9CH4 | pdb_00009ch4

Crystal structure of shark nonclassical MHC CLASS I, UGA


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.67 Å
  • R-Value Free: 
    0.262 (Depositor), 0.266 (DCC) 
  • R-Value Work: 
    0.239 (Depositor), 0.244 (DCC) 
  • R-Value Observed: 
    0.240 (Depositor) 

Starting Model: in silico
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Ligand Structure Quality Assessment 


This is version 1.0 of the entry. See complete history

Literature

CD1-like, lipid-presenting, nonclassical MHC molecules in shark

Castro, C.D.Adams, E.J.

To be published.

Macromolecule Content 

  • Total Structure Weight: 131.91 kDa 
  • Atom Count: 9,342 
  • Modeled Residue Count: 1,084 
  • Deposited Residue Count: 1,086 
  • Unique protein chains: 2

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
Ig-like domain-containing protein
A, C, E
268Ginglymostoma cirratumMutation(s): 0 
Gene Names: scyTo_0002318
Find similar proteins by:|  3D Structure
Entity ID: 2
MoleculeChains  Sequence LengthOrganismDetailsImage
Beta-2-microglobulin
B, D, F
94Ginglymostoma cirratumMutation(s): 0 
Gene Names: B2Mb2m
UniProt
Find proteins for F4ZE04 (Ginglymostoma cirratum)
Explore F4ZE04 
Go to UniProtKB:  F4ZE04
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupF4ZE04
Glycosylation
Glycosylation Sites: 1
Sequence Annotations
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Reference Sequence

Oligosaccharides

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Entity ID: 3
MoleculeChains Length2D Diagram GlycosylationD Interactions
alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-3)][alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose
G, J
6N-Glycosylation
Glycosylation Resources
GlyTouCan: G88303DD
GlyCosmos: G88303DD
GlyGen: G88303DD
Entity ID: 4
MoleculeChains Length2D Diagram GlycosylationD Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
H, I, K, L
2N-Glycosylation
Glycosylation Resources
GlyTouCan: G42666HT
GlyCosmos: G42666HT
GlyGen: G42666HT
Entity ID: 5
MoleculeChains Length2D Diagram GlycosylationD Interactions
alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose
M
2N/A
Glycosylation Resources
GlyTouCan: G86851RC
GlyCosmos: G86851RC
GlyGen: G86851RC

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.67 Å
  • R-Value Free:  0.262 (Depositor), 0.266 (DCC) 
  • R-Value Work:  0.239 (Depositor), 0.244 (DCC) 
  • R-Value Observed: 0.240 (Depositor) 
Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 165.773α = 90
b = 95.628β = 123.96
c = 112.372γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
Aimlessdata scaling
XDSdata reduction
PHASERphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

& Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)United StatesR01 AI170844

Revision History  (Full details and data files)

  • Version 1.0: 2026-03-18
    Type: Initial release