1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Shaw, G.S.
Sykes, B.D.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
1
90.00
90.00
90.00
1.000
1.000
1.000
C2 H4 O
44.053
ACETYL GROUP
non-polymer
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
Ca 2
40.078
CALCIUM ION
non-polymer
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
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
H2 N
16.023
AMINO GROUP
non-polymer
C9 H11 N O2
165.189
y
PHENYLALANINE
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
US
Biochemistry
BICHAW
0033
0006-2960
31
9572
9580
10.1021/bi00155a009
1390738
Determination of the solution structure of a synthetic two-site calcium-binding homodimeric protein domain by NMR spectroscopy.
1992
10.2210/pdb1cta/pdb
pdb_00001cta
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
3856.234
TROPONIN C SITE III - SITE III HOMODIMER
2
man
polymer
40.078
CALCIUM ION
2
syn
non-polymer
no
yes
(ACE)KSEEELANAFRIFDKNADGYIDIEELGEILRATG(NH2)
XKSEEELANAFRIFDKNADGYIDIEELGEILRATGX
A,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
database_2
pdbx_database_status
pdbx_struct_assembly
pdbx_struct_conn_angle
pdbx_struct_oper_list
struct_conn
struct_ref_seq_dif
struct_site
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
Other
1
0
1993-10-31
1
1
2008-03-24
1
2
2011-07-13
1
3
2022-02-16
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.process_site
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_atom_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr1_label_seq_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_pdbx_struct_conn_angle.ptnr3_label_seq_id
_pdbx_struct_conn_angle.value
_struct_conn.conn_type_id
_struct_conn.id
_struct_conn.pdbx_dist_value
_struct_conn.pdbx_leaving_atom_flag
_struct_conn.ptnr1_auth_asym_id
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_asym_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_asym_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Y
BNL
1992-11-12
REL
CA
CALCIUM ION
1
CA
69
2
CA
CA
69
A
CA
70
2
CA
CA
70
B
ACE
0
n
1
ACE
0
A
LYS
1
n
2
LYS
1
A
SER
2
n
3
SER
2
A
GLU
3
n
4
GLU
3
A
GLU
4
n
5
GLU
4
A
GLU
5
n
6
GLU
5
A
LEU
6
n
7
LEU
6
A
ALA
7
n
8
ALA
7
A
ASN
8
n
9
ASN
8
A
ALA
9
n
10
ALA
9
A
PHE
10
n
11
PHE
10
A
ARG
11
n
12
ARG
11
A
ILE
12
n
13
ILE
12
A
PHE
13
n
14
PHE
13
A
ASP
14
n
15
ASP
14
A
LYS
15
n
16
LYS
15
A
ASN
16
n
17
ASN
16
A
ALA
17
n
18
ALA
17
A
ASP
18
n
19
ASP
18
A
GLY
19
n
20
GLY
19
A
TYR
20
n
21
TYR
20
A
ILE
21
n
22
ILE
21
A
ASP
22
n
23
ASP
22
A
ILE
23
n
24
ILE
23
A
GLU
24
n
25
GLU
24
A
GLU
25
n
26
GLU
25
A
LEU
26
n
27
LEU
26
A
GLY
27
n
28
GLY
27
A
GLU
28
n
29
GLU
28
A
ILE
29
n
30
ILE
29
A
LEU
30
n
31
LEU
30
A
ARG
31
n
32
ARG
31
A
ALA
32
n
33
ALA
32
A
THR
33
n
34
THR
33
A
GLY
34
n
35
GLY
34
A
NH2
35
n
36
NH2
35
A
ACE
0
n
1
ACE
0
B
LYS
1
n
2
LYS
1
B
SER
2
n
3
SER
2
B
GLU
3
n
4
GLU
3
B
GLU
4
n
5
GLU
4
B
GLU
5
n
6
GLU
5
B
LEU
6
n
7
LEU
6
B
ALA
7
n
8
ALA
7
B
ASN
8
n
9
ASN
8
B
ALA
9
n
10
ALA
9
B
PHE
10
n
11
PHE
10
B
ARG
11
n
12
ARG
11
B
ILE
12
n
13
ILE
12
B
PHE
13
n
14
PHE
13
B
ASP
14
n
15
ASP
14
B
LYS
15
n
16
LYS
15
B
ASN
16
n
17
ASN
16
B
ALA
17
n
18
ALA
17
B
ASP
18
n
19
ASP
18
B
GLY
19
n
20
GLY
19
B
TYR
20
n
21
TYR
20
B
ILE
21
n
22
ILE
21
B
ASP
22
n
23
ASP
22
B
ILE
23
n
24
ILE
23
B
GLU
24
n
25
GLU
24
B
GLU
25
n
26
GLU
25
B
LEU
26
n
27
LEU
26
B
GLY
27
n
28
GLY
27
B
GLU
28
n
29
GLU
28
B
ILE
29
n
30
ILE
29
B
LEU
30
n
31
LEU
30
B
ARG
31
n
32
ARG
31
B
ALA
32
n
33
ALA
32
B
THR
33
n
34
THR
33
B
GLY
34
n
35
GLY
34
B
NH2
35
n
36
NH2
35
B
author_defined_assembly
2
dimeric
A
ASP
14
A
OD1
ASP
15
1_555
A
CA
69
C
CA
CA
1_555
A
ASN
16
A
ND2
ASN
17
1_555
85.2
A
ASP
14
A
OD1
ASP
15
1_555
A
CA
69
C
CA
CA
1_555
A
ASN
16
A
OD1
ASN
17
1_555
122.6
A
ASN
16
A
ND2
ASN
17
1_555
A
CA
69
C
CA
CA
1_555
A
ASN
16
A
OD1
ASN
17
1_555
47.2
A
ASP
14
A
OD1
ASP
15
1_555
A
CA
69
C
CA
CA
1_555
A
ASP
18
A
OD1
ASP
19
1_555
60.1
A
ASN
16
A
ND2
ASN
17
1_555
A
CA
69
C
CA
CA
1_555
A
ASP
18
A
OD1
ASP
19
1_555
64.8
A
ASN
16
A
OD1
ASN
17
1_555
A
CA
69
C
CA
CA
1_555
A
ASP
18
A
OD1
ASP
19
1_555
108.6
A
ASP
14
A
OD1
ASP
15
1_555
A
CA
69
C
CA
CA
1_555
A
TYR
20
A
O
TYR
21
1_555
68.8
A
ASN
16
A
ND2
ASN
17
1_555
A
CA
69
C
CA
CA
1_555
A
TYR
20
A
O
TYR
21
1_555
131.5
A
ASN
16
A
OD1
ASN
17
1_555
A
CA
69
C
CA
CA
1_555
A
TYR
20
A
O
TYR
21
1_555
164.6
A
ASP
18
A
OD1
ASP
19
1_555
A
CA
69
C
CA
CA
1_555
A
TYR
20
A
O
TYR
21
1_555
66.7
A
ASP
14
A
OD1
ASP
15
1_555
A
CA
69
C
CA
CA
1_555
A
GLU
25
A
OE2
GLU
26
1_555
116.3
A
ASN
16
A
ND2
ASN
17
1_555
A
CA
69
C
CA
CA
1_555
A
GLU
25
A
OE2
GLU
26
1_555
97.0
A
ASN
16
A
OD1
ASN
17
1_555
A
CA
69
C
CA
CA
1_555
A
GLU
25
A
OE2
GLU
26
1_555
56.2
A
ASP
18
A
OD1
ASP
19
1_555
A
CA
69
C
CA
CA
1_555
A
GLU
25
A
OE2
GLU
26
1_555
161.3
A
TYR
20
A
O
TYR
21
1_555
A
CA
69
C
CA
CA
1_555
A
GLU
25
A
OE2
GLU
26
1_555
131.0
A
ASP
14
A
OD1
ASP
15
1_555
A
CA
69
C
CA
CA
1_555
A
GLU
25
A
OE1
GLU
26
1_555
156.9
A
ASN
16
A
ND2
ASN
17
1_555
A
CA
69
C
CA
CA
1_555
A
GLU
25
A
OE1
GLU
26
1_555
112.4
A
ASN
16
A
OD1
ASN
17
1_555
A
CA
69
C
CA
CA
1_555
A
GLU
25
A
OE1
GLU
26
1_555
67.8
A
ASP
18
A
OD1
ASP
19
1_555
A
CA
69
C
CA
CA
1_555
A
GLU
25
A
OE1
GLU
26
1_555
140.2
A
TYR
20
A
O
TYR
21
1_555
A
CA
69
C
CA
CA
1_555
A
GLU
25
A
OE1
GLU
26
1_555
105.9
A
GLU
25
A
OE2
GLU
26
1_555
A
CA
69
C
CA
CA
1_555
A
GLU
25
A
OE1
GLU
26
1_555
49.1
B
ASP
14
B
OD1
ASP
15
1_555
B
CA
70
D
CA
CA
1_555
B
ASN
16
B
OD1
ASN
17
1_555
125.1
B
ASP
14
B
OD1
ASP
15
1_555
B
CA
70
D
CA
CA
1_555
B
ASP
18
B
OD1
ASP
19
1_555
61.7
B
ASN
16
B
OD1
ASN
17
1_555
B
CA
70
D
CA
CA
1_555
B
ASP
18
B
OD1
ASP
19
1_555
116.2
B
ASP
14
B
OD1
ASP
15
1_555
B
CA
70
D
CA
CA
1_555
B
TYR
20
B
O
TYR
21
1_555
67.2
B
ASN
16
B
OD1
ASN
17
1_555
B
CA
70
D
CA
CA
1_555
B
TYR
20
B
O
TYR
21
1_555
167.6
B
ASP
18
B
OD1
ASP
19
1_555
B
CA
70
D
CA
CA
1_555
B
TYR
20
B
O
TYR
21
1_555
65.9
B
ASP
14
B
OD1
ASP
15
1_555
B
CA
70
D
CA
CA
1_555
B
GLU
25
B
OE2
GLU
26
1_555
116.3
B
ASN
16
B
OD1
ASN
17
1_555
B
CA
70
D
CA
CA
1_555
B
GLU
25
B
OE2
GLU
26
1_555
58.8
B
ASP
18
B
OD1
ASP
19
1_555
B
CA
70
D
CA
CA
1_555
B
GLU
25
B
OE2
GLU
26
1_555
173.1
B
TYR
20
B
O
TYR
21
1_555
B
CA
70
D
CA
CA
1_555
B
GLU
25
B
OE2
GLU
26
1_555
120.0
B
ASP
14
B
OD1
ASP
15
1_555
B
CA
70
D
CA
CA
1_555
B
GLU
25
B
OE1
GLU
26
1_555
149.7
B
ASN
16
B
OD1
ASN
17
1_555
B
CA
70
D
CA
CA
1_555
B
GLU
25
B
OE1
GLU
26
1_555
73.5
B
ASP
18
B
OD1
ASP
19
1_555
B
CA
70
D
CA
CA
1_555
B
GLU
25
B
OE1
GLU
26
1_555
136.6
B
TYR
20
B
O
TYR
21
1_555
B
CA
70
D
CA
CA
1_555
B
GLU
25
B
OE1
GLU
26
1_555
96.5
B
GLU
25
B
OE2
GLU
26
1_555
B
CA
70
D
CA
CA
1_555
B
GLU
25
B
OE1
GLU
26
1_555
48.5
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
1
B
B
C
H
ACE
LYS
0
1
0.56
1
A
A
O
H
ACE
LYS
0
1
1.18
1
A
ALA
9
-11.67
1
A
PHE
10
-10.31
1
B
PHE
10
-10.65
1
B
ALA
17
-10.66
1
A
A
ALA
THR
32
33
-105.60
1
B
B
LYS
SER
1
2
-127.39
1
B
ARG
31
0.142
SIDE CHAIN
1
31.91
2.50
121.70
153.61
A
A
A
C
N
CA
ACE
LYS
LYS
0
1
1
Y
1
A
SER
2
-15.92
148.55
1
A
GLU
3
67.66
-62.21
1
A
ARG
31
-55.72
92.63
1
A
ALA
32
-82.33
47.29
1
A
THR
33
-18.70
101.34
1
B
SER
2
69.72
67.03
1
B
GLU
3
54.41
-24.96
1
B
THR
33
-89.95
47.74
DETERMINATION OF THE SOLUTION STRUCTURE OF A SYNTHETIC TWO-SITE CALCIUM-BINDING HOMODIMERIC PROTEIN DOMAIN BY NMR SPECTROSCOPY
1
N
N
1
N
N
2
N
N
2
N
N
A
GLU
3
A
GLU
4
HELX_P
A
ASP
14
A
ASP
15
1
1
12
A
ASP
22
A
ASP
23
HELX_P
A
ARG
31
A
ARG
32
1
2
10
B
GLU
3
B
GLU
4
HELX_P
B
ASP
14
B
ASP
15
1
3
12
B
ASP
22
B
ASP
23
HELX_P
B
ARG
31
B
ARG
32
1
4
10
covale
0.900
one
A
ACE
0
A
C
ACE
1
1_555
A
LYS
1
A
H
LYS
2
1_555
covale
1.309
both
A
ACE
0
A
C
ACE
1
1_555
A
LYS
1
A
N
LYS
2
1_555
covale
1.310
both
A
GLY
34
A
C
GLY
35
1_555
A
NH2
35
A
N
NH2
36
1_555
covale
1.147
none
B
ACE
0
B
O
ACE
1
1_555
B
LYS
1
B
H
LYS
2
1_555
covale
1.309
both
B
ACE
0
B
C
ACE
1
1_555
B
LYS
1
B
N
LYS
2
1_555
covale
1.315
both
B
GLY
34
B
C
GLY
35
1_555
B
NH2
35
B
N
NH2
36
1_555
metalc
2.717
A
ASP
14
A
OD1
ASP
15
1_555
A
CA
69
C
CA
CA
1_555
metalc
2.608
A
ASN
16
A
ND2
ASN
17
1_555
A
CA
69
C
CA
CA
1_555
metalc
2.834
A
ASN
16
A
OD1
ASN
17
1_555
A
CA
69
C
CA
CA
1_555
metalc
2.762
A
ASP
18
A
OD1
ASP
19
1_555
A
CA
69
C
CA
CA
1_555
metalc
2.710
A
TYR
20
A
O
TYR
21
1_555
A
CA
69
C
CA
CA
1_555
metalc
2.785
A
GLU
25
A
OE2
GLU
26
1_555
A
CA
69
C
CA
CA
1_555
metalc
2.583
A
GLU
25
A
OE1
GLU
26
1_555
A
CA
69
C
CA
CA
1_555
metalc
2.720
B
ASP
14
B
OD1
ASP
15
1_555
B
CA
70
D
CA
CA
1_555
metalc
2.715
B
ASN
16
B
OD1
ASN
17
1_555
B
CA
70
D
CA
CA
1_555
metalc
2.698
B
ASP
18
B
OD1
ASP
19
1_555
B
CA
70
D
CA
CA
1_555
metalc
2.749
B
TYR
20
B
O
TYR
21
1_555
B
CA
70
D
CA
CA
1_555
metalc
2.759
B
GLU
25
B
OE2
GLU
26
1_555
B
CA
70
D
CA
CA
1_555
metalc
2.668
B
GLU
25
B
OE1
GLU
26
1_555
B
CA
70
D
CA
CA
1_555
MUSCLE PROTEIN
MUSCLE PROTEIN
TPCS_CHICK
UNP
1
1
P02588
ASMTDQQAEARAFLSEEMIAEFKAAFDMFDADGGGDISTKELGTVMRMLGQNPTKEELDAIIEEVDEDGSGTIDFEEFLV
MMVRQMKEDAKGKSEEELANCFRIFDKNADGFIDIEELGEILRATGEHVTEEDIEDLMKDSDKNNDGRIDFDEFLKMMEG
VQ
93
126
1CTA
1
34
P02588
A
1
2
35
93
126
1CTA
1
34
P02588
B
1
2
35
1
CYS
conflict
ALA
9
1CTA
A
P02588
UNP
101
10
1
PHE
conflict
TYR
20
1CTA
A
P02588
UNP
112
21
2
CYS
conflict
ALA
9
1CTA
B
P02588
UNP
101
10
2
PHE
conflict
TYR
20
1CTA
B
P02588
UNP
112
21
BINDING SITE FOR RESIDUE CA A 69
A
CA
69
Software
6
BINDING SITE FOR RESIDUE CA B 70
B
CA
70
Software
5
A
ASP
14
A
ASP
15
6
1_555
A
ASN
16
A
ASN
17
6
1_555
A
ASP
18
A
ASP
19
6
1_555
A
TYR
20
A
TYR
21
6
1_555
A
ASP
22
A
ASP
23
6
1_555
A
GLU
25
A
GLU
26
6
1_555
B
ASP
14
B
ASP
15
5
1_555
B
ASN
16
B
ASN
17
5
1_555
B
ASP
18
B
ASP
19
5
1_555
B
TYR
20
B
TYR
21
5
1_555
B
GLU
25
B
GLU
26
5
1_555
1
P 1