1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Jennings, C.V.
Anderson, M.A.
Daly, N.L.
Rosengren, K.J.
Craik, D.J.
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 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 H13 N O2
131.173
y
LEUCINE
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
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
US
Biochemistry
BICHAW
0033
0006-2960
44
851
860
10.1021/bi047837h
15654741
Isolation, Solution Structure, and Insecticidal Activity of Kalata B2, a Circular Protein with a Twist: Do Mobius Strips Exist in Nature?(,)
2005
10.2210/pdb1pt4/pdb
pdb_00001pt4
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
2980.400
kalata B2
1
nat
polymer
no
no
CGETCFGGTCNTPGCSCTWPICTRDGLPV
CGETCFGGTCNTPGCSCTWPICTRDGLPV
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
Oldenlandia
sample
60225
Oldenlandia affinis
DC
database_2
pdbx_nmr_software
pdbx_struct_assembly
pdbx_struct_oper_list
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
1
0
2004-08-10
1
1
2008-04-29
1
2
2011-07-13
1
3
2022-03-02
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_nmr_software.name
Solution structure of the cyclotide kalata B1
Solution structure of the cyclotide cycloviolacin O1
RCSB
Y
PDBJ
2003-06-23
REL
REL
This structure was determined using standard 2D homonuclear techniques.
structures with the lowest energy
50
20
2D TOCSY
2D NOESY
DQF-COSY
2D TOCSY
2D NOESY
2D TOCSY
0
4
ambient
290
K
0
4
ambient
298
K
Structure was calculated using torsion angle dynamics within CNS and subsequently refined and energy minimised in a water shell using Cartesian dynamics in CNS according to protocols by Linge and Nilges (ARIA).
Simulated annealing using both torsion angle and Cartesian dynamics.
1
lowest energy
2mM kalata B2 in 0.5ml
70% H2O, 20% CH3CN, 10% D2O
2mM kalata B2 in 0.5ml
80% D2O, 20% CH3CN
Bruker
collection
XwinNMR
2.6
Eccles, C., Guntert, P., Billeter, M. and Wuthrich, K.
data analysis
XEASY
1.3.7
Guntert, P., Mumenthaler, C. and Wuthrich, K.
structure solution
DYANA
1.5
refinement
CNS
1.0
500
Bruker
ARX
750
Bruker
DMX
CYS
1
n
1
CYS
1
A
GLY
2
n
2
GLY
2
A
GLU
3
n
3
GLU
3
A
THR
4
n
4
THR
4
A
CYS
5
n
5
CYS
5
A
PHE
6
n
6
PHE
6
A
GLY
7
n
7
GLY
7
A
GLY
8
n
8
GLY
8
A
THR
9
n
9
THR
9
A
CYS
10
n
10
CYS
10
A
ASN
11
n
11
ASN
11
A
THR
12
n
12
THR
12
A
PRO
13
n
13
PRO
13
A
GLY
14
n
14
GLY
14
A
CYS
15
n
15
CYS
15
A
SER
16
n
16
SER
16
A
CYS
17
n
17
CYS
17
A
THR
18
n
18
THR
18
A
TRP
19
n
19
TRP
19
A
PRO
20
n
20
PRO
20
A
ILE
21
n
21
ILE
21
A
CYS
22
n
22
CYS
22
A
THR
23
n
23
THR
23
A
ARG
24
n
24
ARG
24
A
ASP
25
n
25
ASP
25
A
GLY
26
n
26
GLY
26
A
LEU
27
n
27
LEU
27
A
PRO
28
n
28
PRO
28
A
VAL
29
n
29
VAL
29
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
SER
16
A
N
SER
16
A
O
THR
23
A
O
THR
23
1
A
A
N
C
CYS
VAL
1
29
1.33
1
A
A
H
O
ARG
LEU
24
27
1.58
2
A
A
N
C
CYS
VAL
1
29
1.33
3
A
A
N
C
CYS
VAL
1
29
1.33
3
A
A
HH21
OD2
ARG
ASP
24
25
1.58
4
A
A
N
C
CYS
VAL
1
29
1.33
4
A
A
H
O
ARG
LEU
24
27
1.58
5
A
A
N
C
CYS
VAL
1
29
1.32
5
A
A
H
O
ARG
LEU
24
27
1.60
6
A
A
N
C
CYS
VAL
1
29
1.32
7
A
A
N
C
CYS
VAL
1
29
1.33
8
A
A
N
C
CYS
VAL
1
29
1.32
9
A
A
N
C
CYS
VAL
1
29
1.32
10
A
A
N
C
CYS
VAL
1
29
1.32
11
A
A
N
C
CYS
VAL
1
29
1.33
12
A
A
N
C
CYS
VAL
1
29
1.33
12
A
A
HH12
OD1
ARG
ASP
24
25
1.56
13
A
A
N
C
CYS
VAL
1
29
1.32
14
A
A
N
C
CYS
VAL
1
29
1.32
14
A
A
HH12
OD2
ARG
ASP
24
25
1.56
15
A
A
N
C
CYS
VAL
1
29
1.32
15
A
A
HH11
OD2
ARG
ASP
24
25
1.59
16
A
A
N
C
CYS
VAL
1
29
1.32
17
A
A
N
C
CYS
VAL
1
29
1.33
18
A
A
N
C
CYS
VAL
1
29
1.32
19
A
A
N
C
CYS
VAL
1
29
1.32
20
A
A
N
C
CYS
VAL
1
29
1.32
20
A
A
HH11
OD1
ARG
ASP
24
25
1.56
1
A
CYS
5
-115.36
60.45
1
A
TRP
19
-26.44
123.54
1
A
PRO
28
-71.28
39.01
2
A
TRP
19
-27.49
124.01
2
A
PRO
28
-70.09
37.42
3
A
CYS
5
-117.80
53.00
3
A
TRP
19
-28.01
122.95
3
A
PRO
28
-72.62
39.87
4
A
CYS
5
-112.08
60.45
4
A
TRP
19
-28.26
124.05
4
A
PRO
28
-72.15
39.74
5
A
CYS
5
-113.27
62.19
5
A
TRP
19
-27.19
122.68
5
A
PRO
28
-73.77
39.36
6
A
THR
9
-108.41
44.50
6
A
TRP
19
-23.20
120.68
6
A
PRO
28
-71.94
39.32
7
A
CYS
5
-117.97
55.65
7
A
TRP
19
-27.18
122.47
7
A
PRO
28
-70.80
44.49
8
A
CYS
5
-114.67
56.14
8
A
TRP
19
-27.95
122.79
8
A
PRO
28
-72.16
39.09
9
A
CYS
5
-118.48
56.70
9
A
TRP
19
-27.40
122.82
9
A
PRO
28
-73.14
46.74
10
A
CYS
5
-115.12
54.82
10
A
TRP
19
-27.71
123.00
10
A
PRO
28
-72.82
38.72
11
A
CYS
5
-118.38
55.36
11
A
TRP
19
-27.75
122.98
11
A
PRO
28
-73.21
39.02
12
A
THR
18
-113.13
66.12
12
A
TRP
19
-23.55
120.36
12
A
PRO
28
-72.86
47.38
13
A
THR
18
-115.96
66.87
13
A
TRP
19
-23.51
119.48
13
A
PRO
28
-73.96
38.71
14
A
THR
18
-111.25
67.60
14
A
TRP
19
-26.33
122.53
14
A
PRO
28
-75.60
39.03
15
A
CYS
5
-105.34
57.32
15
A
TRP
19
-21.56
122.25
15
A
PRO
28
-74.82
38.82
16
A
TRP
19
-25.70
122.26
16
A
PRO
28
-71.59
48.26
17
A
TRP
19
-25.18
121.06
17
A
PRO
28
-71.70
45.61
18
A
TRP
19
-25.22
121.33
18
A
PRO
28
-72.85
38.72
19
A
THR
18
-109.06
69.61
19
A
TRP
19
-25.19
122.10
19
A
PRO
28
-75.39
39.92
20
A
CYS
5
-107.63
60.35
20
A
TRP
19
-23.04
125.59
20
A
PRO
28
-73.39
39.99
Solution structure of the Moebius cyclotide kalata B2
1
N
N
disulf
2.031
A
CYS
1
A
SG
CYS
1
1_555
A
CYS
15
A
SG
CYS
15
1_555
disulf
2.029
A
CYS
5
A
SG
CYS
5
1_555
A
CYS
17
A
SG
CYS
17
1_555
disulf
2.024
A
CYS
10
A
SG
CYS
10
1_555
A
CYS
22
A
SG
CYS
22
1_555
ANTIBIOTIC
cyclotide, kalata, circular protein, cyclic cystine knot, CCK, ANTIBIOTIC
A
TRP
19
A
TRP
19
1
A
PRO
20
A
PRO
20
0.68
A
TRP
19
A
TRP
19
2
A
PRO
20
A
PRO
20
0.57
A
TRP
19
A
TRP
19
3
A
PRO
20
A
PRO
20
0.72
A
TRP
19
A
TRP
19
4
A
PRO
20
A
PRO
20
0.67
A
TRP
19
A
TRP
19
5
A
PRO
20
A
PRO
20
0.72
A
TRP
19
A
TRP
19
6
A
PRO
20
A
PRO
20
0.29
A
TRP
19
A
TRP
19
7
A
PRO
20
A
PRO
20
0.69
A
TRP
19
A
TRP
19
8
A
PRO
20
A
PRO
20
0.63
A
TRP
19
A
TRP
19
9
A
PRO
20
A
PRO
20
0.67
A
TRP
19
A
TRP
19
10
A
PRO
20
A
PRO
20
0.63
A
TRP
19
A
TRP
19
11
A
PRO
20
A
PRO
20
0.71
A
TRP
19
A
TRP
19
12
A
PRO
20
A
PRO
20
0.43
A
TRP
19
A
TRP
19
13
A
PRO
20
A
PRO
20
0.54
A
TRP
19
A
TRP
19
14
A
PRO
20
A
PRO
20
0.53
A
TRP
19
A
TRP
19
15
A
PRO
20
A
PRO
20
0.50
A
TRP
19
A
TRP
19
16
A
PRO
20
A
PRO
20
0.75
A
TRP
19
A
TRP
19
17
A
PRO
20
A
PRO
20
0.85
A
TRP
19
A
TRP
19
18
A
PRO
20
A
PRO
20
0.54
A
TRP
19
A
TRP
19
19
A
PRO
20
A
PRO
20
0.81
A
TRP
19
A
TRP
19
20
A
PRO
20
A
PRO
20
0.65
KAB2_OLDAF
UNP
1
P58454
179
203
1PT4
1
25
P58454
A
1
1
25
175
178
1PT4
26
29
P58454
A
1
26
29
2
anti-parallel
A
SER
16
A
SER
16
A
THR
18
A
THR
18
A
ILE
21
A
ILE
21
A
THR
23
A
THR
23