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- PDB-6vg4: Human protocadherin 10 ectodomain -

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Basic information

Entry
Database: PDB / ID: 6vg4
TitleHuman protocadherin 10 ectodomain
ComponentsProtocadherin-10
KeywordsCELL ADHESION / cadherin / protocadherin / non-clustered / calcium binding
Function / homology
Function and homology information


homophilic cell-cell adhesion / nervous system development / postsynaptic membrane / cell adhesion / calcium ion binding / glutamatergic synapse / plasma membrane
Similarity search - Function
Cadherin, cytoplasmic C-terminal domain / Cadherin cytoplasmic C-terminal / Cadherin, N-terminal / Cadherin-like / : / Cadherins / Cadherin conserved site / Cadherin domain signature. / Cadherin repeats. / Cadherin domain ...Cadherin, cytoplasmic C-terminal domain / Cadherin cytoplasmic C-terminal / Cadherin, N-terminal / Cadherin-like / : / Cadherins / Cadherin conserved site / Cadherin domain signature. / Cadherin repeats. / Cadherin domain / Cadherin-like / Cadherins domain profile. / Cadherin-like superfamily / Immunoglobulin-like / Sandwich / Mainly Beta
Similarity search - Domain/homology
alpha-D-mannopyranose / Protocadherin-10
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.298 Å
AuthorsHarrison, O.J. / Brasch, J. / Shapiro, L.
Funding support United States, 3items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01MH114817 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01GM118584 United States
National Science Foundation (NSF, United States)MCB-1412472 United States
CitationJournal: Cell Rep / Year: 2020
Title: Family-wide Structural and Biophysical Analysis of Binding Interactions among Non-clustered δ-Protocadherins.
Authors: Oliver J Harrison / Julia Brasch / Phinikoula S Katsamba / Goran Ahlsen / Alex J Noble / Hanbin Dan / Rosemary V Sampogna / Clinton S Potter / Bridget Carragher / Barry Honig / Lawrence Shapiro /
Abstract: Non-clustered δ1- and δ2-protocadherins, close relatives of clustered protocadherins, function in cell adhesion and motility and play essential roles in neural patterning. To understand the ...Non-clustered δ1- and δ2-protocadherins, close relatives of clustered protocadherins, function in cell adhesion and motility and play essential roles in neural patterning. To understand the molecular interactions underlying these functions, we used solution biophysics to characterize binding of δ1- and δ2-protocadherins, determined crystal structures of ectodomain complexes from each family, and assessed ectodomain assembly in reconstituted intermembrane junctions by cryoelectron tomography (cryo-ET). Homophilic trans (cell-cell) interactions were preferred for all δ-protocadherins, with additional weaker heterophilic interactions observed exclusively within each subfamily. As expected, δ1- and δ2-protocadherin trans dimers formed through antiparallel EC1-EC4 interfaces, like clustered protocadherins. However, no ectodomain-mediated cis (same-cell) interactions were detectable in solution; consistent with this, cryo-ET of reconstituted junctions revealed dense assemblies lacking the characteristic order observed for clustered protocadherins. Our results define non-clustered protocadherin binding properties and their structural basis, providing a foundation for interpreting their functional roles in neural patterning.
History
DepositionJan 7, 2020Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 11, 2020Provider: repository / Type: Initial release
Revision 2.0Apr 8, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Non-polymer description / Refinement description / Structure summary
Category: atom_site / atom_site_anisotrop ...atom_site / atom_site_anisotrop / atom_type / chem_comp / database_PDB_caveat / entity / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_refine_tls / pdbx_refine_tls_group / pdbx_struct_assembly_gen / pdbx_struct_conn_angle / pdbx_struct_sheet_hbond / pdbx_validate_chiral / pdbx_validate_close_contact / pdbx_validate_torsion / refine / refine_hist / refine_ls_restr / refine_ls_shell / reflns / software / struct / struct_asym / struct_conn / struct_mon_prot_cis / struct_site / struct_site_gen
Item: _atom_site_anisotrop.U[1][1] / _atom_site_anisotrop.U[1][2] ..._atom_site_anisotrop.U[1][1] / _atom_site_anisotrop.U[1][2] / _atom_site_anisotrop.U[1][3] / _atom_site_anisotrop.U[2][2] / _atom_site_anisotrop.U[2][3] / _atom_site_anisotrop.U[3][3] / _atom_site_anisotrop.id / _chem_comp.formula / _chem_comp.formula_weight / _chem_comp.id / _chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.type / _pdbx_refine_tls.L[1][1] / _pdbx_refine_tls.L[1][2] / _pdbx_refine_tls.L[1][3] / _pdbx_refine_tls.L[2][2] / _pdbx_refine_tls.L[2][3] / _pdbx_refine_tls.L[3][3] / _pdbx_refine_tls.S[1][1] / _pdbx_refine_tls.S[1][2] / _pdbx_refine_tls.S[1][3] / _pdbx_refine_tls.S[2][1] / _pdbx_refine_tls.S[2][2] / _pdbx_refine_tls.S[2][3] / _pdbx_refine_tls.S[3][1] / _pdbx_refine_tls.S[3][2] / _pdbx_refine_tls.S[3][3] / _pdbx_refine_tls.T[1][1] / _pdbx_refine_tls.T[1][2] / _pdbx_refine_tls.T[1][3] / _pdbx_refine_tls.T[2][2] / _pdbx_refine_tls.T[2][3] / _pdbx_refine_tls.T[3][3] / _pdbx_refine_tls.origin_x / _pdbx_refine_tls.origin_y / _pdbx_refine_tls.origin_z / _pdbx_refine_tls_group.beg_auth_asym_id / _pdbx_refine_tls_group.beg_auth_seq_id / _pdbx_refine_tls_group.end_auth_asym_id / _pdbx_refine_tls_group.end_auth_seq_id / _pdbx_refine_tls_group.selection_details / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_struct_sheet_hbond.range_1_auth_comp_id / _pdbx_struct_sheet_hbond.range_1_auth_seq_id / _pdbx_struct_sheet_hbond.range_1_label_comp_id / _pdbx_struct_sheet_hbond.range_1_label_seq_id / _pdbx_struct_sheet_hbond.range_2_auth_comp_id / _pdbx_struct_sheet_hbond.range_2_auth_seq_id / _pdbx_struct_sheet_hbond.range_2_label_comp_id / _pdbx_struct_sheet_hbond.range_2_label_seq_id / _refine.B_iso_mean / _refine.ls_R_factor_R_free / _refine.ls_R_factor_R_work / _refine.ls_R_factor_obs / _refine.ls_percent_reflns_R_free / _refine.overall_SU_ML / _refine.pdbx_overall_phase_error / _refine_hist.number_atoms_solvent / _refine_hist.number_atoms_total / _refine_hist.pdbx_number_atoms_ligand / _refine_ls_restr.dev_ideal / _refine_ls_restr.number / _refine_ls_shell.R_factor_R_free / _refine_ls_shell.R_factor_R_work / _refine_ls_shell.d_res_high / _refine_ls_shell.d_res_low / _reflns.B_iso_Wilson_estimate / _reflns.details / _software.classification / _software.name / _struct.title / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _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_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_mon_prot_cis.pdbx_omega_angle
Description: Chirality error
Details: HOH A 808 (B factor near zero) replaced with Na atom prior to final refinement run HOH A 813 (B factor near zero) replaced with Cl atom prior to final refinement run MAN A 721 (chirality ...Details: HOH A 808 (B factor near zero) replaced with Na atom prior to final refinement run HOH A 813 (B factor near zero) replaced with Cl atom prior to final refinement run MAN A 721 (chirality error) removed prior to final refinement run (poor density for carbohydrate and prone to refining to an unrealistic position in phenix.refine)
Provider: author / Type: Coordinate replacement
Revision 3.0Jul 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 / pdbx_struct_conn_angle / struct_asym / struct_conn / struct_conn_type / 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 / _entity.formula_weight / _entity.pdbx_description / _entity.pdbx_number_of_molecules / _entity.type / _pdbx_struct_assembly_gen.asym_id_list / _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.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_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.conn_type_id / _struct_conn.id / _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_type.id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 3.1Oct 11, 2023Group: Data collection / Database references ...Data collection / Database references / Refinement description / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 3.2Oct 23, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Protocadherin-10
hetero molecules


Theoretical massNumber of molelcules
Total (without water)75,53124
Polymers73,1571
Non-polymers2,37423
Water30617
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: monomeric form likely due to low pH crystallization conditions
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)84.087, 84.087, 543.917
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number92
Space group name H-MP41212
Space group name HallP4abw2nw
Symmetry operation#1: x,y,z
#2: -y+1/2,x+1/2,z+1/4
#3: y+1/2,-x+1/2,z+3/4
#4: x+1/2,-y+1/2,-z+3/4
#5: -x+1/2,y+1/2,-z+1/4
#6: -x,-y,z+1/2
#7: y,x,-z
#8: -y,-x,-z+1/2

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Components

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Protein , 1 types, 1 molecules A

#1: Protein Protocadherin-10


Mass: 73156.523 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: PCDH10, KIAA1400 / Production host: Homo sapiens (human) / References: UniProt: Q9P2E7

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Sugars , 3 types, 5 molecules

#2: Polysaccharide 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}}LINUCSPDB-CARE
#3: Polysaccharide beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta- ...beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 586.542 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,3,2/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5]/1-1-2/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{}}}}LINUCSPDB-CARE
#5: Sugar ChemComp-MAN / alpha-D-mannopyranose / alpha-D-mannose / D-mannose / mannose


Type: D-saccharide, alpha linking / Mass: 180.156 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Formula: C6H12O6
IdentifierTypeProgram
DManpaCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
a-D-mannopyranoseCOMMON NAMEGMML 1.0
a-D-ManpIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
ManSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 5 types, 35 molecules

#4: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 15
Source method: isolated from a genetically manipulated source
Formula: Ca
#6: Chemical ChemComp-TAM / TRIS(HYDROXYETHYL)AMINOMETHANE


Mass: 163.215 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C7H17NO3 / Comment: pH buffer*YM
#7: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Formula: Cl
#8: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Na
#9: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 17 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestN
Has protein modificationY

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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: 6.72 Å3/Da / Density % sol: 81.7 %
Crystal growTemperature: 296 K / Method: vapor diffusion, hanging drop / pH: 5
Details: 0.22M CaCl2, 0.1M Na Acetate pH 5.0 with 30% (v/v) glycerol as cryoprotectant and glutaraldehyde (0.5% v/v) added to the reservoir after crystal formation to aid crystal stability by cross-linking

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 24-ID-C / Wavelength: 0.9792 Å
DetectorType: DECTRIS PILATUS 6M-F / Detector: PIXEL / Date: Aug 23, 2016
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9792 Å / Relative weight: 1
ReflectionResolution: 3.298→40 Å / Num. obs: 19779 / % possible obs: 99.7 % / Redundancy: 12.9 % / Biso Wilson estimate: 62.4073673952 Å2
Details: The structure factor data file contains both spherically and ellipsoidally truncated datasets: the completeness of the spherical dataset is 99.7%; the completeness of the ellipsoidal dataset ...Details: The structure factor data file contains both spherically and ellipsoidally truncated datasets: the completeness of the spherical dataset is 99.7%; the completeness of the ellipsoidal dataset (the one used in refinement) is 64.28% with respect to the total possible measurable reflections in a sphere out to 3.3A or 92.1% with respect to the total possible within the ellipsoid used for truncation (statistic from staraniso output).
CC1/2: 1 / Rmerge(I) obs: 0.139 / Rpim(I) all: 0.04 / Rrim(I) all: 0.145 / Net I/σ(I): 10.7
Reflection shellResolution: 3.298→3.48 Å / Redundancy: 13.7 % / Rmerge(I) obs: 2.475 / Mean I/σ(I) obs: 1.6 / Num. unique obs: 4386 / CC1/2: 0.95 / Rpim(I) all: 0.687 / Rrim(I) all: 2.57 / % possible all: 99.5

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Processing

Software
NameVersionClassification
PHENIX1.10.1_2155refinement
XDS1.10.1_2155data reduction
Aimlessdata scaling
STARANISOdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 6VFV, 6VFQ

6vfv

6vfq


Resolution: 3.298→20 Å / SU ML: 0.3941 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 28.14
RfactorNum. reflection% reflectionSelection details
Rfree0.2843 1001 5.1 %random
Rwork0.22687 ---
obs0.2297 19771 64.28 %-
Solvent computationShrinkage radii: 0.8 Å / VDW probe radii: 1 Å
Displacement parametersBiso mean: 108.52 Å2
Refinement stepCycle: LAST / Resolution: 3.298→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5012 0 128 17 5157
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.01049317718215321
X-RAY DIFFRACTIONf_angle_d0.673505299327152
X-RAY DIFFRACTIONf_chiral_restr0.0454112738884831
X-RAY DIFFRACTIONf_plane_restr0.00328642215886953
X-RAY DIFFRACTIONf_dihedral_angle_d12.58030441393187
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
3.298-3.47080.3776540.33011045X-RAY DIFFRACTION25.8709981168
3.4708-3.6870.375710831256650.318234144021265X-RAY DIFFRACTION30.8227114716
3.687-3.96960.356893739073860.2674050493741612X-RAY DIFFRACTION39.4333488156
3.9696-4.36540.2676227287311340.230307437612392X-RAY DIFFRACTION58.5807050093
4.3654-4.98850.2958474788182010.2065143191763772X-RAY DIFFRACTION90.3159809048
4.9885-6.25290.2596116942162400.2191248465034201X-RAY DIFFRACTION99.9549853702
6.2529-19.99559884680.2650863385922210.2120380646694483X-RAY DIFFRACTION99.8302207131
Refinement TLS params.Method: refined / Origin x: 24.9641 Å / Origin y: 23.5011 Å / Origin z: -15.9505 Å
111213212223313233
T0.1951 Å2-0.0177 Å2-0.141 Å2-0.4443 Å20.0518 Å2--0.3613 Å2
L-0.1693 °20.0816 °20.1104 °2--0.0423 °20.0596 °2--0.027 °2
S-0.12 Å °0.5285 Å °0.0483 Å °0.4667 Å °-0.0871 Å °0.2555 Å °-0.0115 Å °0.1079 Å °-0.645 Å °
Refinement TLS groupSelection details: CHAIN A

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