ReDisulphID

a tool for identifying drug-targetable redox-active disulphides

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Transcobalamin-2

Intramolecular
Cysteine 21 and cysteine 267
Cysteine 116 and cysteine 309
Cysteine 165 and cysteine 205
Cysteine 83 and cysteine 96
A redox-regulated disulphide may form within Transcobalamin-2 between cysteines 21 and 267 (3 and 249 respectively in this structure).

Details

Redox score ?
85
PDB code
2bb5
Structure name
structure of human transcobalamin in complex with cobalamin
Structure deposition date
2005-10-17
Thiol separation (Å)
2
Half-sphere exposure sum ?
69
Minimum pKa ?
nan
% buried
nan
Peptide accession
P20062
Residue number A
21
Residue number B
267
Peptide name
Transcobalamin-2

Ligandability

Cysteine 21 of Transcobalamin-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 267 of Transcobalamin-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 Transcobalamin-2 between cysteines 116 and 309 (98 and 291 respectively in this structure).

Details

Redox score ?
84
PDB code
7qbe
Structure name
tc:cd320 in complex with nanobody tc-nb11
Structure deposition date
2021-11-19
Thiol separation (Å)
2
Half-sphere exposure sum ?
59
Minimum pKa ?
nan
% buried
nan
Peptide accession
P20062
Residue number A
116
Residue number B
309
Peptide name
Transcobalamin-2

Ligandability

Cysteine 116 of Transcobalamin-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 309 of Transcobalamin-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 Transcobalamin-2 between cysteines 165 and 205 (147 and 187 respectively in this structure).

Details

Redox score ?
78
PDB code
7qbg
Structure name
tc:cd320 in complex with nanobody tc-nb4
Structure deposition date
2021-11-19
Thiol separation (Å)
2
Half-sphere exposure sum ?
84
Minimum pKa ?
nan
% buried
nan
Peptide accession
P20062
Residue number A
165
Residue number B
205
Peptide name
Transcobalamin-2

Ligandability

Cysteine 165 of Transcobalamin-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 205 of Transcobalamin-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 Transcobalamin-2 between cysteines 83 and 96 (65 and 78 respectively in this structure). However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
45
PDB code
2bb5
Structure name
structure of human transcobalamin in complex with cobalamin
Structure deposition date
2005-10-17
Thiol separation (Å)
10
Half-sphere exposure sum ?
41
Minimum pKa ?
9
% buried
11
Peptide accession
P20062
Residue number A
83
Residue number B
96
Peptide name
Transcobalamin-2

Ligandability

Cysteine 83 of Transcobalamin-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 96 of Transcobalamin-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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