1NKH

Crystal structure of Lactose synthase complex with UDP and Manganese

Structural Biology Knowledgebase: 1NKH SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.251
  • R-Value Work: 0.196

Literature

Macromolecules
Sequence Display for 1NKH

Classification: TRANSFERASE ACTIVATOR / TRANSFERASE

Total Structure Weight: 96705.59

Macromolecule Entities
Molecule Chains Length Organism Details
ALPHA-LACTALBUMIN A, C 123 Mus musculus Fragment: REGULATORY SUBUNIT OF LACTOSE SYNTHASE
Details: CHAINS A AND B FORM FIRST, C AND D SECOND LACTOSE SYNTHASE COMPLEX
Gene Name(s): Lalba
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
BETA-1,4-GALACTOSYLTRANSFERASE B, D 286 Bos taurus Fragment: CATALYTIC DOMAIN, RESIDUES 130-402
Details: CHAINS A AND B FORM FIRST, C AND D SECOND LACTOSE SYNTHASE COMPLEX
Gene Name(s): B4GALT1 Gene View GALT Gene View GGTB2
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 5 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
UDP
Query on UDP

B, D URIDINE-5'-DIPHOSPHATE
C9 H14 N2 O12 P2
XCCTYIAWTASOJW-XVFCMESISA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PG4
Query on PG4

A, B, C, D TETRAETHYLENE GLYCOL
C8 H18 O5
UWHCKJMYHZGTIT-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A, D SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MN
Query on MN

B, D MANGANESE (II) ION
Mn
WAEMQWOKJMHJLA-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A, C CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.251
  • R-Value Work: 0.196
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 55.47 α = 90.00
b = 99.14 β = 104.14
c = 102.26 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-01-03
  • Released Date: 2003-01-14
  • Deposition author(s): Ramakrishnan, B., Qasba, P.K.
  • Previous versions: 1J8X

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4