Suppressor of tumorigenicity 14 protein
Intermolecular
Cysteine 731 and cysteine 604
Cysteine 657 and cysteine 283 of Kunitz-type protease inhibitor 1
Cysteine 101 of Serine peptidase inhibitor, Kunitz type 1 and cysteine 657
Cysteine 657 and cysteine 49 of Pancreatic trypsin inhibitor
Cysteine 657 and cysteine 259 of Kunitz-type protease inhibitor 1
Cysteine 77 of Serine peptidase inhibitor, Kunitz type 1 and cysteine 657
Cysteine 283 of Kunitz-type protease inhibitor 1 and cysteine 641
Cysteine 101 of Serine peptidase inhibitor, Kunitz type 1 and cysteine 641
Cysteine 259 of Kunitz-type protease inhibitor 1 and cysteine 641
Cysteine 77 of Serine peptidase inhibitor, Kunitz type 1 and cysteine 641
More...Cysteine 641 and cysteine 49 of Pancreatic trypsin inhibitor
Intramolecular
Cysteine 776 and cysteine 790
Cysteine 801 and cysteine 830
Cysteine 641 and cysteine 657
4r0i A 122 B 5
A redox-regulated disulphide may form between two units of Suppressor of tumorigenicity 14 protein at cysteines 731 and 604 (122 and 5 respectively in this structure).
Details
Redox score ?
85
PDB code
4r0i
Structure name
crystal structure of matriptase in complex with inhibitor
Structure deposition date
2014-07-31
Thiol separation (Å)
2
Half-sphere exposure sum ?
nan
Minimum pKa ?
nan
% buried
nan
Peptide A name
Suppressor of tumorigenicity 14 protein
Peptide B name
Suppressor of tumorigenicity 14 protein
Peptide A accession
Q9Y5Y6
Peptide B accession
Q9Y5Y6
Peptide A residue number
731
Peptide B residue number
604
Ligandability
Cysteine 731 of Suppressor of tumorigenicity 14 protein
Cysteine 604 of Suppressor of tumorigenicity 14 protein
Uncertain whether structure cysteine 5 has been assigned to correct residue.
4iso A 58 B 283
A redox-regulated disulphide may form between cysteine 657 of Suppressor of tumorigenicity 14 protein and cysteine 283 of Kunitz-type protease inhibitor 1 (58 and 283 respectively in this structure). However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?
Details
Redox score ?
44
PDB code
4iso
Structure name
crystal structure of matriptase in complex with its inhibitor hai-1
Structure deposition date
2013-01-16
Thiol separation (Å)
8
Half-sphere exposure sum ?
89
Minimum pKa ?
nan
% buried
nan
Peptide A name
Suppressor of tumorigenicity 14 protein
Peptide B name
Kunitz-type protease inhibitor 1
Peptide A accession
Q9Y5Y6
Peptide B accession
O43278
Peptide A residue number
657
Peptide B residue number
283
Ligandability
Cysteine 657 of Suppressor of tumorigenicity 14 protein
Cysteine 283 of Kunitz-type protease inhibitor 1
4isn B 283 A 58
A redox-regulated disulphide may form between cysteine 101 of Serine peptidase inhibitor, Kunitz type 1 and cysteine 657 of Suppressor of tumorigenicity 14 protein (283 and 58 respectively in this structure). However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?
Details
Redox score ?
42
PDB code
4isn
Structure name
crystal structure of matriptase in complex with its inhibitor hai-1
Structure deposition date
2013-01-16
Thiol separation (Å)
9
Half-sphere exposure sum ?
90
Minimum pKa ?
nan
% buried
nan
Peptide A name
Serine peptidase inhibitor, Kunitz type 1
Peptide B name
Suppressor of tumorigenicity 14 protein
Peptide A accession
H3BR01
Peptide B accession
Q9Y5Y6
Peptide A residue number
101
Peptide B residue number
657
Ligandability
Cysteine 101 of Serine peptidase inhibitor, Kunitz type 1
Cysteine 657 of Suppressor of tumorigenicity 14 protein
1eaw C 58 D 14
A redox-regulated disulphide may form between cysteine 657 of Suppressor of tumorigenicity 14 protein and cysteine 49 of Pancreatic trypsin inhibitor (58 and 14 respectively in this structure). However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?
Details
Redox score ?
41
PDB code
1eaw
Structure name
crystal structure of the mtsp1 (matriptase)-bpti (aprotinin) complex
Structure deposition date
2001-07-17
Thiol separation (Å)
8
Half-sphere exposure sum ?
100
Minimum pKa ?
nan
% buried
nan
Peptide A name
Suppressor of tumorigenicity 14 protein
Peptide B name
Pancreatic trypsin inhibitor
Peptide A accession
Q9Y5Y6
Peptide B accession
P00974
Peptide A residue number
657
Peptide B residue number
49
Ligandability
Cysteine 657 of Suppressor of tumorigenicity 14 protein
Cysteine 49 of Pancreatic trypsin inhibitor
4iso A 58 B 259
A redox-regulated disulphide may form between cysteine 657 of Suppressor of tumorigenicity 14 protein and cysteine 259 of Kunitz-type protease inhibitor 1 (58 and 259 respectively in this structure). However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?
Details
Redox score ?
40
PDB code
4iso
Structure name
crystal structure of matriptase in complex with its inhibitor hai-1
Structure deposition date
2013-01-16
Thiol separation (Å)
8
Half-sphere exposure sum ?
101
Minimum pKa ?
nan
% buried
nan
Peptide A name
Suppressor of tumorigenicity 14 protein
Peptide B name
Kunitz-type protease inhibitor 1
Peptide A accession
Q9Y5Y6
Peptide B accession
O43278
Peptide A residue number
657
Peptide B residue number
259
Ligandability
Cysteine 657 of Suppressor of tumorigenicity 14 protein
Cysteine 259 of Kunitz-type protease inhibitor 1
4isn B 259 A 58
A redox-regulated disulphide may form between cysteine 77 of Serine peptidase inhibitor, Kunitz type 1 and cysteine 657 of Suppressor of tumorigenicity 14 protein (259 and 58 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
4isn
Structure name
crystal structure of matriptase in complex with its inhibitor hai-1
Structure deposition date
2013-01-16
Thiol separation (Å)
8
Half-sphere exposure sum ?
103
Minimum pKa ?
nan
% buried
nan
Peptide A name
Serine peptidase inhibitor, Kunitz type 1
Peptide B name
Suppressor of tumorigenicity 14 protein
Peptide A accession
H3BR01
Peptide B accession
Q9Y5Y6
Peptide A residue number
77
Peptide B residue number
657
Ligandability
Cysteine 77 of Serine peptidase inhibitor, Kunitz type 1
Cysteine 657 of Suppressor of tumorigenicity 14 protein
4isl B 283 A 42
A redox-regulated disulphide may form between cysteine 283 of Kunitz-type protease inhibitor 1 and cysteine 641 of Suppressor of tumorigenicity 14 protein (283 and 42 respectively in this structure). However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?
Details
Redox score ?
38
PDB code
4isl
Structure name
crystal structure of the inactive matriptase in complex with its inhibitor hai-1
Structure deposition date
2013-01-16
Thiol separation (Å)
9
Half-sphere exposure sum ?
87
Minimum pKa ?
nan
% buried
nan
Peptide A name
Kunitz-type protease inhibitor 1
Peptide B name
Suppressor of tumorigenicity 14 protein
Peptide A accession
O43278
Peptide B accession
Q9Y5Y6
Peptide A residue number
283
Peptide B residue number
641
Ligandability
Cysteine 283 of Kunitz-type protease inhibitor 1
Cysteine 641 of Suppressor of tumorigenicity 14 protein
4isn B 283 A 42
A redox-regulated disulphide may form between cysteine 101 of Serine peptidase inhibitor, Kunitz type 1 and cysteine 641 of Suppressor of tumorigenicity 14 protein (283 and 42 respectively in this structure). However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?
Details
Redox score ?
38
PDB code
4isn
Structure name
crystal structure of matriptase in complex with its inhibitor hai-1
Structure deposition date
2013-01-16
Thiol separation (Å)
9
Half-sphere exposure sum ?
86
Minimum pKa ?
nan
% buried
nan
Peptide A name
Serine peptidase inhibitor, Kunitz type 1
Peptide B name
Suppressor of tumorigenicity 14 protein
Peptide A accession
H3BR01
Peptide B accession
Q9Y5Y6
Peptide A residue number
101
Peptide B residue number
641
Ligandability
Cysteine 101 of Serine peptidase inhibitor, Kunitz type 1
Cysteine 641 of Suppressor of tumorigenicity 14 protein
4isl B 259 A 42
A redox-regulated disulphide may form between cysteine 259 of Kunitz-type protease inhibitor 1 and cysteine 641 of Suppressor of tumorigenicity 14 protein (259 and 42 respectively in this structure). However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?
Details
Redox score ?
36
PDB code
4isl
Structure name
crystal structure of the inactive matriptase in complex with its inhibitor hai-1
Structure deposition date
2013-01-16
Thiol separation (Å)
9
Half-sphere exposure sum ?
98
Minimum pKa ?
nan
% buried
nan
Peptide A name
Kunitz-type protease inhibitor 1
Peptide B name
Suppressor of tumorigenicity 14 protein
Peptide A accession
O43278
Peptide B accession
Q9Y5Y6
Peptide A residue number
259
Peptide B residue number
641
Ligandability
Cysteine 259 of Kunitz-type protease inhibitor 1
Cysteine 641 of Suppressor of tumorigenicity 14 protein
4isn B 259 A 42
A redox-regulated disulphide may form between cysteine 77 of Serine peptidase inhibitor, Kunitz type 1 and cysteine 641 of Suppressor of tumorigenicity 14 protein (259 and 42 respectively in this structure). However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?
Details
Redox score ?
35
PDB code
4isn
Structure name
crystal structure of matriptase in complex with its inhibitor hai-1
Structure deposition date
2013-01-16
Thiol separation (Å)
9
Half-sphere exposure sum ?
100
Minimum pKa ?
nan
% buried
nan
Peptide A name
Serine peptidase inhibitor, Kunitz type 1
Peptide B name
Suppressor of tumorigenicity 14 protein
Peptide A accession
H3BR01
Peptide B accession
Q9Y5Y6
Peptide A residue number
77
Peptide B residue number
641
Ligandability
Cysteine 77 of Serine peptidase inhibitor, Kunitz type 1
Cysteine 641 of Suppressor of tumorigenicity 14 protein
1eaw A 42 B 14
A redox-regulated disulphide may form between cysteine 641 of Suppressor of tumorigenicity 14 protein and cysteine 49 of Pancreatic trypsin inhibitor (42 and 14 respectively in this structure). However, the redox score of this cysteine pair is lower than any known redox-active intermolecular disulphide. ?
Details
Redox score ?
35
PDB code
1eaw
Structure name
crystal structure of the mtsp1 (matriptase)-bpti (aprotinin) complex
Structure deposition date
2001-07-17
Thiol separation (Å)
9
Half-sphere exposure sum ?
97
Minimum pKa ?
nan
% buried
nan
Peptide A name
Suppressor of tumorigenicity 14 protein
Peptide B name
Pancreatic trypsin inhibitor
Peptide A accession
Q9Y5Y6
Peptide B accession
P00974
Peptide A residue number
641
Peptide B residue number
49
Ligandability
Cysteine 641 of Suppressor of tumorigenicity 14 protein
Cysteine 49 of Pancreatic trypsin inhibitor
4o9v A 168 A 182
A redox-regulated disulphide may form within Suppressor of tumorigenicity 14 protein between cysteines 776 and 790 (168 and 182 respectively in this structure).
Details
Redox score ?
81
PDB code
4o9v
Structure name
crystal structure of matriptase in complex with inhibitor
Structure deposition date
2014-01-03
Thiol separation (Å)
2
Half-sphere exposure sum ?
80
Minimum pKa ?
nan
% buried
nan
Peptide accession
Q9Y5Y6
Residue number A
776
Residue number B
790
Peptide name
Suppressor of tumorigenicity 14 protein
Ligandability
Cysteine 776 of Suppressor of tumorigenicity 14 protein
Cysteine 790 of Suppressor of tumorigenicity 14 protein
4isn A 191 A 220
A redox-regulated disulphide may form within Suppressor of tumorigenicity 14 protein between cysteines 801 and 830 (191 and 220 respectively in this structure).
Details
Redox score ?
78
PDB code
4isn
Structure name
crystal structure of matriptase in complex with its inhibitor hai-1
Structure deposition date
2013-01-16
Thiol separation (Å)
2
Half-sphere exposure sum ?
100
Minimum pKa ?
nan
% buried
nan
Peptide accession
Q9Y5Y6
Residue number A
801
Residue number B
830
Peptide name
Suppressor of tumorigenicity 14 protein
Ligandability
Cysteine 801 of Suppressor of tumorigenicity 14 protein
Cysteine 830 of Suppressor of tumorigenicity 14 protein
3so3 A 42 A 58
A redox-regulated disulphide may form within Suppressor of tumorigenicity 14 protein between cysteines 641 and 657 (42 and 58 respectively in this structure).
Details
Redox score ?
68
PDB code
3so3
Structure name
structures of fab-protease complexes reveal a highly specific non- canonical mechanism of inhibition
Structure deposition date
2011-06-29
Thiol separation (Å)
4
Half-sphere exposure sum ?
94
Minimum pKa ?
nan
% buried
50
Peptide accession
Q9Y5Y6
Residue number A
641
Residue number B
657
Peptide name
Suppressor of tumorigenicity 14 protein
Ligandability
Cysteine 641 of Suppressor of tumorigenicity 14 protein
Cysteine 657 of Suppressor of tumorigenicity 14 protein
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