1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Zeng, H.
Hawrot, E.
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
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
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
C4 H7 N O2
101.104
n
HOMOSERINE LACTONE
L-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
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
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
277
37439
37445
10.1074/jbc.M205483200
12133834
NMR-based Binding Screen and Structural Analysis of the Complex Formed between alpha-Cobratoxin and an 18-mer Cognate Peptide Derived from the alpha1 Subunit of the Nicotinic Acetylcholine Receptor from Torpedo californica
2002
10.2210/pdb1lxh/pdb
pdb_00001lxh
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
7842.094
LONG NEUROTOXIN 1
1
nat
polymer
2424.732
ACETYLCHOLINE RECEPTOR PROTEIN, ALPHA CHAIN
1
man
polymer
NEUROTOXIN 3, ALPHA-COBRATOXIN
no
no
IRCFITPDITSKDCPNGHVCYTKTWCDAFCSIRGKRVDLGCAATCPTVKTGVDIQCCSTDNCNPFPTRKRP
IRCFITPDITSKDCPNGHVCYTKTWCDAFCSIRGKRVDLGCAATCPTVKTGVDIQCCSTDNCNPFPTRKRP
A
polypeptide(L)
no
yes
YRGWKHWVYYTCCPDTPY(HSL)
YRGWKHWVYYTCCPDTPYS
B
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
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Pacific electric ray
Torpedo
Escherichia
Escherichia coli
sample
7787
Torpedo californica
469008
Escherichia coli BL21(DE3)
BL21 (DE3)
PLASMID
PET-31B(+)
monocled cobra
Naja
sample
8649
Naja kaouthia
database_2
pdbx_nmr_software
pdbx_nmr_spectrometer
pdbx_struct_assembly
pdbx_struct_oper_list
struct_ref_seq_dif
repository
Initial release
Version format compliance
Version format compliance
Data collection
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
_pdbx_nmr_software.name
_pdbx_nmr_spectrometer.model
_struct_ref_seq_dif.details
1lxg is the structure ensemble
RCSB
Y
RCSB
2002-06-05
REL
1
HSQC
3D TOCSY-HSQC
3D NOESY-HSQC
HNHA
2D TOCSY
2D NOESY
NULL
4.0
AMBIENT
308
K
distance geometry and simulated annealing
1
minimized average structure
1.6 mM alpha-cobratoxin/alpha18-mer complex, alpha18-mer is U-15N, 50 mM perdeuterated potassium acetate buffer (pH 4.0) with 5% D2O and 0.05% sodium azide
95% H2O/5% D2O
Bruker
collection
XwinNMR
3.0
Delaglio, F. et al.
processing
NMRPipe
1.8
Goddard, T.D. et al.
data analysis
Sparky
3.95
Brunger, A.T. et al.
refinement
CNS
1.1
600
Bruker
AVANCE
ILE
1
n
1
ILE
1
A
ARG
2
n
2
ARG
2
A
CYS
3
n
3
CYS
3
A
PHE
4
n
4
PHE
4
A
ILE
5
n
5
ILE
5
A
THR
6
n
6
THR
6
A
PRO
7
n
7
PRO
7
A
ASP
8
n
8
ASP
8
A
ILE
9
n
9
ILE
9
A
THR
10
n
10
THR
10
A
SER
11
n
11
SER
11
A
LYS
12
n
12
LYS
12
A
ASP
13
n
13
ASP
13
A
CYS
14
n
14
CYS
14
A
PRO
15
n
15
PRO
15
A
ASN
16
n
16
ASN
16
A
GLY
17
n
17
GLY
17
A
HIS
18
n
18
HIS
18
A
VAL
19
n
19
VAL
19
A
CYS
20
n
20
CYS
20
A
TYR
21
n
21
TYR
21
A
THR
22
n
22
THR
22
A
LYS
23
n
23
LYS
23
A
THR
24
n
24
THR
24
A
TRP
25
n
25
TRP
25
A
CYS
26
n
26
CYS
26
A
ASP
27
n
27
ASP
27
A
ALA
28
n
28
ALA
28
A
PHE
29
n
29
PHE
29
A
CYS
30
n
30
CYS
30
A
SER
31
n
31
SER
31
A
ILE
32
n
32
ILE
32
A
ARG
33
n
33
ARG
33
A
GLY
34
n
34
GLY
34
A
LYS
35
n
35
LYS
35
A
ARG
36
n
36
ARG
36
A
VAL
37
n
37
VAL
37
A
ASP
38
n
38
ASP
38
A
LEU
39
n
39
LEU
39
A
GLY
40
n
40
GLY
40
A
CYS
41
n
41
CYS
41
A
ALA
42
n
42
ALA
42
A
ALA
43
n
43
ALA
43
A
THR
44
n
44
THR
44
A
CYS
45
n
45
CYS
45
A
PRO
46
n
46
PRO
46
A
THR
47
n
47
THR
47
A
VAL
48
n
48
VAL
48
A
LYS
49
n
49
LYS
49
A
THR
50
n
50
THR
50
A
GLY
51
n
51
GLY
51
A
VAL
52
n
52
VAL
52
A
ASP
53
n
53
ASP
53
A
ILE
54
n
54
ILE
54
A
GLN
55
n
55
GLN
55
A
CYS
56
n
56
CYS
56
A
CYS
57
n
57
CYS
57
A
SER
58
n
58
SER
58
A
THR
59
n
59
THR
59
A
ASP
60
n
60
ASP
60
A
ASN
61
n
61
ASN
61
A
CYS
62
n
62
CYS
62
A
ASN
63
n
63
ASN
63
A
PRO
64
n
64
PRO
64
A
PHE
65
n
65
PHE
65
A
PRO
66
n
66
PRO
66
A
THR
67
n
67
THR
67
A
ARG
68
n
68
ARG
68
A
LYS
69
n
69
LYS
69
A
ARG
70
n
70
ARG
70
A
PRO
71
n
71
PRO
71
A
TYR
181
n
1
TYR
181
B
ARG
182
n
2
ARG
182
B
GLY
183
n
3
GLY
183
B
TRP
184
n
4
TRP
184
B
LYS
185
n
5
LYS
185
B
HIS
186
n
6
HIS
186
B
TRP
187
n
7
TRP
187
B
VAL
188
n
8
VAL
188
B
TYR
189
n
9
TYR
189
B
TYR
190
n
10
TYR
190
B
THR
191
n
11
THR
191
B
CYS
192
n
12
CYS
192
B
CYS
193
n
13
CYS
193
B
PRO
194
n
14
PRO
194
B
ASP
195
n
15
ASP
195
B
THR
196
n
16
THR
196
B
PRO
197
n
17
PRO
197
B
TYR
198
n
18
TYR
198
B
n
19
199
B
author_defined_assembly
2
dimeric
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
THR
24
A
N
THR
24
A
O
ASP
53
A
O
ASP
53
1
B
HSL
199
B
HSL
19
1
Y
1
B
ARG
182
0.093
SIDE CHAIN
1
14.23
2.00
110.40
124.63
B
B
B
CB
CA
C
ARG
ARG
ARG
182
182
182
N
1
A
ARG
2
-3.44
62.66
1
A
PHE
4
98.60
-159.61
1
A
PRO
7
-72.42
-154.33
1
A
ILE
9
110.06
-126.57
1
A
THR
10
-159.14
-50.34
1
A
SER
11
-39.78
-74.64
1
A
CYS
14
-36.13
122.22
1
A
HIS
18
-156.09
-45.31
1
A
THR
22
-46.84
67.75
1
A
ASP
27
69.85
-65.64
1
A
ALA
28
-164.40
-45.67
1
A
CYS
30
85.27
77.18
1
A
ARG
33
12.46
-64.75
1
A
LYS
35
-35.35
146.40
1
A
VAL
37
59.16
-178.83
1
A
ASP
38
-13.86
127.00
1
A
LEU
39
-139.44
-54.03
1
A
CYS
41
95.66
81.99
1
A
ALA
42
-168.58
-167.35
1
A
THR
44
56.59
-179.03
1
A
THR
47
-144.42
-66.76
1
A
LYS
49
-179.48
-153.43
1
A
THR
50
54.09
-141.10
1
A
GLN
55
-96.50
53.52
1
A
SER
58
-97.32
43.16
1
A
ASN
61
-109.17
52.99
1
A
ASN
63
162.88
82.38
1
A
PHE
65
85.21
125.34
1
A
PRO
66
-67.44
36.38
1
A
ARG
68
-116.39
-103.73
1
A
ARG
70
-151.31
-55.33
1
B
ARG
182
68.17
-111.48
1
B
TRP
184
-76.17
-126.26
1
B
VAL
188
-154.90
-69.79
1
B
TYR
189
35.58
111.14
1
B
TYR
190
108.59
9.15
1
B
THR
191
74.51
146.49
1
B
CYS
192
168.69
-41.40
1
B
CYS
193
-151.81
-153.81
1
B
PRO
194
-61.54
-153.67
minimized average
Solution structure of alpha-cobratoxin complexed with a cognate peptide (minimized average structure)
1
N
N
2
N
N
disulf
2.041
A
CYS
3
A
SG
CYS
3
1_555
A
CYS
20
A
SG
CYS
20
1_555
disulf
2.016
A
CYS
14
A
SG
CYS
14
1_555
A
CYS
41
A
SG
CYS
41
1_555
disulf
2.039
A
CYS
26
A
SG
CYS
26
1_555
A
CYS
30
A
SG
CYS
30
1_555
disulf
2.029
A
CYS
45
A
SG
CYS
45
1_555
A
CYS
56
A
SG
CYS
56
1_555
disulf
2.029
A
CYS
57
A
SG
CYS
57
1_555
A
CYS
62
A
SG
CYS
62
1_555
disulf
2.060
B
CYS
192
B
SG
CYS
12
1_555
B
CYS
193
B
SG
CYS
13
1_555
TOXIN
toxin, alpha-cobratoxin, nicotinic acetylcholine receptor, protein-protein interaction
NXL1_NAJKA
UNP
1
1
P01391
IRCFITPDITSKDCPNGHVCYTKTWCDAFCSIRGKRVDLGCAATCPTVKTGVDIQCCSTDNCNPFPTRKRP
ACHA_TORCA
UNP
2
205
P02710
YRGWKHWVYYTCCPDTPY
1
71
1LXH
1
71
P01391
A
1
1
71
205
222
1LXH
181
198
P02710
B
2
1
18
2
cloning artifact
HSL
199
1LXH
B
P02710
UNP
19
2
anti-parallel
A
CYS
20
A
CYS
20
A
TRP
25
A
TRP
25
A
VAL
52
A
VAL
52
A
CYS
57
A
CYS
57