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- PDB-1i8q: CRYSTAL STRUCTURE OF STREPTOCOCCUS AGALACTIAE HYALURONATE LYASE C... -

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Basic information

Entry
Database: PDB / ID: 1i8q
TitleCRYSTAL STRUCTURE OF STREPTOCOCCUS AGALACTIAE HYALURONATE LYASE COMPLEXED WITH ENZYME PRODUCT, UNSATURATED DISACCHARIDE HYALURONAN
ComponentsHYALURONATE LYASE
KeywordsLYASE / beta-alpha-beta
Function / homology
Function and homology information


hyaluronate lyase / hyaluronate lyase activity / catabolic process / carbohydrate binding / carbohydrate metabolic process / extracellular region
Similarity search - Function
Hyaluronate lyase, beta-sheet domain superfamily / : / Hyaluronate lyase, N-terminal beta-sheet domain / : / BppA domain 1 / Polysaccharide lyase 8 / Polysaccharide lyase 8, N-terminal alpha-helical / Polysaccharide lyase family 8, N terminal alpha-helical domain / Polysaccharide lyase family 8, C-terminal / Polysaccharide lyase family 8, C-terminal beta-sandwich domain ...Hyaluronate lyase, beta-sheet domain superfamily / : / Hyaluronate lyase, N-terminal beta-sheet domain / : / BppA domain 1 / Polysaccharide lyase 8 / Polysaccharide lyase 8, N-terminal alpha-helical / Polysaccharide lyase family 8, N terminal alpha-helical domain / Polysaccharide lyase family 8, C-terminal / Polysaccharide lyase family 8, C-terminal beta-sandwich domain / Polysaccharide lyase family 8, central domain / Polysaccharide lyase family 8, super-sandwich domain / Polysaccharide lyase family 8-like, C-terminal / Polysaccharide lyase family 8-like, C-terminal / Chondroitinase Ac; Chain A, domain 3 / Chondroitin AC/alginate lyase / Chondroitin AC/alginate lyase / Beta-galactosidase; Chain A, domain 5 - #10 / Glycoside hydrolase-type carbohydrate-binding / Beta-galactosidase; Chain A, domain 5 / Galactose mutarotase-like domain superfamily / Glycosyltransferase / Alpha/alpha barrel / Galactose-binding-like domain superfamily / Distorted Sandwich / Immunoglobulin E-set / Sandwich / Mainly Beta / Mainly Alpha
Similarity search - Domain/homology
Biological speciesStreptococcus agalactiae (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.2 Å
AuthorsLi, S. / Jedrzejas, M.J.
CitationJournal: J.Biol.Chem. / Year: 2001
Title: Hyaluronan binding and degradation by Streptococcus agalactiae hyaluronate lyase.
Authors: Li, S. / Jedrzejas, M.J.
History
DepositionMar 15, 2001Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 16, 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 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / 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 / 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 / _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
Revision 2.1Feb 7, 2024Group: Data collection / Database references / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 2.2Apr 3, 2024Group: Refinement description / Category: pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: HYALURONATE LYASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)93,2733
Polymers92,5101
Non-polymers7632
Water4,125229
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)51.030, 155.017, 237.268
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number20
Space group name H-MC2221

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Components

#1: Protein HYALURONATE LYASE / HYALURONIDASE / HYASE


Mass: 92510.344 Da / Num. of mol.: 1 / Fragment: ENZYMATICALLY ACTIVE FRAGMENT, RESIDUES 171-984
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Streptococcus agalactiae (bacteria) / Gene: HYL / Production host: Escherichia coli (E. coli) / References: UniProt: Q53591, hyaluronate lyase
#2: Polysaccharide 4-deoxy-beta-D-glucopyranuronic acid-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 381.333 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
WURCS=2.0/2,2,1/[a2122h-1b_1-5_2*NCC/3=O][a21d2A-1b_1-5]/1-2/a3-b1WURCSPDB2Glycan 1.1.0
[][b-D-GlcpNAc]{[(3+1)][b-D-4-deoxy-GlcpA]{}}LINUCSPDB-CARE
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 229 / 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: 2.54 Å3/Da / Density % sol: 51.49 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6
Details: PEG 5500 MME, KSCN, CACODYLATE, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal grow
*PLUS
pH: 8
Details: Jedrzejas, M.J., (2000) Acta Crystallogr., Sect.D, 56, 460.
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails
1100 mMcacodylate1reservoirpH6.0
230 mMKSCN1reservoir
319 %PEG5000 MME1reservoir
410 mg/mlprotein1drop
510 mMHEPES1drop
62 mMEDTA1droppH8.0

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 19-ID / Wavelength: 0.98 Å
DetectorDetector: CCD / Date: Sep 25, 2000
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.98 Å / Relative weight: 1
ReflectionResolution: 2.2→50 Å / Num. obs: 47142 / % possible obs: 98.1 % / Observed criterion σ(I): 5 / Redundancy: 14.1 % / Biso Wilson estimate: 36.296 Å2 / Rmerge(I) obs: 0.123 / Net I/σ(I): 10.5
Reflection
*PLUS
Num. obs: 45510 / Num. measured all: 295197
Reflection shell
*PLUS
% possible obs: 91.5 % / Rmerge(I) obs: 0.216

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Processing

Software
NameVersionClassification
AMoREphasing
X-PLOR3.851refinement
DENZOdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: native structure of streptococcus agalactiae hyaluronate lyase

Resolution: 2.2→20 Å / Cross valid method: THROUGHOUT / σ(F): 0.001 / σ(I): 0.001 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.252 860 -RANDOM
Rwork0.182 ---
all-45510 --
obs-45510 98.2 %-
Refinement stepCycle: LAST / Resolution: 2.2→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6513 0 52 229 6794
Software
*PLUS
Name: X-PLOR / Version: 3.851 / Classification: refinement
Refinement
*PLUS
Highest resolution: 2.2 Å / Lowest resolution: 20 Å / Rfactor obs: 0.182
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.007
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_deg1.152
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scangle_it

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