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- PDB-1dn2: FC FRAGMENT OF HUMAN IGG1 IN COMPLEX WITH AN ENGINEERED 13 RESIDU... -

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Basic information

Entry
Database: PDB / ID: 1dn2
TitleFC FRAGMENT OF HUMAN IGG1 IN COMPLEX WITH AN ENGINEERED 13 RESIDUE PEPTIDE DCAWHLGELVWCT-NH2
Components
  • ENGINEERED PEPTIDE
  • IMMUNOGLOBULIN LAMBDA HEAVY CHAIN
KeywordsIMMUNE SYSTEM / Fc IgG Phage Display Peptide
Function / homology
Function and homology information


complement-dependent cytotoxicity / antibody-dependent cellular cytotoxicity / Fc-gamma receptor I complex binding / Classical antibody-mediated complement activation / Initial triggering of complement / immunoglobulin complex, circulating / IgG immunoglobulin complex / immunoglobulin receptor binding / FCGR activation / Role of phospholipids in phagocytosis ...complement-dependent cytotoxicity / antibody-dependent cellular cytotoxicity / Fc-gamma receptor I complex binding / Classical antibody-mediated complement activation / Initial triggering of complement / immunoglobulin complex, circulating / IgG immunoglobulin complex / immunoglobulin receptor binding / FCGR activation / Role of phospholipids in phagocytosis / complement activation, classical pathway / antigen binding / FCGR3A-mediated IL10 synthesis / Regulation of Complement cascade / FCGR3A-mediated phagocytosis / B cell receptor signaling pathway / Regulation of actin dynamics for phagocytic cup formation / antibacterial humoral response / blood microparticle / Interleukin-4 and Interleukin-13 signaling / adaptive immune response / extracellular space / extracellular exosome / extracellular region / plasma membrane
Similarity search - Function
Immunoglobulin/major histocompatibility complex, conserved site / Immunoglobulins and major histocompatibility complex proteins signature. / Immunoglobulin C-Type / Immunoglobulin C1-set / Immunoglobulin C1-set domain / Ig-like domain profile. / Immunoglobulin-like domain / Immunoglobulin-like domain superfamily / Immunoglobulins / Immunoglobulin-like fold ...Immunoglobulin/major histocompatibility complex, conserved site / Immunoglobulins and major histocompatibility complex proteins signature. / Immunoglobulin C-Type / Immunoglobulin C1-set / Immunoglobulin C1-set domain / Ig-like domain profile. / Immunoglobulin-like domain / Immunoglobulin-like domain superfamily / Immunoglobulins / Immunoglobulin-like fold / Immunoglobulin-like / Sandwich / Mainly Beta
Similarity search - Domain/homology
: / Immunoglobulin heavy constant gamma 1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / Resolution: 2.7 Å
AuthorsDeLano, W.L. / Ultsch, M.H. / de Vos, A.M. / Wells, J.A.
CitationJournal: Science / Year: 2000
Title: Convergent solutions to binding at a protein-protein interface.
Authors: DeLano, W.L. / Ultsch, M.H. / de Vos, A.M. / Wells, J.A.
History
DepositionDec 15, 1999Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 17, 2000Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.3Oct 4, 2017Group: Advisory / Refinement description / Category: pdbx_unobs_or_zero_occ_atoms / software
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Database references / 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 / struct_asym / struct_conn / struct_ref_seq_dif / 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_comp_id / _atom_site.label_asym_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _chem_comp.name / _chem_comp.type / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_validate_chiral.auth_asym_id / _struct_conn.details / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_role / _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
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: IMMUNOGLOBULIN LAMBDA HEAVY CHAIN
E: ENGINEERED PEPTIDE
B: IMMUNOGLOBULIN LAMBDA HEAVY CHAIN
F: ENGINEERED PEPTIDE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)53,0656
Polymers50,2214
Non-polymers2,8452
Water99155
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area10230 Å2
ΔGint43 kcal/mol
Surface area21610 Å2
MethodPISA
Unit cell
Length a, b, c (Å)67.541, 60.825, 68.174
Angle α, β, γ (deg.)90.00, 103.87, 90.00
Int Tables number4
Space group name H-MP1211
DetailsThe biological assembly is a dimer constructed from chains A and B

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Components

#1: Antibody IMMUNOGLOBULIN LAMBDA HEAVY CHAIN


Mass: 23578.676 Da / Num. of mol.: 2 / Fragment: FC FRAGMENT / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: GenBank: 2765425, UniProt: P01857*PLUS
#2: Protein/peptide ENGINEERED PEPTIDE


Mass: 1531.756 Da / Num. of mol.: 2 / Source method: obtained synthetically / Details: Selected by phage display.
#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-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[beta-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 1422.297 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGalpb1-4DGlcpNAcb1-2DManpa1-6[DManpa1-3]DManpb1-4DGlcpNAcb1-4[LFucpb1-6]DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/5,8,7/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5][a2112h-1b_1-5][a1221m-1b_1-5]/1-1-2-3-3-1-4-5/a4-b1_a6-h1_b4-c1_c3-d1_c6-e1_e2-f1_f4-g1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(3+1)][a-D-Manp]{}[(6+1)][a-D-Manp]{[(2+1)][b-D-GlcpNAc]{[(4+1)][b-D-Galp]{}}}}}[(6+1)][b-L-Fucp]{}}}LINUCSPDB-CARE
#4: 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)-[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: 1422.297 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGalpb1-4DGlcpNAcb1-2DManpa1-6[DManpa1-3]DManpb1-4DGlcpNAcb1-4[LFucpa1-6]DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/5,8,7/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5][a2112h-1b_1-5][a1221m-1a_1-5]/1-1-2-3-3-1-4-5/a4-b1_a6-h1_b4-c1_c3-d1_c6-e1_e2-f1_f4-g1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(3+1)][a-D-Manp]{}[(6+1)][a-D-Manp]{[(2+1)][b-D-GlcpNAc]{[(4+1)][b-D-Galp]{}}}}}[(6+1)][b-L-Fucp]{}}}LINUCSPDB-CARE
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 55 / 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: 2.71 Å3/Da / Density % sol: 54.53 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6
Details: PEG 4000, isopropanol, sodium acetate, , pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal grow
*PLUS
Method: vapor diffusion
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
1100 mM1reservoirNaOAc
220 %PEG40001reservoir
320 %isopropanol1reservoir
40.100 mMprotein1drop
50.150 mMpeptide1drop

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Data collection

DiffractionMean temperature: 170 K
Diffraction sourceSource: SYNCHROTRON / Site: SSRL / Beamline: BL7-1 / Wavelength: 0.98
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Feb 1, 1998
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.98 Å / Relative weight: 1
ReflectionResolution: 2.7→25 Å / Num. all: 14847 / Num. obs: 14847 / % possible obs: 99.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 4.1 % / Rmerge(I) obs: 0.083 / Net I/σ(I): 11.3
Reflection shellResolution: 2.7→2.8 Å / Redundancy: 4 % / Rmerge(I) obs: 0.344 / Num. unique all: 1458 / % possible all: 99.7
Reflection
*PLUS
Num. measured all: 60434

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Processing

Software
NameVersionClassification
MAR345data collection
SCALEPACKdata scaling
AMoREphasing
X-PLOR3.851refinement
RefinementResolution: 2.7→20 Å / σ(F): 0.1 / σ(I): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.252 1471 -RANDOM
Rwork0.194 ---
all0.2 14277 --
obs0.2 14266 96.1 %-
Refinement stepCycle: LAST / Resolution: 2.7→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3532 0 192 55 3779
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_angle_deg1.64
X-RAY DIFFRACTIONx_bond_d0.007
Software
*PLUS
Name: X-PLOR / Version: 3.851 / Classification: refinement
Refinement
*PLUS
Highest resolution: 2.7 Å / Lowest resolution: 20 Å / σ(F): 0.1 / Rfactor obs: 0.194
Solvent computation
*PLUS
Displacement parameters
*PLUS
Biso mean: 26.6 Å2

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