SMTL ID : 4r8h.1

The role of protein-ligand contacts in allosteric regulation of the Escherichia coli Catabolite Activator Protein

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.46 Å

Oligo State

homo-dimer

Ligands

4 x SP1: 6-(6-AMINO-PURIN-9-YL)-2-THIOXO-TETRAHYDRO-2-FURO[3,2-D][1,3,2]DIOXAPHOSPHININE-2,7-DIOL(Non-covalent)

SP1.1: 17 residues within 4Å: Chain A: V.62, L.74, S.75, I.83, G.84, E.85, L.86, G.87, Q.93, R.95, S.96, A.97, V.99, R.136, T.140 Chain B: L.137, S.141 15 PLIP interactions: 14 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:G.84, A:E.85, A:E.85, A:L.86, A:G.87, A:R.95, A:R.95, A:S.96, A:Y.112, A:R.136, A:T.140, B:S.141 Water bridges: A:S.96, A:T.140, A:T.140 SP1.2: 12 residues within 4Å: Chain A: K.70, E.71, M.72, Q.183, G.186, Q.187, G.190, C.191, S.192, R.193 Chain B: A.148, F.149 7 PLIP interactions: 6 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:E.71, A:Q.183, A:Q.187, A:R.193, A:R.193, B:A.148 Water bridges: A:G.69 SP1.8: 19 residues within 4Å: Chain A: L.137, Q.138, S.141 Chain B: I.43, V.62, L.74, S.75, I.83, G.84, E.85, L.86, G.87, R.95, S.96, A.97, V.99, Y.112, R.136, T.140 14 PLIP interactions: 1 interactions with chain A, 13 interactions with chain B Hydrogen bonds: A:S.141, B:G.84, B:E.85, B:E.85, B:L.86, B:G.87, B:R.95, B:R.95, B:S.96, B:Y.112, B:R.136, B:T.140, B:T.140 Water bridges: B:S.96 SP1.9: 9 residues within 4Å: Chain B: K.70, E.71, Q.183, G.186, Q.187, G.190, C.191, S.192, R.193 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:E.71, B:Q.183, B:R.193, B:R.193, B:R.193 Water bridges: B:G.190, B:G.190

7 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 3 residues within 4Å: Chain A: Y.76, N.162, Q.166 2 PLIP interactions: 2 interactions with chain A Water bridges: A:Y.76, A:Y.76 GOL.4: 2 residues within 4Å: Chain A: R.116, Q.120 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.120 Water bridges: A:R.116 GOL.5: 4 residues within 4Å: Chain A: H.30, Q.117, L.118, V.121 2 PLIP interactions: 2 interactions with chain A Water bridges: A:W.26, A:H.30 GOL.6: 6 residues within 4Å: Chain A: L.77, D.81, Q.132, R.135, R.136, V.139 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.136, A:R.136 Water bridges: A:Q.132 GOL.7: 5 residues within 4Å: Chain A: K.143, N.146, L.147, R.155, I.188 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:K.143, A:K.143, A:N.146 Water bridges: A:E.142 GOL.10: 6 residues within 4Å: Chain B: L.74, V.139, K.143, T.159, L.163, Q.166 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:L.74, B:K.143 Water bridges: B:Y.76 GOL.11: 7 residues within 4Å: Chain B: K.143, N.146, R.155, Q.158, T.159, I.188, V.189 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:K.143, B:K.143, B:N.146, B:T.159

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Townsend, P.D. et al., The Role of Protein-Ligand Contacts in Allosteric Regulation of the Escherichia coli Catabolite Activator Protein. J.Biol.Chem. (2015)

Release Date

2015-07-22

Peptides

cAMP-activated global transcriptional regulator CRP: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

cAMP-activated global transcriptional regulator CRP

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