ReDisulphID

a tool for identifying drug-targetable redox-active disulphides

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Somatostatin receptor type 2

Intramolecular
Cysteine 115 and cysteine 193
Cysteine 54 and cysteine 59
Cysteine 54 and cysteine 306
Cysteine 225 and cysteine 227
Cysteine 268 and cysteine 306
Cysteine 59 and cysteine 306
A redox-regulated disulphide may form within Somatostatin receptor type 2 between cysteines 115 and 193.

Details

Redox score ?
75
PDB code
7xau
Structure name
structure of somatostatin receptor 2 bound with octreotide
Structure deposition date
2022-03-19
Thiol separation (Å)
4
Half-sphere exposure sum ?
70
Minimum pKa ?
9
% buried
27
Peptide accession
P30874
Residue number A
115
Residue number B
193
Peptide name
Somatostatin receptor type 2

Ligandability

Cysteine 115 of Somatostatin receptor type 2

Not ligandable in the dataset of Yang et al.

Not ligandable in the dataset of Yan et al.

Not ligandable in the dataset of Backus et al.

Not ligandable in the dataset of Vinogradova et al.

Not ligandable in the dataset of Cao et al.

Not ligandable in the dataset of Kuljanin et al.

Cysteine 193 of Somatostatin receptor type 2

Not ligandable in the dataset of Yang et al.

Not ligandable in the dataset of Yan et al.

Not ligandable in the dataset of Backus et al.

Not ligandable in the dataset of Vinogradova et al.

Not ligandable in the dataset of Cao et al.

Not ligandable in the dataset of Kuljanin et al.

A redox-regulated disulphide may form within Somatostatin receptor type 2 between cysteines 54 and 59. However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
43
PDB code
7xna
Structure name
crystal structure of somatostatin receptor 2 (sstr2) with peptide antagonist cyn 154806
Structure deposition date
2022-04-28
Thiol separation (Å)
9
Half-sphere exposure sum ?
61
Minimum pKa ?
9
% buried
18
Peptide accession
P30874
Residue number A
54
Residue number B
59
Peptide name
Somatostatin receptor type 2

Ligandability

Cysteine 54 of Somatostatin receptor type 2

Not ligandable in the dataset of Yang et al.

Not ligandable in the dataset of Yan et al.

Not ligandable in the dataset of Backus et al.

Not ligandable in the dataset of Vinogradova et al.

Not ligandable in the dataset of Cao et al.

Not ligandable in the dataset of Kuljanin et al.

Cysteine 59 of Somatostatin receptor type 2

Not ligandable in the dataset of Yang et al.

Not ligandable in the dataset of Yan et al.

Not ligandable in the dataset of Backus et al.

Not ligandable in the dataset of Vinogradova et al.

Not ligandable in the dataset of Cao et al.

Not ligandable in the dataset of Kuljanin et al.

A redox-regulated disulphide may form within Somatostatin receptor type 2 between cysteines 54 and 306. However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
40
PDB code
7xn9
Structure name
crystal structure of sstr2 and l-054,522 complex
Structure deposition date
2022-04-28
Thiol separation (Å)
8
Half-sphere exposure sum ?
73
Minimum pKa ?
10
% buried
50
Peptide accession
P30874
Residue number A
54
Residue number B
306
Peptide name
Somatostatin receptor type 2

Ligandability

Cysteine 54 of Somatostatin receptor type 2

Not ligandable in the dataset of Yang et al.

Not ligandable in the dataset of Yan et al.

Not ligandable in the dataset of Backus et al.

Not ligandable in the dataset of Vinogradova et al.

Not ligandable in the dataset of Cao et al.

Not ligandable in the dataset of Kuljanin et al.

Cysteine 306 of Somatostatin receptor type 2

Not ligandable in the dataset of Yang et al.

Not ligandable in the dataset of Yan et al.

Not ligandable in the dataset of Backus et al.

Not ligandable in the dataset of Vinogradova et al.

Not ligandable in the dataset of Cao et al.

Not ligandable in the dataset of Kuljanin et al.

A redox-regulated disulphide may form within Somatostatin receptor type 2 between cysteines 225 and 227. However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
40
PDB code
7xna
Structure name
crystal structure of somatostatin receptor 2 (sstr2) with peptide antagonist cyn 154806
Structure deposition date
2022-04-28
Thiol separation (Å)
9
Half-sphere exposure sum ?
59
Minimum pKa ?
10
% buried
36
Peptide accession
P30874
Residue number A
225
Residue number B
227
Peptide name
Somatostatin receptor type 2

Ligandability

Cysteine 225 of Somatostatin receptor type 2

Not ligandable in the dataset of Yang et al.

Not ligandable in the dataset of Yan et al.

Not ligandable in the dataset of Backus et al.

Not ligandable in the dataset of Vinogradova et al.

Not ligandable in the dataset of Cao et al.

Not ligandable in the dataset of Kuljanin et al.

Cysteine 227 of Somatostatin receptor type 2

Not ligandable in the dataset of Yang et al.

Not ligandable in the dataset of Yan et al.

Not ligandable in the dataset of Backus et al.

Not ligandable in the dataset of Vinogradova et al.

Not ligandable in the dataset of Cao et al.

Not ligandable in the dataset of Kuljanin et al.

A redox-regulated disulphide may form within Somatostatin receptor type 2 between cysteines 268 and 306. However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
38
PDB code
7xna
Structure name
crystal structure of somatostatin receptor 2 (sstr2) with peptide antagonist cyn 154806
Structure deposition date
2022-04-28
Thiol separation (Å)
9
Half-sphere exposure sum ?
69
Minimum pKa ?
11
% buried
62
Peptide accession
P30874
Residue number A
268
Residue number B
306
Peptide name
Somatostatin receptor type 2

Ligandability

Cysteine 268 of Somatostatin receptor type 2

Not ligandable in the dataset of Yang et al.

Not ligandable in the dataset of Yan et al.

Not ligandable in the dataset of Backus et al.

Not ligandable in the dataset of Vinogradova et al.

Not ligandable in the dataset of Cao et al.

Not ligandable in the dataset of Kuljanin et al.

Cysteine 306 of Somatostatin receptor type 2

Not ligandable in the dataset of Yang et al.

Not ligandable in the dataset of Yan et al.

Not ligandable in the dataset of Backus et al.

Not ligandable in the dataset of Vinogradova et al.

Not ligandable in the dataset of Cao et al.

Not ligandable in the dataset of Kuljanin et al.

A redox-regulated disulphide may form within Somatostatin receptor type 2 between cysteines 59 and 306. However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
36
PDB code
7xn9
Structure name
crystal structure of sstr2 and l-054,522 complex
Structure deposition date
2022-04-28
Thiol separation (Å)
10
Half-sphere exposure sum ?
63
Minimum pKa ?
9
% buried
32
Peptide accession
P30874
Residue number A
59
Residue number B
306
Peptide name
Somatostatin receptor type 2

Ligandability

Cysteine 59 of Somatostatin receptor type 2

Not ligandable in the dataset of Yang et al.

Not ligandable in the dataset of Yan et al.

Not ligandable in the dataset of Backus et al.

Not ligandable in the dataset of Vinogradova et al.

Not ligandable in the dataset of Cao et al.

Not ligandable in the dataset of Kuljanin et al.

Cysteine 306 of Somatostatin receptor type 2

Not ligandable in the dataset of Yang et al.

Not ligandable in the dataset of Yan et al.

Not ligandable in the dataset of Backus et al.

Not ligandable in the dataset of Vinogradova et al.

Not ligandable in the dataset of Cao et al.

Not ligandable in the dataset of Kuljanin et al.

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