SMTL ID : 1hpm.1

HOW POTASSIUM AFFECTS THE ACTIVITY OF THE MOLECULAR CHAPERONE HSC70. II. POTASSIUM BINDS SPECIFICALLY IN THE ATPASE ACTIVE SITE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

monomer

Ligands

1 x MG: MAGNESIUM ION(Non-functional Binders)

MG.1: 4 residues within 4Å: Ligands: PO4.2, K.3, K.4, ADP.7 No protein-ligand interaction detected (PLIP)

1 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.2: 9 residues within 4Å: Chain A: G.12, T.13, K.71, P.147, E.175, T.204 Ligands: MG.1, K.4, ADP.7 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:T.13, A:T.13, A:E.175, A:E.175, A:T.204 Water bridges: A:E.175, A:E.175 Salt bridges: A:K.71

2 x K: POTASSIUM ION(Non-covalent)

K.3: 5 residues within 4Å: Chain A: D.10, G.12, Y.15 Ligands: MG.1, ADP.7 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.10, A:Y.15, H2O.2, H2O.2 K.4: 6 residues within 4Å: Chain A: D.199, G.201, T.204, D.206 Ligands: MG.1, PO4.2 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:T.204, A:D.206

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.5: 4 residues within 4Å: Chain A: N.31, D.32, Q.33, K.126 Ligand excluded by PLIP CL.6: 3 residues within 4Å: Chain A: R.311, K.345, K.348 Ligand excluded by PLIP

1 x ADP: ADENOSINE-5'-DIPHOSPHATE(Non-covalent)

ADP.7: 22 residues within 4Å: Chain A: G.12, T.13, T.14, Y.15, G.201, G.202, G.203, G.230, E.231, E.268, K.271, R.272, S.275, G.338, G.339, S.340, R.342, I.343, D.366 Ligands: MG.1, PO4.2, K.3 18 PLIP interactions: 18 interactions with chain A Hydrogen bonds: A:T.14, A:Y.15, A:G.202, A:G.203, A:E.268, A:E.268, A:K.271, A:R.272, A:R.272, A:S.275, A:G.339 Water bridges: A:T.14, A:Y.15, A:E.231, A:R.272, A:R.342, A:D.366, A:D.366

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wilbanks, S.M. et al., How potassium affects the activity of the molecular chaperone Hsc70. II. Potassium binds specifically in the ATPase active site. J.Biol.Chem. (1995)

Release Date

1995-07-31

Peptides

44K ATPASE FRAGMENT (N-TERMINAL) OF 7O kD HEAT-SHOCK COGNATE PROTEIN: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

44K ATPASE FRAGMENT (N-TERMINAL) OF 7O kD HEAT-SHOCK COGNATE PROTEIN

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