3T77

S25-2- A(2-4)KDO disaccharide complex

• PDB DOI: https://doi.org/10.2210/pdb3T77/pdb
• Entry: 3T77 supersedes: 1Q9T

• Classification: IMMUNE SYSTEM
• Organism(s): Mus musculus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2011-07-29 Released: 2011-08-24 
• Deposition Author(s): Nguyen, H.P., Seto, N.O., Mackenzie, C.R., Brade, L., Kosma, P., Brade, H., Evans, S.V.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.74 Å
• R-Value Free: 0.236 
• R-Value Work: 0.205 
• R-Value Observed: 0.209 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 49.18 kDa 
• Atom Count: 3,856 
• Modelled Residue Count: 443 
• Deposited Residue Count: 443 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
S25-2 FAB (IGG1K) light chain	A	219	Mus musculus	Mutation(s): 0
UniProt
Find proteins for Q52L64 (Mus musculus) Explore Q52L64  Go to UniProtKB:  Q52L64

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
S25-2 FAB (IGG1K) heavy chain	B	224	Mus musculus	Mutation(s): 0

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
3-deoxy-alpha-D-manno-oct-2-ulopyranosonic acid-(2-4)-prop-2-en-1-yl 3-deoxy-alpha-D-manno-oct-2-ulopyranosidonic acid	C	2	N/A	N/A
Glycosylation Resources
GlyTouCan:  G87145JB GlyCosmos:  G87145JB

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	F [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
MG	D [auth A], E [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.74 Å
• R-Value Free: 0.236 
• R-Value Work: 0.205 
• R-Value Observed: 0.209 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.9	α = 90
b = 81.8	β = 90
c = 130.3	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-08-24 
Deposition Author(s): Nguyen, H.P., Seto, N.O., Mackenzie, C.R., Brade, L., Kosma, P., Brade, H., Evans, S.V.
• This entry supersedes: 1Q9T

Revision History  

• Version 1.0: 2011-08-24
  Type: Initial release
  
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary