7TTZ | pdb_00007ttz

Heterodimeric IgA Fc in complex with Staphylococcus aureus protein SSL7


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.35 Å
  • R-Value Free: 
    0.247 (Depositor), 0.250 (DCC) 
  • R-Value Work: 
    0.200 (Depositor), 0.204 (DCC) 
  • R-Value Observed: 
    0.203 (Depositor) 

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Validation slider image for 7TTZ

Ligand Structure Quality Assessment 


This is version 1.2 of the entry. See complete history

Literature

Engineering a pure and stable heterodimeric IgA for the development of multispecific therapeutics.

Heinkel, F.Verstraete, M.M.Cao, S.Li, J.Farber, P.Stangle, E.Silva-Moreno, B.Peng, F.Dixit, S.Boulanger, M.J.Spreter Von Kreudenstein, T.Escobar-Cabrera, E.

(2022) MAbs 14: 2141637-2141637

  • DOI: https://doi.org/10.1080/19420862.2022.2141637
  • Primary Citation Related Structures: 
    7TTZ

  • PubMed Abstract: 

    CE-SDS: capillary electrophoresis sodium dodecyl sulfate; DSC: differential scanning calorimetry; FACS: fluorescence-activated cell sorting; FSA: full-sized antibody; Her2: human epidermal growth factor receptor 2; MFI: mean fluorescent intensity; OAA: one-armed antibody; PBS: phosphate-buffered saline; PDB: Protein Data Bank; SEC: size-exclusion chromatography; prepSEC (preparative SEC); RMSD: root-mean-square deviation; RU: resonance units; SPR: surface plasmon resonance; TAA: tumor-associated antigen; WT: wild-type.


  • Organizational Affiliation
    • Zymeworks Inc., Vancouver, BC, Canada.

Macromolecule Content 

  • Total Structure Weight: 96.21 kDa 
  • Atom Count: 6,512 
  • Modeled Residue Count: 795 
  • Deposited Residue Count: 842 
  • Unique protein chains: 3

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
IgA Fc220Homo sapiensMutation(s): 6 
UniProt
Find proteins for Q6MZV6 (Homo sapiens)
Explore Q6MZV6 
Go to UniProtKB:  Q6MZV6
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ6MZV6
Glycosylation
Glycosylation Sites: 1
Sequence Annotations
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Reference Sequence
Find similar proteins by:|  3D Structure
Entity ID: 2
MoleculeChains  Sequence LengthOrganismDetailsImage
IgA Fc220Homo sapiensMutation(s): 7 
UniProt
Find proteins for Q6MZV6 (Homo sapiens)
Explore Q6MZV6 
Go to UniProtKB:  Q6MZV6
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ6MZV6
Sequence Annotations
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Reference Sequence
Find similar proteins by:|  3D Structure
Entity ID: 3
MoleculeChains  Sequence LengthOrganismDetailsImage
Superantigen-like protein SSL7
C, D
201Staphylococcus aureusMutation(s): 0 
UniProt
Find proteins for A0A9Y2YA69 (Staphylococcus aureus)
Explore A0A9Y2YA69 
Go to UniProtKB:  A0A9Y2YA69
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupA0A9Y2YA69
Sequence Annotations
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Reference Sequence

Small Molecules

Ligands 4 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
1PG
(Subject of Investigation/LOI)

Query on 1PG



Download:Ideal Coordinates CCD File
F [auth A]
G [auth A]
H [auth A]
J [auth B]
K [auth B]
F [auth A],
G [auth A],
H [auth A],
J [auth B],
K [auth B],
N [auth C],
P [auth D]
2-(2-{2-[2-(2-METHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHANOL
C11 H24 O6
SLNYBUIEAMRFSZ-UHFFFAOYSA-N
NAG
(Subject of Investigation/LOI)

Query on NAG



Download:Ideal Coordinates CCD File
E [auth A]2-acetamido-2-deoxy-beta-D-glucopyranose
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
GOL
(Subject of Investigation/LOI)

Query on GOL



Download:Ideal Coordinates CCD File
I [auth A],
O [auth C]
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
EDO
(Subject of Investigation/LOI)

Query on EDO



Download:Ideal Coordinates CCD File
L [auth B],
M [auth B],
Q [auth D],
R [auth D]
1,2-ETHANEDIOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.35 Å
  • R-Value Free:  0.247 (Depositor), 0.250 (DCC) 
  • R-Value Work:  0.200 (Depositor), 0.204 (DCC) 
  • R-Value Observed: 0.203 (Depositor) 
Space Group: P 21 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 135.505α = 90
b = 165.447β = 90
c = 46.434γ = 90
Software Package:
Software NamePurpose
Blu-Icedata collection
XDSdata reduction
XDSdata scaling
PHENIXphasing
PHENIXmodel building
PHENIXrefinement

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 


Entry History 

& Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Not funded--

Revision History  (Full details and data files)

  • Version 1.0: 2023-02-01
    Type: Initial release
  • Version 1.1: 2023-10-25
    Changes: Data collection, Refinement description
  • Version 1.2: 2024-11-06
    Changes: Structure summary