SMTL ID : 4ynl.1 (1 other biounit)

Crystal structure of the hood domain of Anabaena HetR in complex with the hexapeptide ERGSGR derived from PatS

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

2 x GLU- ARG- GLY- SER- GLY- ARG: Heterocyst inhibition-signaling peptide(Non-covalent)

GLU-ARG-GLY-SER-GLY-ARG.1: 14 residues within 4Å: Chain A: W.32, R.41, A.42, L.43, E.44, E.45, L.46, D.47 Chain B: D.61, I.64, R.65, A.68, D.69, H.72 18 PLIP interactions: 8 interactions with chain B, 10 interactions with chain A Hydrogen bonds: B:D.61, B:R.65, B:R.65, B:D.69, A:L.43, A:L.43, A:L.43, A:E.45, A:E.45, A:E.45, A:E.45, A:D.47 Water bridges: B:R.65, B:H.72 Salt bridges: B:D.61, B:D.69, A:E.44, A:E.44 GLU-ARG-GLY-SER-GLY-ARG.2: 14 residues within 4Å: Chain A: D.61, I.64, R.65, A.68, D.69, H.72 Chain B: W.32, R.41, A.42, L.43, E.44, E.45, L.46, D.47 20 PLIP interactions: 13 interactions with chain B, 7 interactions with chain A Hydrogen bonds: B:R.41, B:L.43, B:L.43, B:L.43, B:E.45, B:E.45, B:E.45, B:E.45, A:D.61, A:R.65, A:R.65 Water bridges: B:E.45, B:E.45, B:K.88, A:R.65, A:H.72 Salt bridges: B:E.44, B:E.44, A:D.61, A:D.69

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hu, H.X. et al., Structural insights into HetR-PatS interaction involved in cyanobacterial pattern formation. Sci Rep (2015)

Release Date

2015-12-02

Peptides

Heterocyst differentiation control protein: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
A

Heterocyst differentiation control protein

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