1CJU

COMPLEX OF GS-ALPHA WITH THE CATALYTIC DOMAINS OF MAMMALIAN ADENYLYL CYCLASE: COMPLEX WITH BETA-L-2',3'-DIDEOXYATP AND MG

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.80 Å
  • R-Value Free: 0.284 
  • R-Value Work: 0.222 

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This is version 1.2 of the entry. See complete history. 


Literature

Two-metal-Ion catalysis in adenylyl cyclase.

Tesmer, J.J., Sunahara, R.K., Johnson, R.A., Gosselin, G., Gilman, A.G., Sprang, S.R.

(1999) Science 285: 756-760

  • DOI: 10.1126/science.285.5428.756
  • Primary Citation of Related Structures:  
    1CJK, 1CJT, 1CJU, 1CJV

  • PubMed Abstract: 

    • Adenylyl cyclase (AC) converts adenosine triphosphate (ATP) to cyclic adenosine monophosphate, a ubiquitous second messenger that regulates many cellular functions. Recent structural studies have revealed much about the structure and function of mammalian AC but have not fully defined its active site or catalytic mechanism ...

    Adenylyl cyclase (AC) converts adenosine triphosphate (ATP) to cyclic adenosine monophosphate, a ubiquitous second messenger that regulates many cellular functions. Recent structural studies have revealed much about the structure and function of mammalian AC but have not fully defined its active site or catalytic mechanism. Four crystal structures were determined of the catalytic domains of AC in complex with two different ATP analogs and various divalent metal ions. These structures provide a model for the enzyme-substrate complex and conclusively demonstrate that two metal ions bind in the active site. The similarity of the active site of AC to those of DNA polymerases suggests that the enzymes catalyze phosphoryl transfer by the same two-metal-ion mechanism and likely have evolved from a common ancestor.

    Related Citations: 
    • Crystal Structure of the Catalytic Domains of Adenylyl Cyclase in a Complex with Gsalpha(Dot)Gtpgammas
      Tesmer, J.J., Sunahara, R.K., Gilman, A.G., Sprang, S.R.
      (1997) Science 278: 1907
    Organizational Affiliation: 

    Howard Hughes Medical Institute, Department of Biochemistry, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75235-9050, USA.



Macromolecules
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(by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
ADENYLATE CYCLASE, TYPE VA217Canis lupus familiarisMutation(s): 1 
Gene Names: ADENYLYL CYCLASE TYPE V, ADCY5
EC: 4.6.1.1
UniProt
Find proteins for P30803 (Canis lupus familiaris)
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  • Reference Sequence
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
ADENYLATE CYCLASE, TYPE IIB212Rattus norvegicusMutation(s): 0 
Gene Names: ADENYLYL CYCLASE TYPE II, Adcy2
EC: 4.6.1.1
UniProt
Find proteins for P26769 (Rattus norvegicus)
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  • Reference Sequence
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
GUANINE NUCLEOTIDE-BINDING PROTEIN G(S)C402Bos taurusMutation(s): 0 
Gene Names: GNAS, GNAS1
UniProt
Find proteins for P04896 (Bos taurus)
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Go to UniProtKB:  P04896
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 5 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
GSP (Subject of Investigation/LOI)
Query on GSP
Download Ideal Coordinates CCD File 
J [auth C]5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE
C10 H16 N5 O13 P3 S
XOFLBQFBSOEHOG-UUOKFMHZSA-N		 Ligand Interaction
DAD (Subject of Investigation/LOI)
Query on DAD
Download Ideal Coordinates CCD File 
G [auth A]2',3'-DIDEOXYADENOSINE-5'-TRIPHOSPHATE
C10 H16 N5 O11 P3
OAKPWEUQDVLTCN-RQJHMYQMSA-N		 Ligand Interaction
FOK (Subject of Investigation/LOI)
Query on FOK
Download Ideal Coordinates CCD File 
F [auth A]FORSKOLIN
C22 H34 O7
OHCQJHSOBUTRHG-KGGHGJDLSA-N		 Ligand Interaction
CL
Query on CL
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I [auth C]CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M		 Ligand Interaction
MG
Query on MG
Download Ideal Coordinates CCD File 
D [auth A], E [auth A], H [auth C]MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N		 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.80 Å
  • R-Value Free: 0.284 
  • R-Value Work: 0.222 
  • Space Group: P 21 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 118.3α = 90
b = 134.2β = 90
c = 71.4γ = 90
Software Package:
Software NamePurpose
AMoREphasing
CNSrefinement
MOSFLMdata reduction
CCP4data scaling

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1999-08-31
    Type: Initial release
  • Version 1.1: 2008-04-26
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance