SMTL ID : 1xfw.3 (8 other biounits)

Crystal structure of anthrax edema factor (EF) in complex with calmodulin and 3'5' cyclic AMP (cAMP)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.40 Å

Oligo State

hetero-1-1-mer

Ligands

1 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 5 residues within 4Å: Chain A: K.323, D.468, D.470, H.554 Ligands: CMP.2 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:D.468, A:D.468, A:D.470, A:H.554

1 x CMP: ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE(Non-covalent)

CMP.2: 11 residues within 4Å: Chain A: R.306, K.323, L.325, D.470, G.524, T.525, G.555, T.556, E.557, N.560 Ligands: MG.1 9 PLIP interactions: 9 interactions with chain A Hydrogen bonds: A:R.306, A:T.525, A:T.525, A:G.555 Water bridges: A:H.328, A:H.328 Salt bridges: A:K.323 pi-Stacking: A:H.554, A:H.554

3 x CA: CALCIUM ION(Non-covalent)

CA.3: 4 residues within 4Å: Chain B: D.21, D.23, D.25, T.27 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:D.21, B:D.23, B:D.23, B:D.25, B:T.27 CA.4: 5 residues within 4Å: Chain B: D.130, D.132, D.134, Q.136, E.141 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:D.130, B:D.132, B:D.134, B:Q.136, B:E.141 CA.5: 5 residues within 4Å: Chain B: D.94, D.96, N.98, Y.100, E.105 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:D.94, B:D.96, B:Y.100, B:E.105

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Shen, Y. et al., Calcium-independent calmodulin binding and two-metal-ion catalytic mechanism of anthrax edema factor. EMBO J. (2005)

Release Date

2005-05-03

Peptides

Calmodulin-sensitive adenylate cyclase: A
Calmodulin 2: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
Q

Calmodulin-sensitive adenylate cyclase

Calmodulin 2

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