1SK6

Crystal structure of the adenylyl cyclase domain of anthrax edema factor (EF) in complex with calmodulin, 3',5' cyclic AMP (cAMP), and pyrophosphate

Structural Biology Knowledgebase: 1SK6 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.2 Å
  • R-Value Free: 0.307
  • R-Value Work: 0.250

Literature

Macromolecules
Sequence Display for 1SK6

Classification: Toxin Lyase / Metal Binding Protein

Total Structure Weight: 229911.61

Macromolecule Entities
Molecule Chains Length Organism Details
Calmodulin-sensitive adenylate cyclase A, B, C 510 Bacillus anthracis EC#: 4.6.1.1 IUBMB
Gene Name(s): cya pXO1-122 BXA0141 GBAA_pXO1_0142
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Calmodulin D, E, F 148 Homo sapiens Gene Name(s): CALM1 Gene View CALM CAM CAM1 CALM2 Gene View CAM2 CAMB CALM3 Gene View CALML2 CAM3 CAMC CAMIII
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
CMP
Query on CMP

A, B, C ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE
CYCLIC AMP; CAMP (Synonym)
C10 H12 N5 O6 P
IVOMOUWHDPKRLL-KQYNXXCUSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
POP
Query on POP

A, B, C PYROPHOSPHATE 2-
H2 O7 P2
XPPKVPWEQAFLFU-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
YB
Query on YB

A, B, C YTTERBIUM (III) ION
Yb
AWSFICBXMUKWSK-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

D, E, F 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: 3.2 Å
  • R-Value Free: 0.307
  • R-Value Work: 0.250
  • Space Group: I 2 2 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 116.87 α = 90.00
b = 166.45 β = 90.00
c = 342.39 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2004-03-04
  • Released Date: 2004-06-08
  • Deposition author(s): Guo, Q., Shen, Y., Zhukovskaya, N.L., Tang, W.J.

Revision History

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