1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Lee, C.W.
Roh, S.H.
Kim, S.
Endoh, H.
Kodera, Y.
Maeda, T.
Swartz, K.J.
Kim, J.I.
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 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
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
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
US
Biochemistry
BICHAW
0033
0006-2960
43
890
897
10.1021/bi0353373
14744131
Solution Structure and Functional Characterization of SGTx1, a Modifier of Kv2.1 Channel Gating
2004
10.2210/pdb1la4/pdb
pdb_00001la4
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
3788.364
SGTx1
1
syn
polymer
Voltage-gated potassium channel blocker
no
no
TCRYLFGGCKTTADCCKHLACRSDGKYCAWDGTF
TCRYLFGGCKTTADCCKHLACRSDGKYCAWDGTF
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
database_2
pdbx_struct_assembly
pdbx_struct_oper_list
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
1
0
2003-11-11
1
1
2008-04-28
1
2
2011-07-13
1
3
2022-02-23
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
RCSB
Y
PDBJ
2002-03-28
REL
REL
This sequence is chemically synthesized.
sample
This structure was determined using standard 2D homonuclear techniques.
structures with the least restraint violations,structures with the lowest energy
100
20
2D NOESY
DQF-COSY
PE-COSY
0
3.5
ambient
310
K
Additional comments about the NMR refinement can be placed here, e.g.
the structures are based on a total of 499 restraints, 449 are NOE-derived
distance constraints, 27 dihedral angle restraints,14 distance restraints
from hydrogen bonds, and 9 distance restraints from disulfide bonds.
distance geometry, simulated annealing
16
closest to the average,lowest energy
2mM SGTx1; 90% H2O, 10% D2O
90% H2O/10% D2O
Bruker
collection
UXNMR
2.6
Bruker
processing
UXNMR
2.6
A.T.Brunger
structure solution
X-PLOR
3.851
A.T.Brunger
refinement
X-PLOR
3.851
500
Bruker
DMX
THR
1
n
1
THR
1
A
CYS
2
n
2
CYS
2
A
ARG
3
n
3
ARG
3
A
TYR
4
n
4
TYR
4
A
LEU
5
n
5
LEU
5
A
PHE
6
n
6
PHE
6
A
GLY
7
n
7
GLY
7
A
GLY
8
n
8
GLY
8
A
CYS
9
n
9
CYS
9
A
LYS
10
n
10
LYS
10
A
THR
11
n
11
THR
11
A
THR
12
n
12
THR
12
A
ALA
13
n
13
ALA
13
A
ASP
14
n
14
ASP
14
A
CYS
15
n
15
CYS
15
A
CYS
16
n
16
CYS
16
A
LYS
17
n
17
LYS
17
A
HIS
18
n
18
HIS
18
A
LEU
19
n
19
LEU
19
A
ALA
20
n
20
ALA
20
A
CYS
21
n
21
CYS
21
A
ARG
22
n
22
ARG
22
A
SER
23
n
23
SER
23
A
ASP
24
n
24
ASP
24
A
GLY
25
n
25
GLY
25
A
LYS
26
n
26
LYS
26
A
TYR
27
n
27
TYR
27
A
CYS
28
n
28
CYS
28
A
ALA
29
n
29
ALA
29
A
TRP
30
n
30
TRP
30
A
ASP
31
n
31
ASP
31
A
GLY
32
n
32
GLY
32
A
THR
33
n
33
THR
33
A
PHE
34
n
34
PHE
34
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
N
GLY
7
A
N
GLY
7
A
O
CYS
28
A
O
CYS
28
A
O
TYR
27
A
O
TYR
27
A
N
ARG
22
A
N
ARG
22
1
A
O
PHE
34
A
O
PHE
34
1
Y
2
A
O
PHE
34
A
O
PHE
34
1
Y
3
A
O
PHE
34
A
O
PHE
34
1
Y
4
A
O
PHE
34
A
O
PHE
34
1
Y
5
A
O
PHE
34
A
O
PHE
34
1
Y
6
A
O
PHE
34
A
O
PHE
34
1
Y
7
A
O
PHE
34
A
O
PHE
34
1
Y
8
A
O
PHE
34
A
O
PHE
34
1
Y
9
A
O
PHE
34
A
O
PHE
34
1
Y
10
A
O
PHE
34
A
O
PHE
34
1
Y
11
A
O
PHE
34
A
O
PHE
34
1
Y
12
A
O
PHE
34
A
O
PHE
34
1
Y
13
A
O
PHE
34
A
O
PHE
34
1
Y
14
A
O
PHE
34
A
O
PHE
34
1
Y
15
A
O
PHE
34
A
O
PHE
34
1
Y
16
A
O
PHE
34
A
O
PHE
34
1
Y
17
A
O
PHE
34
A
O
PHE
34
1
Y
18
A
O
PHE
34
A
O
PHE
34
1
Y
19
A
O
PHE
34
A
O
PHE
34
1
Y
20
A
O
PHE
34
A
O
PHE
34
1
Y
1
A
ARG
3
0.252
SIDE CHAIN
1
A
ARG
22
0.255
SIDE CHAIN
2
A
ARG
3
0.315
SIDE CHAIN
2
A
ARG
22
0.227
SIDE CHAIN
3
A
ARG
3
0.280
SIDE CHAIN
3
A
ARG
22
0.108
SIDE CHAIN
4
A
ARG
3
0.296
SIDE CHAIN
4
A
ARG
22
0.296
SIDE CHAIN
5
A
ARG
3
0.257
SIDE CHAIN
5
A
ARG
22
0.130
SIDE CHAIN
6
A
ARG
3
0.253
SIDE CHAIN
7
A
ARG
3
0.143
SIDE CHAIN
7
A
ARG
22
0.128
SIDE CHAIN
8
A
ARG
3
0.192
SIDE CHAIN
8
A
ARG
22
0.315
SIDE CHAIN
9
A
ARG
3
0.281
SIDE CHAIN
9
A
ARG
22
0.317
SIDE CHAIN
10
A
ARG
3
0.310
SIDE CHAIN
10
A
ARG
22
0.148
SIDE CHAIN
11
A
ARG
3
0.239
SIDE CHAIN
11
A
ARG
22
0.302
SIDE CHAIN
12
A
ARG
3
0.317
SIDE CHAIN
12
A
ARG
22
0.314
SIDE CHAIN
13
A
ARG
3
0.238
SIDE CHAIN
13
A
ARG
22
0.137
SIDE CHAIN
14
A
ARG
3
0.289
SIDE CHAIN
14
A
ARG
22
0.282
SIDE CHAIN
15
A
ARG
3
0.317
SIDE CHAIN
15
A
ARG
22
0.315
SIDE CHAIN
16
A
ARG
3
0.193
SIDE CHAIN
16
A
ARG
22
0.301
SIDE CHAIN
17
A
ARG
3
0.232
SIDE CHAIN
17
A
ARG
22
0.307
SIDE CHAIN
18
A
ARG
3
0.288
SIDE CHAIN
19
A
ARG
3
0.228
SIDE CHAIN
19
A
ARG
22
0.203
SIDE CHAIN
20
A
ARG
3
0.137
SIDE CHAIN
20
A
ARG
22
0.227
SIDE CHAIN
1
A
TYR
4
-124.72
-164.00
1
A
LEU
5
-39.65
140.80
1
A
CYS
16
-77.03
-166.76
1
A
LYS
17
-84.30
43.09
1
A
HIS
18
-161.75
-31.00
1
A
CYS
21
-52.34
92.26
2
A
LEU
5
-40.57
154.56
2
A
PHE
6
37.33
34.11
2
A
CYS
16
-73.26
-164.13
2
A
LYS
17
-87.55
41.35
2
A
HIS
18
-160.43
-32.83
2
A
THR
33
-104.90
-82.13
3
A
CYS
2
-127.55
-169.38
3
A
LEU
5
-40.38
152.26
3
A
LYS
17
-84.57
45.72
3
A
HIS
18
-159.22
-34.84
3
A
CYS
21
-51.78
102.79
4
A
TYR
4
-76.59
-160.20
4
A
LEU
5
-44.19
158.91
4
A
PHE
6
34.88
36.33
4
A
CYS
16
-76.06
-165.13
4
A
LYS
17
-85.90
39.94
4
A
HIS
18
-160.43
-35.17
4
A
CYS
21
-48.92
104.41
4
A
THR
33
-93.58
-127.42
5
A
CYS
2
-125.04
-169.00
5
A
LEU
5
-48.06
150.47
5
A
LYS
17
-82.72
44.19
5
A
HIS
18
-161.21
-35.43
6
A
PHE
6
48.79
29.67
6
A
CYS
16
-75.41
-167.99
6
A
LYS
17
-85.79
43.60
6
A
HIS
18
-160.03
-31.33
6
A
THR
33
-125.02
-141.41
7
A
CYS
2
-53.84
-175.41
7
A
LEU
5
-32.53
154.76
7
A
PHE
6
38.14
36.91
7
A
LYS
17
-84.07
45.33
7
A
HIS
18
-159.65
-35.24
7
A
CYS
21
-56.22
90.70
7
A
THR
33
-120.66
-76.54
8
A
TYR
4
-105.76
-158.33
8
A
LEU
5
-36.99
138.91
8
A
PHE
6
37.12
28.82
8
A
LYS
17
-82.13
45.87
8
A
HIS
18
-161.33
-37.40
8
A
THR
33
-102.19
-60.31
9
A
CYS
2
33.70
-161.04
9
A
TYR
4
-102.65
-160.27
9
A
CYS
16
-75.95
-166.26
9
A
LYS
17
-86.65
44.18
9
A
HIS
18
-159.60
-35.39
9
A
CYS
21
-54.93
104.29
9
A
THR
33
-131.88
-80.13
10
A
LEU
5
-43.51
158.76
10
A
PHE
6
37.48
36.74
10
A
CYS
16
-73.48
-165.48
10
A
LYS
17
-87.94
43.71
10
A
HIS
18
-160.14
-35.57
10
A
CYS
21
-56.53
99.47
10
A
LYS
26
26.11
65.55
10
A
THR
33
-158.37
-65.42
11
A
CYS
2
-173.60
-176.52
11
A
LEU
5
-40.64
152.48
11
A
PHE
6
36.18
33.82
11
A
LYS
17
-82.59
43.60
11
A
HIS
18
-161.09
-36.43
11
A
CYS
21
-56.40
109.97
11
A
THR
33
-83.83
-93.06
12
A
CYS
2
-49.38
-178.78
12
A
LYS
17
-85.08
44.13
12
A
HIS
18
-160.03
-36.41
12
A
CYS
21
-53.82
93.10
12
A
THR
33
-154.45
-151.14
13
A
TYR
4
-77.62
-161.38
13
A
LEU
5
-37.17
147.08
13
A
PHE
6
36.86
31.04
13
A
LYS
17
-85.00
43.39
13
A
HIS
18
-159.52
-33.59
14
A
CYS
2
34.73
-164.26
14
A
TYR
4
-110.87
-159.39
14
A
CYS
16
-73.64
-167.74
14
A
LYS
17
-85.28
44.08
14
A
HIS
18
-162.16
-33.77
14
A
CYS
21
-56.98
96.41
15
A
TYR
4
-90.93
-158.24
15
A
LYS
17
-84.37
47.33
15
A
HIS
18
-159.05
-36.90
15
A
CYS
21
-54.37
97.04
15
A
THR
33
-99.02
-139.99
16
A
TYR
4
-97.89
-157.39
16
A
LEU
5
-39.48
141.08
16
A
PHE
6
38.74
27.36
16
A
LYS
17
-82.66
44.39
16
A
HIS
18
-162.04
-33.96
16
A
CYS
21
-51.85
105.16
17
A
TYR
4
-87.66
-159.05
17
A
LEU
5
-45.04
151.59
17
A
LYS
17
-83.25
46.16
17
A
HIS
18
-158.18
-35.82
17
A
CYS
21
-52.02
104.62
17
A
THR
33
-137.15
-158.50
18
A
TYR
4
-69.54
-163.01
18
A
LEU
5
-42.90
166.53
18
A
PHE
6
34.51
37.67
18
A
CYS
16
-76.41
-165.40
18
A
LYS
17
-84.82
40.78
18
A
HIS
18
-160.47
-32.64
19
A
TYR
4
-100.72
-160.94
19
A
LEU
5
-36.37
149.79
19
A
PHE
6
33.51
32.57
19
A
CYS
16
-74.28
-168.61
19
A
LYS
17
-84.90
43.32
19
A
HIS
18
-160.28
-31.26
19
A
THR
33
-116.05
-141.88
20
A
TYR
4
-84.55
-158.85
20
A
LEU
5
-34.12
139.74
20
A
PHE
6
35.98
29.84
20
A
CYS
16
-72.45
-164.93
20
A
LYS
17
-87.55
38.54
20
A
HIS
18
-160.12
-29.53
20
A
CYS
21
-50.90
107.76
20
A
THR
33
-133.45
-33.08
Solution Structure of SGTx1
1
N
N
A
THR
11
A
THR
11
HELX_P
A
CYS
15
A
CYS
15
5
1
5
disulf
2.021
A
CYS
2
A
SG
CYS
2
1_555
A
CYS
16
A
SG
CYS
16
1_555
disulf
2.019
A
CYS
9
A
SG
CYS
9
1_555
A
CYS
21
A
SG
CYS
21
1_555
disulf
2.018
A
CYS
15
A
SG
CYS
15
1_555
A
CYS
28
A
SG
CYS
28
1_555
TOXIN
Triple-stranded antiparallel beta-sheet, inhibitory cystine knot, Peptide neurotoxin, TOXIN
TX1_SCOGR
UNP
1
1
P56855
TCRYLFGGCKTTADCCKHLACRSDGKYCAWDGTF
1
34
1LA4
1
34
P56855
A
1
1
34
3
anti-parallel
anti-parallel
A
GLY
7
A
GLY
7
A
GLY
8
A
GLY
8
A
TYR
27
A
TYR
27
A
CYS
28
A
CYS
28
A
CYS
21
A
CYS
21
A
ARG
22
A
ARG
22