ReDisulphID

a tool for identifying drug-targetable redox-active disulphides

DNA dC->dU-editing enzyme APOBEC-3B

Intramolecular
Cysteine 97 and cysteine 100
Cysteine 284 and cysteine 289
Cysteine 36 and cysteine 156
Cysteine 217 and cysteine 344
Cysteine 70 and cysteine 100
Cysteine 217 and cysteine 239
Cysteine 284 and cysteine 239
A redox-regulated disulphide may form within DNA dC->dU-editing enzyme APOBEC-3B between cysteines 97 and 100.

Details

Redox score ?
80
PDB code
5tkm
Structure name
crystal structure of human apobec3b n-terminal domain
Structure deposition date
2016-10-07
Thiol separation (Å)
4
Half-sphere exposure sum ?
67
Minimum pKa ?
5
% buried
62
Peptide accession
Q9UH17
Residue number A
97
Residue number B
100
Peptide name
DNA dC->dU-editing enzyme APOBEC-3B

Ligandability

Cysteine 97 of DNA dC->dU-editing enzyme APOBEC-3B

Cysteine 100 of DNA dC->dU-editing enzyme APOBEC-3B

A redox-regulated disulphide may form within DNA dC->dU-editing enzyme APOBEC-3B between cysteines 284 and 289.

Details

Redox score ?
74
PDB code
6nfm
Structure name
crystal structure of the cancer genomic dna mutator apobec3b with loop 7 from apobec3g
Structure deposition date
2018-12-20
Thiol separation (Å)
3
Half-sphere exposure sum ?
71
Minimum pKa ?
10
% buried
88
Peptide accession
Q9UH17
Residue number A
284
Residue number B
289
Peptide name
DNA dC->dU-editing enzyme APOBEC-3B

Ligandability

Cysteine 284 of DNA dC->dU-editing enzyme APOBEC-3B

Cysteine 289 of DNA dC->dU-editing enzyme APOBEC-3B

A redox-regulated disulphide may form within DNA dC->dU-editing enzyme APOBEC-3B between cysteines 36 and 156.

Details

Redox score ?
61
PDB code
5tkm
Structure name
crystal structure of human apobec3b n-terminal domain
Structure deposition date
2016-10-07
Thiol separation (Å)
5
Half-sphere exposure sum ?
87
Minimum pKa ?
9
% buried
100
Peptide accession
Q9UH17
Residue number A
36
Residue number B
156
Peptide name
DNA dC->dU-editing enzyme APOBEC-3B

Ligandability

Cysteine 36 of DNA dC->dU-editing enzyme APOBEC-3B

Cysteine 156 of DNA dC->dU-editing enzyme APOBEC-3B

A redox-regulated disulphide may form within DNA dC->dU-editing enzyme APOBEC-3B between cysteines 217 and 344. However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
60
PDB code
5td5
Structure name
crystal structure of human apobec3b variant complexed with ssdna
Structure deposition date
2016-09-16
Thiol separation (Å)
5
Half-sphere exposure sum ?
80
Minimum pKa ?
9
% buried
100
Peptide accession
Q9UH17
Residue number A
217
Residue number B
344
Peptide name
DNA dC->dU-editing enzyme APOBEC-3B

Ligandability

Cysteine 217 of DNA dC->dU-editing enzyme APOBEC-3B

Cysteine 344 of DNA dC->dU-editing enzyme APOBEC-3B

A redox-regulated disulphide may form within DNA dC->dU-editing enzyme APOBEC-3B between cysteines 70 and 100. However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
41
PDB code
5tkm
Structure name
crystal structure of human apobec3b n-terminal domain
Structure deposition date
2016-10-07
Thiol separation (Å)
9
Half-sphere exposure sum ?
60
Minimum pKa ?
10
% buried
58
Peptide accession
Q9UH17
Residue number A
70
Residue number B
100
Peptide name
DNA dC->dU-editing enzyme APOBEC-3B

Ligandability

Cysteine 70 of DNA dC->dU-editing enzyme APOBEC-3B

Cysteine 100 of DNA dC->dU-editing enzyme APOBEC-3B

A redox-regulated disulphide may form within DNA dC->dU-editing enzyme APOBEC-3B between cysteines 217 and 239. However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
35
PDB code
2nbq
Structure name
nmr structure of the c-terminal domain of human apobec3b
Structure deposition date
2016-03-09
Thiol separation (Å)
9
Half-sphere exposure sum ?
70
Minimum pKa ?
10
% buried
76
Peptide accession
Q9UH17
Residue number A
217
Residue number B
239
Peptide name
DNA dC->dU-editing enzyme APOBEC-3B

Ligandability

Cysteine 217 of DNA dC->dU-editing enzyme APOBEC-3B

Cysteine 239 of DNA dC->dU-editing enzyme APOBEC-3B

A redox-regulated disulphide may form within DNA dC->dU-editing enzyme APOBEC-3B between cysteines 284 and 239 (284 and 319 respectively in this structure).

Details

Redox score ?
nan
PDB code
6nfm
Structure name
crystal structure of the cancer genomic dna mutator apobec3b with loop 7 from apobec3g
Structure deposition date
2018-12-20
Thiol separation (Å)
10
Half-sphere exposure sum ?
66
Minimum pKa ?
11
% buried
60
Peptide accession
Q9UH17
Residue number A
284
Residue number B
239
Peptide name
DNA dC->dU-editing enzyme APOBEC-3B

Ligandability

Cysteine 284 of DNA dC->dU-editing enzyme APOBEC-3B

Cysteine 239 of DNA dC->dU-editing enzyme APOBEC-3B

Uncertain whether structure cysteine 319 has been assigned to correct residue.
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