4FRM

Crystal Structure of BBBB+UDP+Gal at pH 7.0 with MPD as the cryoprotectant

• PDB DOI: https://doi.org/10.2210/pdb4FRM/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2012-06-26 Released: 2013-12-25 
• Deposition Author(s): Johal, A.R., Alfaro, J.A., Blackler, R.J., Schuman, B., Borisova, S.N., Evans, S.V.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.218 
• R-Value Work: 0.173 
• R-Value Observed: 0.175 

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 34.63 kDa 
• Atom Count: 2,389 
• Modelled Residue Count: 264 
• Deposited Residue Count: 293 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Histo-blood group ABO system transferase	A	293	Homo sapiens	Mutation(s): 0  Gene Names: ABO EC: 2.4.1.37
UniProt & NIH Common Fund Data Resources
Find proteins for P16442 (Homo sapiens) Explore P16442  Go to UniProtKB:  P16442
PHAROS:  P16442

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
UDP	B [auth A]	URIDINE-5'-DIPHOSPHATE C9 H14 N2 O12 P2 XCCTYIAWTASOJW-XVFCMESISA-N
GAL	C [auth A]	beta-D-galactopyranose C6 H12 O6 WQZGKKKJIJFFOK-FPRJBGLDSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.218 
• R-Value Work: 0.173 
• R-Value Observed: 0.175 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.203	α = 90
b = 150.598	β = 90
c = 79.353	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MxDC	data collection
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-12-25 
Deposition Author(s): Johal, A.R., Alfaro, J.A., Blackler, R.J., Schuman, B., Borisova, S.N., Evans, S.V.

Revision History  

• Version 1.0: 2013-12-25
  Type: Initial release
  
• Version 1.1: 2014-02-26
  Changes: Database references
• Version 1.2: 2017-11-15
  Changes: Refinement description
• Version 1.3: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Database references, Derived calculations, Structure summary
• Version 1.4: 2023-09-13
  Changes: Data collection, Database references, Refinement description, Structure summary