1A7A

STRUCTURE OF HUMAN PLACENTAL S-ADENOSYLHOMOCYSTEINE HYDROLASE: DETERMINATION OF A 30 SELENIUM ATOM SUBSTRUCTURE FROM DATA AT A SINGLE WAVELENGTH

Structural Biology Knowledgebase: 1A7A SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.247
  • R-Value Work: 0.227

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1A7A

Classification: HYDROLASE

Total Structure Weight: 98838.95

Macromolecule Entities
Molecule Chains Length Organism Details
S-ADENOSYLHOMOCYSTEINE HYDROLASE A, B 432 Homo sapiens EC#: 3.3.1.1 IUBMB
Mutation: M29M, M33M, M35M, M56M, M127M, M167M, M168M, M210M, M254M, M262M, M290M, M351M, M358M, M367M, M419M
Details: SELENOMETHIONINE DERIVATIZED PROTEIN
Gene Name(s): AHCY Gene View SAHH
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B NICOTINAMIDE-ADENINE-DINUCLEOTIDE
C21 H27 N7 O14 P2
BAWFJGJZGIEFAR-NNYOXOHSSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ADC
Query on ADC

A, B (1'R,2'S)-9-(2-HYDROXY-3'-KETO-CYCLOPENTEN- 1-YL)ADENINE
C10 H11 N5 O2
RQPALADHFYHEHK-CHKWXVPMSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
ADC IC50: 877 - 8700 nM (99) BindingDB
Ki: 41 - 49 nM (99) BindingDB

N/A in BindingMoad
N/A in PDBbind
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
MSE
Query on MSE
A, B L-PEPTIDE LINKING C5 H11 N O2 Se MET

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.247
  • R-Value Work: 0.227
  • Space Group: C 2 2 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 91.93 α = 90.00
b = 168.02 β = 90.00
c = 137.77 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1998-03-10
  • Released Date: 1999-04-20
  • Deposition author(s): Turner, M.A., Yuan, C.-S., Borchardt, R.T., Hershfield, M.S., Smith, G.D., Howell, P.L.

Revision History

  • 2011-07-13
    Type: Biological assembly | Details: Added software calculated values
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4