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- PDB-1slb: X-RAY CRYSTALLOGRAPHY REVEALS CROSSLINKING OF MAMMALIAN LECTIN (G... -

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Basic information

Entry
Database: PDB / ID: 1slb
TitleX-RAY CRYSTALLOGRAPHY REVEALS CROSSLINKING OF MAMMALIAN LECTIN (GALECTIN-1) BY BIANTENNARY COMPLEX TYPE SACCHARIDES
ComponentsBOVINE GALECTIN-1
KeywordsCOMPLEX(LECTIN/SACCHARIDE) / COMPLEX(LECTIN-SACCHARIDE) / COMPLEX(LECTIN-SACCHARIDE) complex
Function / homology
Function and homology information


Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) / Post-translational protein phosphorylation / laminin binding / carbohydrate binding / apoptotic process / extracellular space / cytoplasm
Similarity search - Function
Galectin-like / Galactoside-binding lectin / Galectin / Galectin, carbohydrate recognition domain / Galactoside-binding lectin / Galactoside-binding lectin (galectin) domain profile. / Jelly Rolls - #200 / Concanavalin A-like lectin/glucanase domain superfamily / Jelly Rolls / Sandwich / Mainly Beta
Similarity search - Domain/homology
Biological speciesBos taurus (cattle)
MethodX-RAY DIFFRACTION / Resolution: 2.3 Å
AuthorsBourne, Y. / Cambillau, C.
Citation
Journal: Nat.Struct.Biol. / Year: 1994
Title: Crosslinking of mammalian lectin (galectin-1) by complex biantennary saccharides.
Authors: Bourne, Y. / Bolgiano, B. / Liao, D.I. / Strecker, G. / Cantau, P. / Herzberg, O. / Feizi, T. / Cambillau, C.
#1: Journal: J.Mol.Biol. / Year: 1994
Title: Crystallization and Preliminary X-Ray Diffraction Studies of the Soluble 14kDa Beta-Galactoside-Binding Lectin from Bovine Heart
Authors: Bourne, Y. / Bolgiano, B. / Nesa, M.-P. / Penfold, P. / Feizi, T. / Cambillau, C.
History
DepositionMar 12, 1994Processing site: BNL
Revision 1.0Jan 26, 1995Provider: repository / Type: Initial release
Revision 1.1Mar 3, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.3Nov 29, 2017Group: Derived calculations / Other
Category: pdbx_database_status / struct_conf / struct_conf_type
Item: _pdbx_database_status.process_site
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / database_PDB_caveat / entity / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_validate_chiral / pdbx_validate_close_contact / struct_asym / struct_conn / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _atom_site.type_symbol / _chem_comp.name / _chem_comp.type / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_validate_chiral.auth_asym_id / _pdbx_validate_chiral.auth_seq_id / _pdbx_validate_close_contact.auth_asym_id_1 / _pdbx_validate_close_contact.auth_seq_id_1 / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _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.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
Description: Carbohydrate remediation / Provider: repository / Type: Remediation

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: BOVINE GALECTIN-1
B: BOVINE GALECTIN-1
C: BOVINE GALECTIN-1
D: BOVINE GALECTIN-1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)61,1836
Polymers58,5104
Non-polymers2,6732
Water6,918384
1
A: BOVINE GALECTIN-1
B: BOVINE GALECTIN-1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)30,6933
Polymers29,2552
Non-polymers1,4381
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
C: BOVINE GALECTIN-1
D: BOVINE GALECTIN-1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)30,4903
Polymers29,2552
Non-polymers1,2351
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)112.800, 41.600, 110.000
Angle α, β, γ (deg.)90.00, 103.00, 90.00
Int Tables number5
Space group name H-MC121
DetailsGALECTIN-1 MOLECULE EXISTS AS A DIMER. IN THE MONOCLINIC FORM, THERE ARE TWO DIMERS PRESENT IN THE ASYMMETRIC UNIT. EACH MONOMER CONSISTS OF 134 AMINO ACID RESIDUES, ASSIGNED CHAIN IDENTIFIERS A, B, C, AND D. THE TWO MONOMERS ARE RELATED BY A NON-CRYSTALLOGRAPHIC TWO-FOLD AXIS. ONE OLIGOSACCHARIDE UNIT IS PRESENTED PER DIMER.

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Components

#1: Protein
BOVINE GALECTIN-1


Mass: 14627.510 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bos taurus (cattle) / Tissue: HEART / References: UniProt: P11116
#2: Polysaccharide beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose- ...beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 1438.297 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGalpb1-4DGlcpNAcb1-2DManpa1-3[DGalpb1-4DGlcpNAcb1-2DManpa1-6]DManpb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/4,8,7/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5][a2112h-1b_1-5]/1-2-3-1-4-3-1-4/a4-b1_b3-c1_b6-f1_c2-d1_d4-e1_f2-g1_g4-h1WURCSPDB2Glycan 1.1.0
[][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(3+1)][a-D-Manp]{[(2+1)][b-D-GlcpNAc]{[(4+1)][b-D-Galp]{}}}[(6+1)][a-D-Manp]{[(2+1)][b-D-GlcpNAc]{[(4+1)][b-D-Galp]{}}}}}LINUCSPDB-CARE
#3: Polysaccharide beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose- ...beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose


Type: oligosaccharide / Mass: 1235.105 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGalpb1-4DGlcpNAcb1-2DManpa1-3[DGalpb1-4DGlcpNAcb1-2DManpa1-6]DManpa1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/3,7,6/[a1122h-1a_1-5][a2122h-1b_1-5_2*NCC/3=O][a2112h-1b_1-5]/1-1-2-3-1-2-3/a3-b1_a6-e1_b2-c1_c4-d1_e2-f1_f4-g1WURCSPDB2Glycan 1.1.0
[][b-D-Manp]{[(3+1)][a-D-Manp]{[(2+1)][b-D-GlcpNAc]{[(4+1)][b-D-Galp]{}}}[(6+1)][a-D-Manp]{[(2+1)][b-D-GlcpNAc]{[(4+1)][b-D-Galp]{}}}}LINUCSPDB-CARE
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 384 / Source method: isolated from a natural source / Formula: H2O
Nonpolymer detailsTHE N-ACETYLLACTOSAMINE UNIT LOCATED AT THE EXTREMITY OF EACH ANTENNA BINDS TO A DIFFERENT MONOMER ...THE N-ACETYLLACTOSAMINE UNIT LOCATED AT THE EXTREMITY OF EACH ANTENNA BINDS TO A DIFFERENT MONOMER OF A NEIGHBORING LECTIN DIMER, THUS FORMING A CHAIN OF CROSS-LINKED LECTIN SACCHARIDE MOTIFS. SEE JRNL REFERENCE ABOVE.

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.15 Å3/Da / Density % sol: 42.74 %
Crystal grow
*PLUS
pH: 5.5 / Method: unknown
Components of the solutions
*PLUS
Conc.: 20-25 % / Common name: PEG

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Data collection

Reflection
*PLUS
Highest resolution: 2.3 Å / Num. obs: 21316 / % possible obs: 90 % / Observed criterion σ(F): 2 / Num. measured all: 59848 / Rmerge(I) obs: 0.11

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Processing

Software
NameClassification
X-PLORmodel building
X-PLORrefinement
X-PLORphasing
RefinementResolution: 2.3→6 Å / σ(F): 2 /
RfactorNum. reflection
Rwork0.177 -
obs0.177 17254
Refinement stepCycle: LAST / Resolution: 2.3→6 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4111 0 182 384 4677
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.007
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg1.4
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
Software
*PLUS
Name: X-PLOR / Classification: refinement
Refinement
*PLUS
Rfactor obs: 0.177
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Type: x_angle_d / Dev ideal: 1.4

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