1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Van Wagoner, R.M.
Ireland, C.M.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
1
90.00
90.00
90.00
1.000
1.000
1.000
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
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
C5 H9 N O3
131.130
n
4-HYDROXYPROLINE
HYDROXYPROLINE
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
H2 N
16.023
AMINO GROUP
non-polymer
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
US
Biochemistry
BICHAW
0033
0006-2960
42
6347
6352
10.1021/bi027274e
12767215
An Improved Solution Structure for psi-Conotoxin Piiie
2003
US
Biochemistry
BICHAW
0033
0006-2960
37
1215
1220
10.1021/bi972186t
Three-dimensional Solution Structure of Conotoxin psi-PIIIE, an Acetylcholine Gated Ion Channel Antagonist
1998
US
Biochemistry
BICHAW
0033
0006-2960
36
9581
9587
10.1021/bi970235w
A Noncompetitive Peptide Inhibitor of the Nicotinic Acetylcholine Receptor from Conus purpurascens Venom
1997
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
x-ray
1
1.0
2727.181
PSI-CONOTOXIN PIIIE
1
syn
polymer
no
yes
H(HYP)(HYP)CCLYGKCRRY(HYP)GCSSASCCQR(NH2)
HPPCCLYGKCRRYPGCSSASCCQRX
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
repository
Initial release
Version format compliance
Version format compliance
Atomic model
1
0
2003-06-24
1
1
2008-04-27
1
2
2011-07-13
1
3
2011-08-24
1AS5 contains the original structures calculated for psi-conotoxin PIIIE.
RCSB
Y
RCSB
2001-07-16
REL
REL
Solid phase chemical synthesis was used to incorporate 3-13C-labeled cysteine at positions 4 and 21. The sequence is the same as the native peptide from CONUS PURPURASCENS (PURPLE CONE).
sample
This structure was determined using isotopic filtration and isotope-selected 1H observation in addition to standard homonuclear techniques.
back calculated data agree with experimental NOESY spectrum, structures with the least restraint violations, structures with the lowest energy
50
13
3D_13C-separated_NOESY
DQF-COSY
Half-filtered PE-COSY
Double half-filtered 2D NOESY
16 mM; hexa-TFA salt
3.48
ambient
277
K
16 mM; hexa-TFA salt
3.48
ambient
295
K
These structures are based on 566 NOE-derived distance restraints, 9 restraints on phi derived from J-coupling, and 13 restraints on chi1 determined from J-coupling and NOE volumes.
distance geometry
molecular dynamics
relaxation matrix
distance geometry
simulated annealing
5
closest to the average
16 mM psi-conotoxin PIIIE [4,21] 3-13C-Cys; TFA added to pH 3.5
90% H2O/10% D2O
16 mM psi-conotoxin PIIIE [4,21] 3-13C-Cys
100% D2O
Varian, Inc.
collection
VNMR
6.1B
MSI, Inc.
processing
FELIX
97.0
MSI, Inc.
iterative matrix relaxation
IRMA
97.0
MSI, Inc.
structure solution
DGII
97.0
MSI, Inc.
structure solution
DISCOVER
2.98
MSI, Inc.
refinement
DISCOVER
2.98
600
Varian
INOVA
500
Varian
UNITY
HIS
1
n
1
HIS
1
A
HYP
2
n
2
HYP
2
A
HYP
3
n
3
HYP
3
A
CYS
4
n
4
CYS
4
A
CYS
5
n
5
CYS
5
A
LEU
6
n
6
LEU
6
A
TYR
7
n
7
TYR
7
A
GLY
8
n
8
GLY
8
A
LYS
9
n
9
LYS
9
A
CYS
10
n
10
CYS
10
A
ARG
11
n
11
ARG
11
A
ARG
12
n
12
ARG
12
A
TYR
13
n
13
TYR
13
A
HYP
14
n
14
HYP
14
A
GLY
15
n
15
GLY
15
A
CYS
16
n
16
CYS
16
A
SER
17
n
17
SER
17
A
SER
18
n
18
SER
18
A
ALA
19
n
19
ALA
19
A
SER
20
n
20
SER
20
A
CYS
21
n
21
CYS
21
A
CYS
22
n
22
CYS
22
A
GLN
23
n
23
GLN
23
A
ARG
24
n
24
ARG
24
A
NH2
25
n
25
NH2
25
A
author_defined_assembly
1
monomeric
A
HYP
2
4-HYDROXYPROLINE
A
HYP
2
PRO
A
HYP
3
4-HYDROXYPROLINE
A
HYP
3
PRO
A
HYP
14
4-HYDROXYPROLINE
A
HYP
14
PRO
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
LEU
6
A
O
LEU
6
A
N
LYS
9
A
N
LYS
9
1
A
A
CYS
SER
16
17
146.06
1
A
A
SER
ALA
18
19
144.32
2
A
A
CYS
SER
16
17
146.49
2
A
A
SER
ALA
18
19
144.74
3
A
A
CYS
SER
16
17
147.28
3
A
A
SER
ALA
18
19
144.19
4
A
A
HYP
HYP
2
3
147.09
4
A
A
CYS
SER
16
17
147.71
4
A
A
SER
ALA
18
19
146.98
5
A
A
CYS
SER
16
17
146.83
5
A
A
SER
ALA
18
19
145.19
6
A
A
CYS
SER
16
17
145.96
6
A
A
SER
ALA
18
19
144.59
7
A
A
CYS
SER
16
17
146.07
7
A
A
SER
ALA
18
19
144.64
8
A
A
CYS
SER
16
17
147.35
8
A
A
SER
ALA
18
19
145.71
9
A
A
CYS
SER
16
17
148.25
9
A
A
SER
ALA
18
19
143.61
10
A
A
CYS
SER
16
17
147.96
10
A
A
SER
ALA
18
19
143.72
11
A
A
CYS
SER
16
17
145.34
11
A
A
SER
ALA
18
19
145.29
12
A
A
CYS
SER
16
17
146.51
12
A
A
SER
ALA
18
19
144.75
1
A
ARG
11
0.095
SIDE CHAIN
4
A
HIS
1
0.110
SIDE CHAIN
4
A
TYR
7
0.072
SIDE CHAIN
4
A
ARG
11
0.115
SIDE CHAIN
8
A
HIS
1
0.084
SIDE CHAIN
8
A
ARG
11
0.089
SIDE CHAIN
9
A
TYR
7
0.067
SIDE CHAIN
10
A
TYR
7
0.069
SIDE CHAIN
12
A
HIS
1
0.086
SIDE CHAIN
12
A
TYR
7
0.075
SIDE CHAIN
12
A
ARG
11
0.113
SIDE CHAIN
1
8.08
1.30
111.50
119.58
A
A
A
ND1
CE1
NE2
HIS
HIS
HIS
1
1
1
N
1
-12.57
1.80
114.00
101.43
A
A
A
CA
CB
SG
CYS
CYS
CYS
4
4
4
N
1
3.53
0.50
120.30
123.83
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
11
11
11
N
1
3.73
0.50
120.30
124.03
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
12
12
12
N
1
3.75
0.50
120.30
124.05
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
24
24
24
N
2
8.04
1.30
111.50
119.54
A
A
A
ND1
CE1
NE2
HIS
HIS
HIS
1
1
1
N
2
-12.54
1.80
114.00
101.46
A
A
A
CA
CB
SG
CYS
CYS
CYS
4
4
4
N
2
3.70
0.50
120.30
124.00
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
11
11
11
N
2
3.82
0.50
120.30
124.12
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
12
12
12
N
2
3.84
0.50
120.30
124.14
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
24
24
24
N
3
8.07
1.30
111.50
119.57
A
A
A
ND1
CE1
NE2
HIS
HIS
HIS
1
1
1
N
3
-11.91
1.80
114.00
102.09
A
A
A
CA
CB
SG
CYS
CYS
CYS
4
4
4
N
3
3.58
0.50
120.30
123.88
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
11
11
11
N
3
3.99
0.50
120.30
124.29
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
12
12
12
N
3
3.76
0.50
120.30
124.06
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
24
24
24
N
4
8.24
1.30
111.50
119.74
A
A
A
ND1
CE1
NE2
HIS
HIS
HIS
1
1
1
N
4
-12.66
1.80
114.00
101.34
A
A
A
CA
CB
SG
CYS
CYS
CYS
4
4
4
N
4
3.70
0.50
120.30
124.00
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
11
11
11
N
4
3.65
0.50
120.30
123.95
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
12
12
12
N
4
3.80
0.50
120.30
124.10
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
24
24
24
N
5
8.01
1.30
111.50
119.51
A
A
A
ND1
CE1
NE2
HIS
HIS
HIS
1
1
1
N
5
-12.63
1.80
114.00
101.37
A
A
A
CA
CB
SG
CYS
CYS
CYS
4
4
4
N
5
3.84
0.50
120.30
124.14
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
11
11
11
N
5
3.70
0.50
120.30
124.00
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
12
12
12
N
5
3.67
0.50
120.30
123.97
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
24
24
24
N
6
8.12
1.30
111.50
119.62
A
A
A
ND1
CE1
NE2
HIS
HIS
HIS
1
1
1
N
6
-12.63
1.80
114.00
101.37
A
A
A
CA
CB
SG
CYS
CYS
CYS
4
4
4
N
6
3.87
0.50
120.30
124.17
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
11
11
11
N
6
3.67
0.50
120.30
123.97
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
12
12
12
N
6
3.82
0.50
120.30
124.12
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
24
24
24
N
7
8.06
1.30
111.50
119.56
A
A
A
ND1
CE1
NE2
HIS
HIS
HIS
1
1
1
N
7
-12.01
1.80
114.00
101.99
A
A
A
CA
CB
SG
CYS
CYS
CYS
4
4
4
N
7
3.64
0.50
120.30
123.94
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
11
11
11
N
7
3.83
0.50
120.30
124.13
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
12
12
12
N
7
3.68
0.50
120.30
123.98
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
24
24
24
N
8
8.17
1.30
111.50
119.67
A
A
A
ND1
CE1
NE2
HIS
HIS
HIS
1
1
1
N
8
-12.48
1.80
114.00
101.52
A
A
A
CA
CB
SG
CYS
CYS
CYS
4
4
4
N
8
4.42
0.50
120.30
124.72
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
11
11
11
N
8
3.71
0.50
120.30
124.01
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
12
12
12
N
8
3.86
0.50
120.30
124.16
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
24
24
24
N
9
8.04
1.30
111.50
119.54
A
A
A
ND1
CE1
NE2
HIS
HIS
HIS
1
1
1
N
9
-11.95
1.80
114.00
102.05
A
A
A
CA
CB
SG
CYS
CYS
CYS
4
4
4
N
9
3.30
0.50
120.30
123.60
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
11
11
11
N
9
3.68
0.50
120.30
123.98
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
12
12
12
N
9
3.67
0.50
120.30
123.97
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
24
24
24
N
10
8.09
1.30
111.50
119.59
A
A
A
ND1
CE1
NE2
HIS
HIS
HIS
1
1
1
N
10
-11.82
1.80
114.00
102.18
A
A
A
CA
CB
SG
CYS
CYS
CYS
4
4
4
N
10
3.34
0.50
120.30
123.64
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
11
11
11
N
10
3.69
0.50
120.30
123.99
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
12
12
12
N
10
3.90
0.50
120.30
124.20
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
24
24
24
N
11
8.05
1.30
111.50
119.55
A
A
A
ND1
CE1
NE2
HIS
HIS
HIS
1
1
1
N
11
-13.11
1.80
114.00
100.89
A
A
A
CA
CB
SG
CYS
CYS
CYS
4
4
4
N
11
3.83
0.50
120.30
124.13
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
11
11
11
N
11
3.76
0.50
120.30
124.06
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
12
12
12
N
11
3.83
0.50
120.30
124.13
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
24
24
24
N
12
8.00
1.30
111.50
119.50
A
A
A
ND1
CE1
NE2
HIS
HIS
HIS
1
1
1
N
12
-11.83
1.80
114.00
102.17
A
A
A
CA
CB
SG
CYS
CYS
CYS
4
4
4
N
12
3.34
0.50
120.30
123.64
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
11
11
11
N
12
3.86
0.50
120.30
124.16
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
12
12
12
N
12
3.69
0.50
120.30
123.99
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
24
24
24
N
13
8.13
1.30
111.50
119.63
A
A
A
ND1
CE1
NE2
HIS
HIS
HIS
1
1
1
N
13
3.84
0.50
120.30
124.14
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
11
11
11
N
13
3.66
0.50
120.30
123.96
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
12
12
12
N
13
3.87
0.50
120.30
124.17
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
24
24
24
N
1
A
A
CG
CD2
HIS
HIS
1
1
0.057
0.009
1.354
1.411
N
2
A
A
CG
CD2
HIS
HIS
1
1
0.057
0.009
1.354
1.411
N
3
A
A
CG
CD2
HIS
HIS
1
1
0.057
0.009
1.354
1.411
N
4
A
A
CG
CD2
HIS
HIS
1
1
0.055
0.009
1.354
1.409
N
5
A
A
CG
CD2
HIS
HIS
1
1
0.056
0.009
1.354
1.410
N
6
A
A
CG
CD2
HIS
HIS
1
1
0.057
0.009
1.354
1.411
N
7
A
A
CG
CD2
HIS
HIS
1
1
0.056
0.009
1.354
1.410
N
8
A
A
CG
CD2
HIS
HIS
1
1
0.056
0.009
1.354
1.410
N
9
A
A
CG
CD2
HIS
HIS
1
1
0.056
0.009
1.354
1.410
N
10
A
A
CG
CD2
HIS
HIS
1
1
0.057
0.009
1.354
1.411
N
11
A
A
CG
CD2
HIS
HIS
1
1
0.056
0.009
1.354
1.410
N
12
A
A
CG
CD2
HIS
HIS
1
1
0.057
0.009
1.354
1.411
N
13
A
A
CG
CD2
HIS
HIS
1
1
0.057
0.009
1.354
1.411
N
1
A
HYP
2
-52.61
-169.35
2
A
HYP
2
-53.01
-170.65
2
A
SER
17
-49.00
-19.67
3
A
HYP
2
-53.24
-171.78
4
A
HYP
2
-50.56
-163.49
5
A
HYP
2
-52.82
-170.45
6
A
HYP
2
-52.97
-170.55
6
A
SER
17
-49.07
-19.53
7
A
HYP
2
-53.17
-171.58
7
A
ARG
12
-91.39
59.00
7
A
SER
17
-49.33
-18.67
8
A
HYP
2
-52.27
-168.26
9
A
HYP
2
-52.92
-170.73
9
A
ARG
12
-100.18
61.62
10
A
HYP
2
-52.61
-170.10
10
A
ARG
12
-94.51
58.73
11
A
HYP
2
-52.96
-170.92
11
A
SER
17
-49.29
-19.15
12
A
HYP
2
-52.09
-166.20
12
A
ARG
12
-107.97
52.35
13
A
HYP
2
-53.40
-169.76
13
A
ARG
12
-90.87
58.79
PSI-CONOTOXIN PIIIE
Solution Structure of the Noncompetitive Skeletal Muscle Nicotinic Acetylcholine Receptor Antagonist Psi-conotoxin PIIIE
1
N
N
A
GLY
15
A
GLY
15
HELX_P
A
ALA
19
A
ALA
19
5
1
5
disulf
1.935
A
CYS
4
A
SG
CYS
4
1_555
A
CYS
16
A
SG
CYS
16
1_555
disulf
2.001
A
CYS
5
A
SG
CYS
5
1_555
A
CYS
21
A
SG
CYS
21
1_555
disulf
2.003
A
CYS
10
A
SG
CYS
10
1_555
A
CYS
22
A
SG
CYS
22
1_555
covale
1.330
A
ARG
24
A
C
ARG
24
1_555
A
NH2
25
A
N
NH2
25
1_555
covale
1.367
A
HIS
1
A
C
HIS
1
1_555
A
HYP
2
A
N
HYP
2
1_555
covale
1.362
A
HYP
2
A
C
HYP
2
1_555
A
HYP
3
A
N
HYP
3
1_555
covale
1.347
A
HYP
3
A
C
HYP
3
1_555
A
CYS
4
A
N
CYS
4
1_555
covale
1.370
A
TYR
13
A
C
TYR
13
1_555
A
HYP
14
A
N
HYP
14
1_555
covale
1.334
A
HYP
14
A
C
HYP
14
1_555
A
GLY
15
A
N
GLY
15
1_555
TOXIN
MULTIPLE DISULFIDE BONDS, AMIDATED C-TERMINUS, TOXIN
CXP3E_CONPU
UNP
1
3
P56529
HPPCCLYGKCRRYPGCSSASCCQR
3
26
1JLO
1
24
P56529
A
1
1
24
2
anti-parallel
A
CYS
5
A
CYS
5
A
LEU
6
A
LEU
6
A
LYS
9
A
LYS
9
A
CYS
10
A
CYS
10
BINDING SITE FOR RESIDUE NH2 A 25
Software
2
A
GLN
23
A
GLN
23
2
1_555
A
ARG
24
A
ARG
24
2
1_555
1
P 1