: CATALYTIC DOMAIN, RESIDUES 130-402 / Mutation: D129, R228K, C342T
Source method: isolated from a genetically manipulated source
Details: CHAINS A AND B FORM FIRST, C AND D SECOND LACTOSE SYNTHASE COMPLEX
Source: (gene. exp.) Bos taurus (cattle)
Description: N-terminal carries a tag containing 13 amino acids
Gene: beta1,4-galactosyltransferase / Plasmid: pET23c / 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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Non-polymers , 7 types, 841 molecules

#3: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Ca
#4: Chemical ChemComp-MES / 2-(N-MORPHOLINO)-ETHANESULFONIC ACID


Mass: 195.237 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C6H13NO4S / Comment: pH buffer*YM
#5: Chemical ChemComp-PG4 / TETRAETHYLENE GLYCOL


Mass: 194.226 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C8H18O5 / Comment: precipitant*YM
#6: Chemical ChemComp-GDU / GALACTOSE-URIDINE-5'-DIPHOSPHATE / UDP-D-GALACTOPYRANOSE


Mass: 566.302 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Formula: C15H24N2O17P2
#7: Chemical ChemComp-MN / MANGANESE (II) ION


Mass: 54.938 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mn
#8: 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
#9: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 830 / Source method: isolated from a natural source / Formula: H2O

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Details

Sequence detailsSEQUENCE THE N-TERMINAL OF CHAINS B AND D CARRIES A FUSION TAG CONTAINING 13 AMINO ACIDS

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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: 2.55 Å3/Da / Density % sol: 51.3 %
Crystal growTemperature: 298 K / Method: vapor diffusion / pH: 6
Details: PEG 4000, Mes-NaOH, sodium chloride, pH 6.0, VAPOR DIFFUSION, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X9B / Wavelength: 0.97 Å
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Jun 14, 2003 / Details: mirrors
RadiationMonochromator: Graphite / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97 Å / Relative weight: 1
ReflectionResolution: 1.88→40 Å / Num. all: 85018 / Num. obs: 82383 / Observed criterion σ(I): 1 / Redundancy: 3.1 % / Biso Wilson estimate: 20.8 Å2 / Rsym value: 0.053 / Net I/σ(I): 18
Reflection shellResolution: 1.88→1.95 Å / Redundancy: 2.6 % / Mean I/σ(I) obs: 2 / Num. unique all: 8460 / Rsym value: 0.47

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Processing

Software
NameVersionClassification
HKL-2000data collection
SCALEPACKdata scaling
AMoREphasing
CNS1refinement
HKL-2000data reduction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1NKH.pdb

1nkh


Resolution: 1.9→32.55 Å / Rfactor Rfree error: 0.003 / Data cutoff high absF: 1582053.99 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.225 8001 10 %RANDOM
Rwork0.189 ---
obs0.189 79879 97.9 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 55.1063 Å2 / ksol: 0.347116 e/Å3
Displacement parametersBiso mean: 31.3 Å2
Baniso -1Baniso -2Baniso -3
1-3.23 Å20 Å21 Å2
2--0.93 Å20 Å2
3----4.16 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.25 Å0.2 Å
Luzzati d res low-6 Å
Luzzati sigma a0.21 Å0.17 Å
Refinement stepCycle: LAST / Resolution: 1.9→32.55 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6394 0 164 830 7388
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.012
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_deg1.7
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d24.2
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d1.03
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it1.471.5
X-RAY DIFFRACTIONc_mcangle_it2.232
X-RAY DIFFRACTIONc_scbond_it2.222
X-RAY DIFFRACTIONc_scangle_it3.292.5
LS refinement shellResolution: 1.9→2.02 Å / Rfactor Rfree error: 0.008 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.292 1317 10.3 %
Rwork0.249 11518 -
obs--95.2 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2ion.paramion.top
X-RAY DIFFRACTION3water.paramwater.top
X-RAY DIFFRACTION4udpg_pg.parudpg_pg.top

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