1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
0000-0001-8672-0567
del Rio Portilla, F.
Melchor Meneses, C.M.
Titaux Delgado, G.A.
Mayorga Flores, M.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
US
Acs Med.Chem.Lett.
1948-5875
10.1021/acsmedchemlett.0c00300
Novel Blocker of Onco SK3 Channels Derived from Scorpion Toxin Tamapin and Active against Migration of Cancer Cells
2020
10.2210/pdb6d8t/pdb
pdb_00006d8t
3470.186
Potassium channel toxin alpha-KTx 5.4
E25K, K27E
1
man
polymer
Tamapin
no
no
AFCNLRRCELSCRSLGLLGKCIGEKCECVPY
AFCNLRRCELSCRSLGLLGKCIGEKCECVPY
A
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Eastern Indian scorpion
sample
1
31
34647
Mesobuthus tamulus
562
Escherichia coli
Rosetta
Biological sequence
citation
citation_author
database_2
pdbx_database_status
repository
Initial release
Database references
Database references
Other
1
0
2019-05-01
1
1
2020-07-29
1
2
2023-06-14
_citation.country
_citation.journal_abbrev
_citation.journal_id_CSD
_citation.journal_id_ISSN
_citation.pdbx_database_id_DOI
_citation.title
_citation.year
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.status_code_nmr_data
NMR solution structure of tamapin, mutant E25K/K27E
N
RCSB
Y
RCSB
2018-04-26
REL
REL
REL
REL
structures with the lowest energy
200
20
isotropic
1
2D 1H-1H TOCSY
isotropic
1
2D 1H-1H NOESY
2.0
mM
natural abundance
0
Not defined
1
6.5
pH
1
atm
298
K
used also for simulated annealing
molecular dynamics
1
lowest energy
2.0 mM Potassium channel toxin alpha-KTx 5.4, 95% H2O/5% D2O
1H_sample
95% H2O/5% D2O
solution
Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman
refinement
Amber
16
Guntert, Mumenthaler and Wuthrich
structure calculation
CYANA
2.1
Keller and Wuthrich
chemical shift assignment
CARA
1.8
Keller and Wuthrich
peak picking
CARA
1.8
Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
processing
NMRPipe
2014
500
Varian
INOVA
ALA
1
n
1
ALA
1
A
PHE
2
n
2
PHE
2
A
CYS
3
n
3
CYS
3
A
ASN
4
n
4
ASN
4
A
LEU
5
n
5
LEU
5
A
ARG
6
n
6
ARG
6
A
ARG
7
n
7
ARG
7
A
CYS
8
n
8
CYS
8
A
GLU
9
n
9
GLU
9
A
LEU
10
n
10
LEU
10
A
SER
11
n
11
SER
11
A
CYS
12
n
12
CYS
12
A
ARG
13
n
13
ARG
13
A
SER
14
n
14
SER
14
A
LEU
15
n
15
LEU
15
A
GLY
16
n
16
GLY
16
A
LEU
17
n
17
LEU
17
A
LEU
18
n
18
LEU
18
A
GLY
19
n
19
GLY
19
A
LYS
20
n
20
LYS
20
A
CYS
21
n
21
CYS
21
A
ILE
22
n
22
ILE
22
A
GLY
23
n
23
GLY
23
A
GLU
24
n
24
GLU
24
A
LYS
25
n
25
LYS
25
A
CYS
26
n
26
CYS
26
A
GLU
27
n
27
GLU
27
A
CYS
28
n
28
CYS
28
A
VAL
29
n
29
VAL
29
A
PRO
30
n
30
PRO
30
A
TYR
31
n
31
TYR
31
A
author_defined_assembly
1
monomeric
none
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
identity operation
0.0000000000
0.0000000000
0.0000000000
A
N
LYS
20
A
N
LYS
20
A
O
GLU
27
A
O
GLU
27
16
A
ARG
7
0.083
SIDE CHAIN
18
A
ARG
13
0.076
SIDE CHAIN
1
3.70
0.50
120.30
124.00
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
7
7
7
N
1
3.87
0.50
120.30
124.17
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
13
13
13
N
2
4.10
0.50
120.30
124.40
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
7
7
7
N
2
3.29
0.50
120.30
123.59
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
13
13
13
N
3
3.40
0.50
120.30
123.70
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
7
7
7
N
4
3.38
0.50
120.30
123.68
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
6
6
6
N
4
3.69
0.50
120.30
123.99
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
7
7
7
N
5
3.03
0.50
120.30
123.33
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
7
7
7
N
5
3.39
0.50
120.30
123.69
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
13
13
13
N
6
3.11
0.50
120.30
123.41
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
6
6
6
N
7
3.21
0.50
120.30
123.51
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
6
6
6
N
7
3.34
0.50
120.30
123.64
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
7
7
7
N
7
3.78
0.50
120.30
124.08
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
13
13
13
N
8
4.45
0.50
120.30
124.75
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
13
13
13
N
9
3.24
0.50
120.30
123.54
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
6
6
6
N
9
3.62
0.50
120.30
123.92
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
7
7
7
N
10
3.03
0.50
120.30
123.33
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
6
6
6
N
10
3.27
0.50
120.30
123.57
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
7
7
7
N
10
3.29
0.50
120.30
123.59
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
13
13
13
N
11
4.34
0.50
120.30
124.64
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
7
7
7
N
12
3.67
0.50
120.30
123.97
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
7
7
7
N
12
3.41
0.50
120.30
123.71
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
13
13
13
N
13
3.60
0.50
120.30
123.90
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
6
6
6
N
13
4.28
0.50
120.30
124.58
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
7
7
7
N
13
3.44
0.50
120.30
123.74
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
13
13
13
N
14
3.03
0.50
120.30
123.33
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
6
6
6
N
14
3.70
0.50
120.30
124.00
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
7
7
7
N
15
3.22
0.50
120.30
123.52
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
13
13
13
N
16
3.29
0.50
120.30
123.59
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
6
6
6
N
16
3.24
0.50
120.30
123.54
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
7
7
7
N
17
3.65
0.50
120.30
123.96
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
6
6
6
N
17
3.96
0.50
120.30
124.26
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
7
7
7
N
17
3.07
0.50
120.30
123.37
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
13
13
13
N
18
3.97
0.50
120.30
124.27
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
6
6
6
N
18
3.57
0.50
120.30
123.87
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
7
7
7
N
19
3.28
0.50
120.30
123.58
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
6
6
6
N
19
3.13
0.50
120.30
123.43
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
7
7
7
N
19
3.16
0.50
120.30
123.46
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
13
13
13
N
20
4.09
0.50
120.30
124.39
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
6
6
6
N
20
3.83
0.50
120.30
124.13
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
7
7
7
N
20
3.32
0.50
120.30
123.62
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
13
13
13
N
1
A
PRO
30
-80.61
42.81
2
A
ILE
22
-141.02
-20.24
3
A
PRO
30
-68.35
36.19
5
A
PRO
30
-79.71
42.35
6
A
ASN
4
-114.53
75.29
6
A
PRO
30
-70.42
20.48
7
A
PRO
30
-76.54
30.15
8
A
PRO
30
-74.74
29.62
9
A
ASN
4
-67.17
94.39
9
A
PRO
30
-74.72
38.65
10
A
PRO
30
-77.62
42.19
11
A
PRO
30
-80.06
36.38
13
A
PRO
30
-77.15
45.06
14
A
GLU
24
57.97
0.91
15
A
GLU
24
60.41
-3.32
15
A
PRO
30
-76.42
31.44
19
A
GLU
24
64.26
-2.60
19
A
PRO
30
-78.52
45.36
20
A
PRO
30
-77.76
27.81
N
NMR solution structure of tamapin, mutant E25K/K27E
1
N
N
A
ASN
4
A
ASN
4
HELX_P
A
SER
14
A
SER
14
1
AA1
11
disulf
2.043
A
CYS
3
A
SG
CYS
3
1_555
A
CYS
21
A
SG
CYS
21
1_555
disulf
2.028
A
CYS
8
A
SG
CYS
8
1_555
A
CYS
26
A
SG
CYS
26
1_555
disulf
2.035
A
CYS
12
A
SG
CYS
12
1_555
A
CYS
28
A
SG
CYS
28
1_555
TOXIN
Tamapin mutant, E25K/K27E, CSalpha/beta, SK channels, TOXIN
KAX54_MESTA
UNP
1
1
P59869
AFCNLRRCELSCRSLGLLGKCIGEECKCVPY
1
31
6D8T
1
31
P59869
A
1
1
31
1
GLU
engineered mutation
LYS
25
6D8T
A
P59869
UNP
25
25
1
LYS
engineered mutation
GLU
27
6D8T
A
P59869
UNP
27
27
2
anti-parallel
A
GLY
19
A
GLY
19
A
CYS
21
A
CYS
21
A
CYS
26
A
CYS
26
A
CYS
28
A
CYS
28