1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Chi, S.-W.
Kim, D.-H.
Olivera, B.M.
McIntosh, J.M.
Han, K.-H.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
C3 H7 N O2
89.093
y
ALANINE
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 H13 N O2
131.173
y
LEUCINE
L-peptide linking
H2 N
16.023
AMINO GROUP
non-polymer
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
Biochem.Biophys.Res.Commun.
BBRCA9
0146
0006-291X
349
1228
1234
10.1016/j.bbrc.2006.08.164
16979596
NMR structure determination of alpha-conotoxin BuIA, a novel neuronal nicotinic acetylcholine receptor antagonist with an unusual 4/4 disulfide scaffold
2006
10.2210/pdb2i28/pdb
pdb_00002i28
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1314.597
Alpha-conotoxin BuIA
Alpha-conotoxin BuIA
1
syn
polymer
no
yes
GCCSTPPCAVLYC(NH2)
GCCSTPPCAVLYCX
A
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
database_2
pdbx_struct_assembly
pdbx_struct_oper_list
struct_conn
struct_site
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
1
0
2006-10-31
1
1
2008-05-01
1
2
2011-07-13
1
3
2022-03-09
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_conn.pdbx_leaving_atom_flag
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
RCSB
Y
PDBJ
2006-08-16
REL
This sequence occurs naturally in Conus bullatus.
sample
structures with the lowest energy
50
20
2D NOESY
2D TOCSY
DQF-COSY
2D NOESY
2D TOCSY
DQF-COSY
0
3.04
1
atm
278
K
0
3.04
1
atm
288
K
simulated annealing
1
fewest violations
5mM alpha-conotoxin BuIA; 90% H2O, 10% D2O
90% H2O/10% D2O
collection
VNMR
processing
NMRPipe
refinement
CNS
600
Varian
INOVA
GLY
1
n
1
GLY
1
A
CYS
2
n
2
CYS
2
A
CYS
3
n
3
CYS
3
A
SER
4
n
4
SER
4
A
THR
5
n
5
THR
5
A
PRO
6
n
6
PRO
6
A
PRO
7
n
7
PRO
7
A
CYS
8
n
8
CYS
8
A
ALA
9
n
9
ALA
9
A
VAL
10
n
10
VAL
10
A
LEU
11
n
11
LEU
11
A
TYR
12
n
12
TYR
12
A
CYS
13
n
13
CYS
13
A
NH2
14
n
14
NH2
14
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
3
A
A
O
HN2
CYS
NH2
8
14
1.59
7
A
A
O
HN1
CYS
NH2
8
14
1.58
9
A
A
O
HN1
CYS
NH2
8
14
1.54
11
A
A
O
HN2
CYS
NH2
8
14
1.57
12
A
A
O
HN2
CYS
NH2
8
14
1.60
13
A
A
O
HN2
CYS
NH2
8
14
1.59
14
A
A
O
HN1
CYS
NH2
8
14
1.51
17
A
A
O
HN2
CYS
NH2
8
14
1.57
1
A
TYR
12
167.50
51.15
2
A
TYR
12
162.56
51.23
3
A
TYR
12
169.04
52.06
4
A
TYR
12
160.60
58.54
5
A
TYR
12
166.97
59.27
6
A
TYR
12
173.42
45.02
7
A
TYR
12
170.21
52.08
8
A
TYR
12
168.11
51.48
9
A
TYR
12
-177.65
50.84
10
A
TYR
12
172.24
55.57
11
A
TYR
12
172.50
53.71
12
A
TYR
12
165.57
52.52
13
A
TYR
12
169.38
55.15
14
A
LEU
11
-70.08
-70.48
14
A
TYR
12
178.05
57.63
15
A
TYR
12
163.58
50.20
16
A
TYR
12
163.93
45.78
17
A
TYR
12
163.24
51.27
18
A
TYR
12
168.92
50.27
19
A
TYR
12
179.69
41.54
20
A
TYR
12
168.71
51.09
Solution Structure of alpha-Conotoxin BuIA
1
N
N
A
THR
5
A
THR
5
HELX_P
A
VAL
10
A
VAL
10
1
1
6
disulf
2.029
A
CYS
2
A
SG
CYS
2
1_555
A
CYS
8
A
SG
CYS
8
1_555
disulf
2.029
A
CYS
3
A
SG
CYS
3
1_555
A
CYS
13
A
SG
CYS
13
1_555
covale
1.333
both
A
CYS
13
A
C
CYS
13
1_555
A
NH2
14
A
N
NH2
14
1_555
TOXIN
alpha-helix, beta-turn, two disulfide bonds, C-terminal amidation, TOXIN
CXA1_CONBU
UNP
1
44
P69657
44
56
2I28
1
13
P69657
A
1
1
13
BINDING SITE FOR RESIDUE NH2 A 14
A
NH2
14
Software
3
A
CYS
8
A
CYS
8
3
1_555
A
TYR
12
A
TYR
12
3
1_555
A
CYS
13
A
CYS
13
3
1_555