1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Conibear, A.C.
Rosengren, K.
Daly, N.L.
Troiera Henriques, S.
Craik, D.J.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
C4 H9 N O2
103.120
n
ALPHA-AMINOBUTYRIC ACID
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
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
288
10830
10840
10.1074/jbc.M113.451047
23430740
The cyclic cystine ladder in theta-defensins is important for structure and stability, but not antibacterial activity.
2013
10.2210/pdb2m2g/pdb
pdb_00002m2g
2054.586
[Aba3,16]BTD-2
1
syn
polymer
no
yes
GV(ABA)RCVCRRGVCRCV(ABA)RR
GVARCVCRRGVCRCVARR
A
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Head-to-tail (Arg-Gly) cyclic peptide. Residues 3 and 16 are replaced by alpha-aminobuytyric acid.'
database_2
pdbx_database_status
pdbx_nmr_software
pdbx_nmr_spectrometer
struct_conn
repository
Initial release
Database references
Database references
Data collection
Database references
Derived calculations
Other
1
0
2013-02-27
1
1
2013-03-20
1
2
2013-07-10
1
3
2023-06-14
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.status_code_nmr_data
_pdbx_nmr_software.name
_pdbx_nmr_spectrometer.model
_struct_conn.pdbx_dist_value
_struct_conn.pdbx_leaving_atom_flag
_struct_conn.pdbx_value_order
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
High resolution NMR solution structure of a symmetrical theta-defensin, BTD-2
High resolution NMR solution structure of a symmetrical theta-defensin, BTD-2
BMRB
Y
RCSB
2012-12-20
REL
REL
REL
REL
solid phase peptide synthesis
sample
Antimicrobial
[Aba3,16]BTD-2
Cyclic peptide
100
54
6
5
35
12
6
0
16
14
structures with the lowest energy
50
20
2D 1H-1H TOCSY
2D 1H-1H NOESY
2D 1H-13C HSQC
2D DQF-COSY
2D 1H-1H ECOSY
0.5
mM
10
uM
0.5
mM
10
uM
5
ambient
298
K
Structures were calculated using the scripts from the RECOORD database. Used to calculate preliminary structures
simulated annealing, torsion angle dynamics
1
lowest energy
0.5 mM [Aba3,16]BTD, 10 uM DSS, 90% H2O/10% D2O
90% H2O/10% D2O
0.5 mM [Aba3,16]BTD, 10 uM DSS, 100% D2O
100% D2O
CCPN
data analysis
CcpNmr
2.1
CCPN
chemical shift assignment
CcpNmr
2.1
CCPN
peak picking
CcpNmr
2.1
Bruker Biospin
collection
TopSpin
2.1
Bruker Biospin
processing
TopSpin
2.1
Guntert, Mumenthaler and Wuthrich
structure solution
CYANA
3.0
Brunger, Adams, Clore, Gros, Nilges and Read
refinement
CNS
2.1
Guntert, Mumenthaler and Wuthrich
refinement
CYANA
500
Bruker
AVANCE
Bruker Avance
600
Bruker
AVANCE
Bruker Avance
GLY
1
n
1
GLY
1
A
VAL
2
n
2
VAL
2
A
ABU
3
n
3
ABA
3
A
ARG
4
n
4
ARG
4
A
CYS
5
n
5
CYS
5
A
VAL
6
n
6
VAL
6
A
CYS
7
n
7
CYS
7
A
ARG
8
n
8
ARG
8
A
ARG
9
n
9
ARG
9
A
GLY
10
n
10
GLY
10
A
VAL
11
n
11
VAL
11
A
CYS
12
n
12
CYS
12
A
ARG
13
n
13
ARG
13
A
CYS
14
n
14
CYS
14
A
VAL
15
n
15
VAL
15
A
ABU
16
n
16
ABA
16
A
ARG
17
n
17
ARG
17
A
ARG
18
n
18
ARG
18
A
author_defined_assembly
1
monomeric
A
ABA
3
ALPHA-AMINOBUTYRIC ACID
A
ABA
3
ALA
A
ABA
16
ALPHA-AMINOBUTYRIC ACID
A
ABA
16
ALA
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
VAL
6
A
N
VAL
6
A
O
ARG
13
A
O
ARG
13
lowest energy, model1
Solution structure of the antimicrobial peptide [Aba3,16]BTD-2
1
N
N
disulf
2.035
A
CYS
5
A
SG
CYS
5
1_555
A
CYS
14
A
SG
CYS
14
1_555
disulf
2.040
A
CYS
7
A
SG
CYS
7
1_555
A
CYS
12
A
SG
CYS
12
1_555
covale
1.304
both
A
GLY
1
A
N
GLY
1
1_555
A
ARG
18
A
C
ARG
18
1_555
covale
1.301
both
sing
A
VAL
2
A
C
VAL
2
1_555
A
ABA
3
A
N
ABA
3
1_555
covale
1.296
both
sing
A
ABA
3
A
C
ABA
3
1_555
A
ARG
4
A
N
ARG
4
1_555
covale
1.315
both
sing
A
VAL
15
A
C
VAL
15
1_555
A
ABA
16
A
N
ABA
16
1_555
covale
1.290
both
sing
A
ABA
16
A
C
ABA
16
1_555
A
ARG
17
A
N
ARG
17
1_555
ANTIMICROBIAL PROTEIN
theta-defensin, cyclic peptides, cyclic cystine ladder, disulfide bond, antimicrobial peptide, ANTIMICROBIAL PROTEIN
2M2G
PDB
1
2M2G
GVXRCVCRRGVCRCVXRR
1
18
2M2G
1
18
2M2G
A
1
1
18
2
anti-parallel
A
VAL
2
A
VAL
2
A
ARG
8
A
ARG
8
A
VAL
11
A
VAL
11
A
ARG
17
A
ARG
17