1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Korolokova, Y.V.
Bocharov, E.V.
Angelo, K.
Maslennikov, I.V.
Grinenko, O.V.
Lipkin, A.V.
Nosireva, E.D.
Pluzhnikov, K.A.
Olesen, S.-P.
Arseniev, A.S.
Grishin, E.V.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C5 H10 N2 O3
146.144
y
GLUTAMINE
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 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
C4 H9 N O3
119.119
y
THREONINE
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
J.Biol.Chem.
JBCHA3
0071
0021-9258
277
43104
43109
10.1074/jbc.M204083200
12151390
New binding site on common molecular scaffold provides HERG channel specificity of scorpion toxin BeKm-1.
2002
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
276
9868
9876
10.1074/jbc.M005973200
An ERG Channel Inhibitor from the Scorpion Buthus eupeus
2001
10.2210/pdb1lgl/pdb
pdb_00001lgl
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1
SINGLE WAVELENGTH
M
1
1.0
4103.730
BeKm-1 toxin
1
man
polymer
no
no
RPTDIKCSESYQCFPVCKSRFGKTNGRCVNGFCDCF
RPTDIKCSESYQCFPVCKSRFGKTNGRCVNGFCDCF
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
n
n
n
n
n
lesser Asian scorpion
Mesobuthus
Escherichia
sample
34648
Mesobuthus eupeus
562
Escherichia coli
HB101
PLASMID
PEZZ18
database_2
pdbx_struct_assembly
pdbx_struct_oper_list
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
1
0
2002-11-20
1
1
2008-04-28
1
2
2011-07-13
1
3
2022-02-23
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
Proton chemical shifts and coupling constants of BeKm-1
RCSB
Y
RCSB
2002-04-16
REL
REL
This structure was determined using standard 2D homonuclear techniques.
target function
200
20
DQF-COSY
2D TOCSY
2D NOESY
DQF-COSY
2D TOCSY
2D NOESY
0
3.5
ambient
303
K
The structures are based on a total of 653 restraints:
326/67 are NOE-derived upper/lower distance constraints,
68/46 backbone/sidechain dihedral angle restraints,
64/64 upper/lower distance restraints from 23 (18 bb-bb, 5 bb-sc) hydrogen bonds,
9/9 upper/lower distance restraints from 3 SS-bonds.
simulated annealing combined with torsion angle dynamics
5
lowest energy
1 mM BeKm-1, 90% H2O, 10% D2O
90% H2O/10% D2O
1 mM BeKm-1, 99.9% D2O
99.9% D2O
VARIAN
collection
VNMR
5.3b
VARIAN
processing
VNMR
5.3b
Bartels
data analysis
XEASY
1.2.11
Guentert
structure solution
DYANA
1.5
Schaumann
refinement
FANTOM
4
600
Varian
UNITY
ARG
1
n
1
ARG
1
A
PRO
2
n
2
PRO
2
A
THR
3
n
3
THR
3
A
ASP
4
n
4
ASP
4
A
ILE
5
n
5
ILE
5
A
LYS
6
n
6
LYS
6
A
CYS
7
n
7
CYS
7
A
SER
8
n
8
SER
8
A
GLU
9
n
9
GLU
9
A
SER
10
n
10
SER
10
A
TYR
11
n
11
TYR
11
A
GLN
12
n
12
GLN
12
A
CYS
13
n
13
CYS
13
A
PHE
14
n
14
PHE
14
A
PRO
15
n
15
PRO
15
A
VAL
16
n
16
VAL
16
A
CYS
17
n
17
CYS
17
A
LYS
18
n
18
LYS
18
A
SER
19
n
19
SER
19
A
ARG
20
n
20
ARG
20
A
PHE
21
n
21
PHE
21
A
GLY
22
n
22
GLY
22
A
LYS
23
n
23
LYS
23
A
THR
24
n
24
THR
24
A
ASN
25
n
25
ASN
25
A
GLY
26
n
26
GLY
26
A
ARG
27
n
27
ARG
27
A
CYS
28
n
28
CYS
28
A
VAL
29
n
29
VAL
29
A
ASN
30
n
30
ASN
30
A
GLY
31
n
31
GLY
31
A
PHE
32
n
32
PHE
32
A
CYS
33
n
33
CYS
33
A
ASP
34
n
34
ASP
34
A
CYS
35
n
35
CYS
35
A
PHE
36
n
36
PHE
36
A
author_defined_assembly
1
monomeric
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
A
O
ILE
5
A
O
ILE
5
A
N
CYS
33
A
N
CYS
33
A
N
PHE
36
A
N
PHE
36
A
O
ASN
25
A
O
ASN
25
10
A
ARG
27
0.101
SIDE CHAIN
15
A
ARG
27
0.113
SIDE CHAIN
16
A
ARG
1
0.110
SIDE CHAIN
1
A
THR
3
-127.12
-161.28
2
A
THR
3
-126.95
-164.54
3
A
THR
3
-125.60
-164.29
6
A
THR
3
-126.54
-165.06
8
A
THR
3
-124.99
-164.67
10
A
THR
3
-126.41
-162.36
12
A
THR
3
-123.47
-162.14
15
A
THR
3
-126.62
-164.11
16
A
THR
3
-123.98
-164.44
18
A
THR
3
-126.98
-159.58
20
A
THR
3
-129.39
-159.61
Solution structure of HERG-specific scorpion toxin BeKm-1
1
N
N
A
GLU
9
A
GLU
9
HELX_P
A
GLN
12
A
GLN
12
5
1
4
A
CYS
13
A
CYS
13
HELX_P
A
PHE
21
A
PHE
21
1
2
9
disulf
2.008
A
CYS
7
A
SG
CYS
7
1_555
A
CYS
28
A
SG
CYS
28
1_555
disulf
2.177
A
CYS
13
A
SG
CYS
13
1_555
A
CYS
33
A
SG
CYS
33
1_555
disulf
1.931
A
CYS
17
A
SG
CYS
17
1_555
A
CYS
35
A
SG
CYS
35
1_555
TOXIN
ALPHA-BETA MOTIF, CYSTEINE-KNOT MOTIF, TOXIN
SEKM_BUTEU
UNP
1
22
Q9BKB7
RPTDIKCSESYQCFPVCKSRFGKTNGRCVNGFCDCF
22
57
1LGL
1
36
Q9BKB7
A
1
1
36
3
anti-parallel
anti-parallel
A
PRO
2
A
PRO
2
A
LYS
6
A
LYS
6
A
PHE
32
A
PHE
32
A
PHE
36
A
PHE
36
A
ASN
25
A
ASN
25
A
VAL
29
A
VAL
29