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- PDB-8w4m: Crystal structure of open conformation of human immunoglobulin Fc... -

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Basic information

Entry
Database: PDB / ID: 8w4m
TitleCrystal structure of open conformation of human immunoglobulin Fc in presence of EndoSz
ComponentsImmunoglobulin gamma-1 heavy chain
KeywordsIMMUNE SYSTEM / N-linked glycan / glycoside hydrolase / transglycosylation
Function / homology
Function and homology information


immunoglobulin complex, circulating / immunoglobulin receptor binding / complement activation, classical pathway / antigen binding / antibacterial humoral response / blood microparticle / extracellular exosome / plasma membrane
Similarity search - Function
Immunoglobulin V-Type / Immunoglobulin V-set domain / Immunoglobulin V-set domain / Immunoglobulin/major histocompatibility complex, conserved site / Immunoglobulins and major histocompatibility complex proteins signature. / Immunoglobulin subtype / Immunoglobulin / Immunoglobulin C-Type / Immunoglobulin C1-set / Immunoglobulin C1-set domain ...Immunoglobulin V-Type / Immunoglobulin V-set domain / Immunoglobulin V-set domain / Immunoglobulin/major histocompatibility complex, conserved site / Immunoglobulins and major histocompatibility complex proteins signature. / Immunoglobulin subtype / Immunoglobulin / Immunoglobulin C-Type / Immunoglobulin C1-set / Immunoglobulin C1-set domain / Ig-like domain profile. / Immunoglobulin-like domain / Immunoglobulin-like domain superfamily / Immunoglobulin-like fold
Similarity search - Domain/homology
Immunoglobulin gamma-1 heavy chain
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.18 Å
AuthorsGuan, H.H. / Lin, C.C. / Hsieh, Y.C. / Chen, C.J.
Funding support Taiwan, 1items
OrganizationGrant numberCountry
Ministry of Science and Technology (MoST, Taiwan) Taiwan
CitationJournal: Jacs Au / Year: 2024
Title: Structure-Based High-Efficiency Homogeneous Antibody Platform by Endoglycosidase Sz Provides Insights into Its Transglycosylation Mechanism.
Authors: Hsieh, Y.C. / Guan, H.H. / Lin, C.C. / Huang, T.Y. / Chuankhayan, P. / Chen, N.C. / Wang, N.H. / Hu, P.L. / Tsai, Y.C. / Huang, Y.C. / Yoshimura, M. / Lin, P.J. / Hsieh, Y.H. / Chen, C.J.
History
DepositionAug 24, 2023Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jul 3, 2024Provider: repository / Type: Initial release
Revision 1.1Jul 10, 2024Group: Database references / Category: citation / Item: _citation.pdbx_database_id_PubMed / _citation.title

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Immunoglobulin gamma-1 heavy chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)27,40912
Polymers25,1291
Non-polymers2,28011
Water2,180121
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)50.088, 147.668, 75.198
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number20
Space group name H-MC2221
Components on special symmetry positions
IDModelComponents
11A-719-

HOH

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Components

#1: Antibody Immunoglobulin gamma-1 heavy chain


Mass: 25129.496 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Cricetulus griseus (Chinese hamster) / References: UniProt: P0DOX5
#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-(1-6)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 1625.490 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGalpb1-4DGlcpNAcb1-2DManpa1-6[DGlcpNAcb1-2DManpa1-3]DManpb1-4DGlcpNAcb1-4[LFucpa1-6]DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/5,9,8/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5][a2112h-1b_1-5][a1221m-1a_1-5]/1-1-2-3-1-3-1-4-5/a4-b1_a6-i1_b4-c1_c3-d1_c6-f1_d2-e1_f2-g1_g4-h1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(3+1)][a-D-Manp]{[(2+1)][b-D-GlcpNAc]{}}[(6+1)][a-D-Manp]{[(2+1)][b-D-GlcpNAc]{[(4+1)][b-D-Galp]{}}}}}[(6+1)][a-L-Fucp]{}}LINUCSPDB-CARE
#3: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 10 / Source method: obtained synthetically / Formula: Zn / Feature type: SUBJECT OF INVESTIGATION
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 121 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY

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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: 2.77 Å3/Da / Density % sol: 55.54 %
Crystal growTemperature: 291 K / Method: vapor diffusion, hanging drop
Details: 100 mM MES PH 6.5 200 mM Zinc acetate 10 % PEG 8000

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: NSRRC / Beamline: TPS 05A / Wavelength: 1 Å
DetectorType: RAYONIX MX300-HS / Detector: CCD / Date: Jun 28, 2021
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.18→26.34 Å / Num. obs: 14109 / % possible obs: 94.14 % / Redundancy: 5.4 % / CC1/2: 0.925 / Net I/σ(I): 5.4
Reflection shellResolution: 2.18→2.258 Å / Num. unique obs: 787 / CC1/2: 0.691

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Processing

Software
NameVersionClassification
PHENIX1.18.2_3874refinement
PDB_EXTRACT3.27data extraction
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.18→26.34 Å / SU ML: 0.26 / Cross valid method: THROUGHOUT / σ(F): 1.36 / Phase error: 24.75 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.255 726 5.15 %
Rwork0.208 13383 -
obs0.2103 14109 93.99 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 115.96 Å2 / Biso mean: 41.6178 Å2 / Biso min: 12.72 Å2
Refinement stepCycle: final / Resolution: 2.18→26.34 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1676 0 120 121 1917
Biso mean--65.66 40 -
Num. residues----210
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 5

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
2.18-2.350.28191170.24281950206770
2.35-2.580.27341550.23812792294799
2.58-2.950.27621520.229228052957100
2.95-3.720.25111550.199928603015100
3.72-26.340.23641470.192329763123100

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