ReDisulphID

a tool for identifying drug-targetable redox-active disulphides

Pyruvate kinase PKM

Intermolecular
Cysteine 317 and cysteine 31
Intramolecular
Cysteine 423 and cysteine 424 L
Cysteine 317 and cysteine 326 L
Cysteine 326 and cysteine 358 L
Cysteine 358 and cysteine 474 L
A redox-regulated disulphide may form between two units of Pyruvate kinase PKM at cysteines 317 and 31. However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
33
PDB code
6v75
Structure name
crystal structure of human pkm2 in complex with l-aspartate
Structure deposition date
2019-12-07
Thiol separation (Å)
9
Half-sphere exposure sum ?
70
Minimum pKa ?
11
% buried
78
Peptide A name
Pyruvate kinase PKM
Peptide B name
Pyruvate kinase PKM
Peptide A accession
P14618
Peptide B accession
P14618
Peptide A residue number
317
Peptide B residue number
31

Ligandability

Cysteine 317 of Pyruvate kinase PKM

Cysteine 31 of Pyruvate kinase PKM

A redox-regulated disulphide may form within Pyruvate kinase PKM between cysteines 423 and 424. However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
42
PDB code
6gg5
Structure name
crystal structure of m2 pyk in complex with tryptophan
Structure deposition date
2018-05-02
Thiol separation (Å)
9
Half-sphere exposure sum ?
63
Minimum pKa ?
9
% buried
46
Peptide accession
P14618
Residue number A
423
Residue number B
424
Peptide name
Pyruvate kinase PKM

Ligandability

Cysteine 423 of Pyruvate kinase PKM

Cysteine 424 of Pyruvate kinase PKM

A redox-regulated disulphide may form within Pyruvate kinase PKM between cysteines 317 and 326. However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
28
PDB code
4fxj
Structure name
structure of m2 pyruvate kinase in complex with phenylalanine
Structure deposition date
2012-07-03
Thiol separation (Å)
10
Half-sphere exposure sum ?
86
Minimum pKa ?
12
% buried
100
Peptide accession
P14618
Residue number A
317
Residue number B
326
Peptide name
Pyruvate kinase PKM

Ligandability

Cysteine 317 of Pyruvate kinase PKM

Cysteine 326 of Pyruvate kinase PKM

A redox-regulated disulphide may form within Pyruvate kinase PKM between cysteines 326 and 358. However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
23
PDB code
6gg5
Structure name
crystal structure of m2 pyk in complex with tryptophan
Structure deposition date
2018-05-02
Thiol separation (Å)
10
Half-sphere exposure sum ?
95
Minimum pKa ?
12
% buried
100
Peptide accession
P14618
Residue number A
326
Residue number B
358
Peptide name
Pyruvate kinase PKM

Ligandability

Cysteine 326 of Pyruvate kinase PKM

Cysteine 358 of Pyruvate kinase PKM

A redox-regulated disulphide may form within Pyruvate kinase PKM between cysteines 358 and 474 (358 and 601 respectively in this structure).

Details

Redox score ?
nan
PDB code
6nu1
Structure name
crystal structure of human pkm2 in complex with l-cysteine
Structure deposition date
2019-01-30
Thiol separation (Å)
9
Half-sphere exposure sum ?
nan
Minimum pKa ?
12
% buried
nan
Peptide accession
P14618
Residue number A
358
Residue number B
474
Peptide name
Pyruvate kinase PKM

Ligandability

Cysteine 358 of Pyruvate kinase PKM

Cysteine 474 of Pyruvate kinase PKM

Uncertain whether structure cysteine 601 has been assigned to correct residue.
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