1NH3

Human Topoisomerase I Ara-C Complex

Structural Biology Knowledgebase: 1NH3 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.1 Å
  • R-Value Free: 0.311
  • R-Value Work: 0.235

Literature

Macromolecules
Sequence Display for 1NH3

Classification: ISOMERASE / DNA

Total Structure Weight: 79896.09


Macromolecule Entities
Molecule Chains Length Organism Details
DNA topoisomerase I A 563 Homo sapiens EC#: 5.99.1.2 IUBMB
Fragment: Core Subdomain, C-Terminal Domain
Mutation: Y723X
Gene Name(s): TOP1 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Macromolecule Entities
Molecule Chains Length Organism Details
5'-D(*AP*AP*AP*AP*AP*GP*AP*CP*UP*(UBB))-3' B 10 synthetic
5'-D(*(GNG)P*GP*AP*AP*AP*AP*AP*UP*UP*UP*UP*T)-3' C 12 synthetic
5'-D(*AP*AP*AP*AP*AP*TP*UP*UP*UP*UP*CP*(CAR)P*AP*AP*GP*UP*CP*UP*UP*UP*UP*T)-3' D 22 synthetic

Small Molecules
Modified Residues 4 Unique
ID Chains Type Formula 2D Diagram Parent
UBB
Query on UBB
B NON-POLYMER C9 H13 N2 O7 P U
GNG
Query on GNG
C NON-POLYMER C10 H13 N5 O4 G
CAR
Query on CAR
D RNA LINKING C9 H14 N3 O8 P DC
PTR
Query on PTR
A L-PEPTIDE LINKING C9 H12 N O6 P TYR

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.1 Å
  • R-Value Free: 0.311
  • R-Value Work: 0.235
  • Space Group: P 32
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 72.97 α = 90.00
b = 72.97 β = 90.00
c = 186.29 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-12-18
  • Released Date: 2003-03-04
  • Deposition author(s): Chrencik, J.E., Burgin, A.B., Pommier, Y., Stewart, L., Redinbo, M.R.

Revision History

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