ReDisulphID

a tool for identifying drug-targetable redox-active disulphides

Cysteine desulfurase

Intermolecular
Cysteine 381 and cysteine 69 of Iron-sulfur cluster assembly enzyme ISCU
Cysteine 381 and cysteine 130 of Iron-sulfur cluster assembly enzyme ISCU
Cysteine 381 and cysteine 95 of Iron-sulfur cluster assembly enzyme ISCU
Cysteine 381 and cysteine 138 of Iron-sulfur cluster assembly enzyme ISCU
Cysteine 308 and cysteine 50 of Frataxin, mitochondrial
Intramolecular
Cysteine 158 and cysteine 381 L
Cysteine 158 and cysteine 163 L
A redox-regulated disulphide may form between cysteine 381 of Cysteine desulfurase and cysteine 69 of Iron-sulfur cluster assembly enzyme ISCU (381 and 44 respectively in this structure).

Details

Redox score ?
77
PDB code
5wlw
Structure name
crystal structure of the human mitochondrial cysteine desulfurase with active cysteine loop within iscu1 active site, coordinating zn ion
Structure deposition date
2017-07-27
Thiol separation (Å)
5
Half-sphere exposure sum ?
75
Minimum pKa ?
4
% buried
62
Peptide A name
Cysteine desulfurase
Peptide B name
Iron-sulfur cluster assembly enzyme ISCU
Peptide A accession
Q9Y697
Peptide B accession
Q9H1K1
Peptide A residue number
381
Peptide B residue number
69

Ligandability

Cysteine 381 of Cysteine desulfurase

Cysteine 69 of Iron-sulfur cluster assembly enzyme ISCU

A redox-regulated disulphide may form between cysteine 381 of Cysteine desulfurase and cysteine 130 of Iron-sulfur cluster assembly enzyme ISCU. However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
54
PDB code
5kz5
Structure name
architecture of the human mitochondrial iron-sulfur cluster assembly machinery: the complex formed by the iron donor, the sulfur donor, and the scaffold
Structure deposition date
2016-07-22
Thiol separation (Å)
6
Half-sphere exposure sum ?
83
Minimum pKa ?
10
% buried
100
Peptide A name
Cysteine desulfurase
Peptide B name
Iron-sulfur cluster assembly enzyme ISCU
Peptide A accession
Q9Y697
Peptide B accession
Q9H1K1
Peptide A residue number
381
Peptide B residue number
130

Ligandability

Cysteine 381 of Cysteine desulfurase

Cysteine 130 of Iron-sulfur cluster assembly enzyme ISCU

A redox-regulated disulphide may form between cysteine 381 of Cysteine desulfurase and cysteine 95 of Iron-sulfur cluster assembly enzyme ISCU (381 and 70 respectively in this structure). However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
48
PDB code
5wlw
Structure name
crystal structure of the human mitochondrial cysteine desulfurase with active cysteine loop within iscu1 active site, coordinating zn ion
Structure deposition date
2017-07-27
Thiol separation (Å)
5
Half-sphere exposure sum ?
91
Minimum pKa ?
14
% buried
86
Peptide A name
Cysteine desulfurase
Peptide B name
Iron-sulfur cluster assembly enzyme ISCU
Peptide A accession
Q9Y697
Peptide B accession
Q9H1K1
Peptide A residue number
381
Peptide B residue number
95

Ligandability

Cysteine 381 of Cysteine desulfurase

Cysteine 95 of Iron-sulfur cluster assembly enzyme ISCU

A redox-regulated disulphide may form between cysteine 381 of Cysteine desulfurase and cysteine 138 of Iron-sulfur cluster assembly enzyme ISCU (381 and 113 respectively in this structure). However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
39
PDB code
5wlw
Structure name
crystal structure of the human mitochondrial cysteine desulfurase with active cysteine loop within iscu1 active site, coordinating zn ion
Structure deposition date
2017-07-27
Thiol separation (Å)
7
Half-sphere exposure sum ?
87
Minimum pKa ?
16
% buried
80
Peptide A name
Cysteine desulfurase
Peptide B name
Iron-sulfur cluster assembly enzyme ISCU
Peptide A accession
Q9Y697
Peptide B accession
Q9H1K1
Peptide A residue number
381
Peptide B residue number
138

Ligandability

Cysteine 381 of Cysteine desulfurase

Cysteine 138 of Iron-sulfur cluster assembly enzyme ISCU

A redox-regulated disulphide may form between cysteine 308 of Cysteine desulfurase and cysteine 50 of Frataxin, mitochondrial. However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
25
PDB code
5kz5
Structure name
architecture of the human mitochondrial iron-sulfur cluster assembly machinery: the complex formed by the iron donor, the sulfur donor, and the scaffold
Structure deposition date
2016-07-22
Thiol separation (Å)
10
Half-sphere exposure sum ?
83
Minimum pKa ?
11
% buried
92
Peptide A name
Cysteine desulfurase
Peptide B name
Frataxin, mitochondrial
Peptide A accession
Q9Y697
Peptide B accession
Q16595
Peptide A residue number
308
Peptide B residue number
50

Ligandability

Cysteine 308 of Cysteine desulfurase

Cysteine 50 of Frataxin, mitochondrial

A redox-regulated disulphide may form within Cysteine desulfurase between cysteines 158 and 381. However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
52
PDB code
6w1d
Structure name
structure of human mitochondrial complex nfs1-iscu2 (wt)-isd11 with e
Structure deposition date
2020-03-04
Thiol separation (Å)
8
Half-sphere exposure sum ?
nan
Minimum pKa ?
10
% buried
85
Peptide accession
Q9Y697
Residue number A
158
Residue number B
381
Peptide name
Cysteine desulfurase

Ligandability

Cysteine 158 of Cysteine desulfurase

Cysteine 381 of Cysteine desulfurase

A redox-regulated disulphide may form within Cysteine desulfurase between cysteines 158 and 163. However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?

Details

Redox score ?
35
PDB code
5usr
Structure name
crystal structure of human nfs1-isd11 in complex with e
Structure deposition date
2017-02-13
Thiol separation (Å)
10
Half-sphere exposure sum ?
64
Minimum pKa ?
11
% buried
70
Peptide accession
Q9Y697
Residue number A
158
Residue number B
163
Peptide name
Cysteine desulfurase

Ligandability

Cysteine 158 of Cysteine desulfurase

Cysteine 163 of Cysteine desulfurase

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