1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Opella, S.J.
De Angelis, A.A.
Howell, S.C.
Nevzorov, A.A.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
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 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C4 H9 N O3
119.119
n
L-HOMOSERINE
L-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
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
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
US
J.Am.Chem.Soc.
JACSAT
0004
0002-7863
128
12256
12267
10.1021/ja063640w
16967977
Structure Determination of a Membrane Protein with Two Trans-membrane Helices in Aligned Phospholipid Bicelles by Solid-State NMR Spectroscopy.
2006
10.2210/pdb2h3o/pdb
pdb_00002h3o
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
6408.632
MerF
Helix-loop-helix, residues 12-72
C21S, C22S, C71S, C72(GLX)
1
man
polymer
no
yes
LIGTTLVALSSFTPVLVILLGVVGLSALTGYLDYVLLPALAIFIGLTIYAIQRKRQADAS(HSE)
LIGTTLVALSSFTPVLVILLGVVGLSALTGYLDYVLLPALAIFIGLTIYAIQRKRQADASS
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
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
Morganella
Escherichia
sample
merF
582
Morganella morganii
562
Escherichia coli
C43(DE3)
PLASMID
PET31B-MERFT
database_2
pdbx_nmr_software
pdbx_nmr_spectrometer
pdbx_struct_assembly
pdbx_struct_oper_list
struct_ref_seq_dif
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
1
0
2006-10-03
1
1
2008-05-01
1
2
2011-07-13
1
3
2021-10-20
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_nmr_software.name
_pdbx_nmr_spectrometer.model
_struct_ref_seq_dif.details
Solution structure of mercury transport protein MerF, structure in SDS micelles
SEQUENCE
Residue at position 72 is a C72S mutation. Residue Ser is
further modified to Homoserine
RCSB
Y
RCSB
2006-05-22
REL
REL
15N chemical shifts and 1H-15N dipolar couplings were measured by solid-state NMR
structures with the least restraint violations
20
1
PISEMA
SAMMY
5
ambient
313
K
This structure was calculated by using a structural fitting algorithm that finds torsion angles between consecutive residues based on their 15N chemical shift, 1H-15N dipolar coupling frequencies and Ramachandran maps. One hydrophobic matching and one loose helix-helix distance restraints were used
DIRECT STRUCTURAL FITTING OF 2D SOLID-STATE NMR DATA
6 mM MerFt aligned in large 14-O-PC/6-O-PC phospholipid bicelles, 28% (w/v) in H2O
H2O
Delaglio, F et al.
data analysis
NMRPipe
2.3
Goddard, T.D. et al.
data analysis
Sparky
3.11
Nevzorov, A.A and Opella, S.J.
refinement
Structural Fitting
2.0
700
Bruker
AVANCE
n
1
12
A
n
2
13
A
n
3
14
A
n
4
15
A
n
5
16
A
n
6
17
A
n
7
18
A
n
8
19
A
n
9
20
A
n
10
21
A
n
11
22
A
n
12
23
A
n
13
24
A
n
14
25
A
VAL
26
n
15
VAL
26
A
LEU
27
n
16
LEU
27
A
VAL
28
n
17
VAL
28
A
ILE
29
n
18
ILE
29
A
LEU
30
n
19
LEU
30
A
LEU
31
n
20
LEU
31
A
GLY
32
n
21
GLY
32
A
VAL
33
n
22
VAL
33
A
VAL
34
n
23
VAL
34
A
GLY
35
n
24
GLY
35
A
LEU
36
n
25
LEU
36
A
SER
37
n
26
SER
37
A
ALA
38
n
27
ALA
38
A
LEU
39
n
28
LEU
39
A
THR
40
n
29
THR
40
A
GLY
41
n
30
GLY
41
A
TYR
42
n
31
TYR
42
A
LEU
43
n
32
LEU
43
A
ASP
44
n
33
ASP
44
A
TYR
45
n
34
TYR
45
A
VAL
46
n
35
VAL
46
A
LEU
47
n
36
LEU
47
A
LEU
48
n
37
LEU
48
A
PRO
49
n
38
PRO
49
A
ALA
50
n
39
ALA
50
A
LEU
51
n
40
LEU
51
A
ALA
52
n
41
ALA
52
A
ILE
53
n
42
ILE
53
A
PHE
54
n
43
PHE
54
A
ILE
55
n
44
ILE
55
A
GLY
56
n
45
GLY
56
A
LEU
57
n
46
LEU
57
A
THR
58
n
47
THR
58
A
ILE
59
n
48
ILE
59
A
TYR
60
n
49
TYR
60
A
ALA
61
n
50
ALA
61
A
ILE
62
n
51
ILE
62
A
GLN
63
n
52
GLN
63
A
ARG
64
n
53
ARG
64
A
LYS
65
n
54
LYS
65
A
ARG
66
n
55
ARG
66
A
GLN
67
n
56
GLN
67
A
ALA
68
n
57
ALA
68
A
ASP
69
n
58
ASP
69
A
ALA
70
n
59
ALA
70
A
n
60
71
A
n
61
72
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
identity operation
0.0000000000
0.0000000000
0.0000000000
1
A
N
VAL
26
A
N
VAL
15
1
Y
1
A
CA
VAL
26
A
CA
VAL
15
1
Y
1
A
CB
VAL
26
A
CB
VAL
15
1
Y
1
A
CG1
VAL
26
A
CG1
VAL
15
1
Y
1
A
CG2
VAL
26
A
CG2
VAL
15
1
Y
1
A
CB
LEU
27
A
CB
LEU
16
1
Y
1
A
CG
LEU
27
A
CG
LEU
16
1
Y
1
A
CD1
LEU
27
A
CD1
LEU
16
1
Y
1
A
CD2
LEU
27
A
CD2
LEU
16
1
Y
1
A
CB
VAL
28
A
CB
VAL
17
1
Y
1
A
CG1
VAL
28
A
CG1
VAL
17
1
Y
1
A
CG2
VAL
28
A
CG2
VAL
17
1
Y
1
A
CB
ILE
29
A
CB
ILE
18
1
Y
1
A
CG1
ILE
29
A
CG1
ILE
18
1
Y
1
A
CG2
ILE
29
A
CG2
ILE
18
1
Y
1
A
CD1
ILE
29
A
CD1
ILE
18
1
Y
1
A
CB
LEU
30
A
CB
LEU
19
1
Y
1
A
CG
LEU
30
A
CG
LEU
19
1
Y
1
A
CD1
LEU
30
A
CD1
LEU
19
1
Y
1
A
CD2
LEU
30
A
CD2
LEU
19
1
Y
1
A
CB
LEU
31
A
CB
LEU
20
1
Y
1
A
CG
LEU
31
A
CG
LEU
20
1
Y
1
A
CD1
LEU
31
A
CD1
LEU
20
1
Y
1
A
CD2
LEU
31
A
CD2
LEU
20
1
Y
1
A
CB
VAL
33
A
CB
VAL
22
1
Y
1
A
CG1
VAL
33
A
CG1
VAL
22
1
Y
1
A
CG2
VAL
33
A
CG2
VAL
22
1
Y
1
A
CB
VAL
34
A
CB
VAL
23
1
Y
1
A
CG1
VAL
34
A
CG1
VAL
23
1
Y
1
A
CG2
VAL
34
A
CG2
VAL
23
1
Y
1
A
CB
LEU
36
A
CB
LEU
25
1
Y
1
A
CG
LEU
36
A
CG
LEU
25
1
Y
1
A
CD1
LEU
36
A
CD1
LEU
25
1
Y
1
A
CD2
LEU
36
A
CD2
LEU
25
1
Y
1
A
CB
SER
37
A
CB
SER
26
1
Y
1
A
OG
SER
37
A
OG
SER
26
1
Y
1
A
CB
ALA
38
A
CB
ALA
27
1
Y
1
A
CB
LEU
39
A
CB
LEU
28
1
Y
1
A
CG
LEU
39
A
CG
LEU
28
1
Y
1
A
CD1
LEU
39
A
CD1
LEU
28
1
Y
1
A
CD2
LEU
39
A
CD2
LEU
28
1
Y
1
A
CB
THR
40
A
CB
THR
29
1
Y
1
A
OG1
THR
40
A
OG1
THR
29
1
Y
1
A
CG2
THR
40
A
CG2
THR
29
1
Y
1
A
CB
TYR
42
A
CB
TYR
31
1
Y
1
A
CG
TYR
42
A
CG
TYR
31
1
Y
1
A
CD1
TYR
42
A
CD1
TYR
31
1
Y
1
A
CD2
TYR
42
A
CD2
TYR
31
1
Y
1
A
CE1
TYR
42
A
CE1
TYR
31
1
Y
1
A
CE2
TYR
42
A
CE2
TYR
31
1
Y
1
A
CZ
TYR
42
A
CZ
TYR
31
1
Y
1
A
OH
TYR
42
A
OH
TYR
31
1
Y
1
A
CB
LEU
43
A
CB
LEU
32
1
Y
1
A
CG
LEU
43
A
CG
LEU
32
1
Y
1
A
CD1
LEU
43
A
CD1
LEU
32
1
Y
1
A
CD2
LEU
43
A
CD2
LEU
32
1
Y
1
A
CB
ASP
44
A
CB
ASP
33
1
Y
1
A
CG
ASP
44
A
CG
ASP
33
1
Y
1
A
OD1
ASP
44
A
OD1
ASP
33
1
Y
1
A
OD2
ASP
44
A
OD2
ASP
33
1
Y
1
A
CB
TYR
45
A
CB
TYR
34
1
Y
1
A
CG
TYR
45
A
CG
TYR
34
1
Y
1
A
CD1
TYR
45
A
CD1
TYR
34
1
Y
1
A
CD2
TYR
45
A
CD2
TYR
34
1
Y
1
A
CE1
TYR
45
A
CE1
TYR
34
1
Y
1
A
CE2
TYR
45
A
CE2
TYR
34
1
Y
1
A
CZ
TYR
45
A
CZ
TYR
34
1
Y
1
A
OH
TYR
45
A
OH
TYR
34
1
Y
1
A
CB
VAL
46
A
CB
VAL
35
1
Y
1
A
CG1
VAL
46
A
CG1
VAL
35
1
Y
1
A
CG2
VAL
46
A
CG2
VAL
35
1
Y
1
A
CB
LEU
47
A
CB
LEU
36
1
Y
1
A
CG
LEU
47
A
CG
LEU
36
1
Y
1
A
CD1
LEU
47
A
CD1
LEU
36
1
Y
1
A
CD2
LEU
47
A
CD2
LEU
36
1
Y
1
A
CB
LEU
48
A
CB
LEU
37
1
Y
1
A
CG
LEU
48
A
CG
LEU
37
1
Y
1
A
CD1
LEU
48
A
CD1
LEU
37
1
Y
1
A
CD2
LEU
48
A
CD2
LEU
37
1
Y
1
A
CB
PRO
49
A
CB
PRO
38
1
Y
1
A
CG
PRO
49
A
CG
PRO
38
1
Y
1
A
CD
PRO
49
A
CD
PRO
38
1
Y
1
A
CB
ALA
50
A
CB
ALA
39
1
Y
1
A
CB
LEU
51
A
CB
LEU
40
1
Y
1
A
CG
LEU
51
A
CG
LEU
40
1
Y
1
A
CD1
LEU
51
A
CD1
LEU
40
1
Y
1
A
CD2
LEU
51
A
CD2
LEU
40
1
Y
1
A
CB
ALA
52
A
CB
ALA
41
1
Y
1
A
CB
ILE
53
A
CB
ILE
42
1
Y
1
A
CG1
ILE
53
A
CG1
ILE
42
1
Y
1
A
CG2
ILE
53
A
CG2
ILE
42
1
Y
1
A
CD1
ILE
53
A
CD1
ILE
42
1
Y
1
A
CB
PHE
54
A
CB
PHE
43
1
Y
1
A
CG
PHE
54
A
CG
PHE
43
1
Y
1
A
CD1
PHE
54
A
CD1
PHE
43
1
Y
1
A
CD2
PHE
54
A
CD2
PHE
43
1
Y
1
A
CE1
PHE
54
A
CE1
PHE
43
1
Y
1
A
CE2
PHE
54
A
CE2
PHE
43
1
Y
1
A
CZ
PHE
54
A
CZ
PHE
43
1
Y
1
A
CB
ILE
55
A
CB
ILE
44
1
Y
1
A
CG1
ILE
55
A
CG1
ILE
44
1
Y
1
A
CG2
ILE
55
A
CG2
ILE
44
1
Y
1
A
CD1
ILE
55
A
CD1
ILE
44
1
Y
1
A
CB
LEU
57
A
CB
LEU
46
1
Y
1
A
CG
LEU
57
A
CG
LEU
46
1
Y
1
A
CD1
LEU
57
A
CD1
LEU
46
1
Y
1
A
CD2
LEU
57
A
CD2
LEU
46
1
Y
1
A
CB
THR
58
A
CB
THR
47
1
Y
1
A
OG1
THR
58
A
OG1
THR
47
1
Y
1
A
CG2
THR
58
A
CG2
THR
47
1
Y
1
A
CB
ILE
59
A
CB
ILE
48
1
Y
1
A
CG1
ILE
59
A
CG1
ILE
48
1
Y
1
A
CG2
ILE
59
A
CG2
ILE
48
1
Y
1
A
CD1
ILE
59
A
CD1
ILE
48
1
Y
1
A
CB
TYR
60
A
CB
TYR
49
1
Y
1
A
CG
TYR
60
A
CG
TYR
49
1
Y
1
A
CD1
TYR
60
A
CD1
TYR
49
1
Y
1
A
CD2
TYR
60
A
CD2
TYR
49
1
Y
1
A
CE1
TYR
60
A
CE1
TYR
49
1
Y
1
A
CE2
TYR
60
A
CE2
TYR
49
1
Y
1
A
CZ
TYR
60
A
CZ
TYR
49
1
Y
1
A
OH
TYR
60
A
OH
TYR
49
1
Y
1
A
CB
ALA
61
A
CB
ALA
50
1
Y
1
A
CB
ILE
62
A
CB
ILE
51
1
Y
1
A
CG1
ILE
62
A
CG1
ILE
51
1
Y
1
A
CG2
ILE
62
A
CG2
ILE
51
1
Y
1
A
CD1
ILE
62
A
CD1
ILE
51
1
Y
1
A
CB
GLN
63
A
CB
GLN
52
1
Y
1
A
CG
GLN
63
A
CG
GLN
52
1
Y
1
A
CD
GLN
63
A
CD
GLN
52
1
Y
1
A
OE1
GLN
63
A
OE1
GLN
52
1
Y
1
A
NE2
GLN
63
A
NE2
GLN
52
1
Y
1
A
CB
ARG
64
A
CB
ARG
53
1
Y
1
A
CG
ARG
64
A
CG
ARG
53
1
Y
1
A
CD
ARG
64
A
CD
ARG
53
1
Y
1
A
NE
ARG
64
A
NE
ARG
53
1
Y
1
A
CZ
ARG
64
A
CZ
ARG
53
1
Y
1
A
NH1
ARG
64
A
NH1
ARG
53
1
Y
1
A
NH2
ARG
64
A
NH2
ARG
53
1
Y
1
A
CB
LYS
65
A
CB
LYS
54
1
Y
1
A
CG
LYS
65
A
CG
LYS
54
1
Y
1
A
CD
LYS
65
A
CD
LYS
54
1
Y
1
A
CE
LYS
65
A
CE
LYS
54
1
Y
1
A
NZ
LYS
65
A
NZ
LYS
54
1
Y
1
A
CB
ARG
66
A
CB
ARG
55
1
Y
1
A
CG
ARG
66
A
CG
ARG
55
1
Y
1
A
CD
ARG
66
A
CD
ARG
55
1
Y
1
A
NE
ARG
66
A
NE
ARG
55
1
Y
1
A
CZ
ARG
66
A
CZ
ARG
55
1
Y
1
A
NH1
ARG
66
A
NH1
ARG
55
1
Y
1
A
NH2
ARG
66
A
NH2
ARG
55
1
Y
1
A
CB
GLN
67
A
CB
GLN
56
1
Y
1
A
CG
GLN
67
A
CG
GLN
56
1
Y
1
A
CD
GLN
67
A
CD
GLN
56
1
Y
1
A
OE1
GLN
67
A
OE1
GLN
56
1
Y
1
A
NE2
GLN
67
A
NE2
GLN
56
1
Y
1
A
CB
ALA
68
A
CB
ALA
57
1
Y
1
A
CB
ASP
69
A
CB
ASP
58
1
Y
1
A
CG
ASP
69
A
CG
ASP
58
1
Y
1
A
OD1
ASP
69
A
OD1
ASP
58
1
Y
1
A
OD2
ASP
69
A
OD2
ASP
58
1
Y
1
A
C
ALA
70
A
C
ALA
59
1
Y
1
A
O
ALA
70
A
O
ALA
59
1
Y
1
A
CB
ALA
70
A
CB
ALA
59
1
Y
1
A
LEU
12
A
LEU
1
1
Y
1
A
ILE
13
A
ILE
2
1
Y
1
A
GLY
14
A
GLY
3
1
Y
1
A
THR
15
A
THR
4
1
Y
1
A
THR
16
A
THR
5
1
Y
1
A
LEU
17
A
LEU
6
1
Y
1
A
VAL
18
A
VAL
7
1
Y
1
A
ALA
19
A
ALA
8
1
Y
1
A
LEU
20
A
LEU
9
1
Y
1
A
SER
21
A
SER
10
1
Y
1
A
SER
22
A
SER
11
1
Y
1
A
PHE
23
A
PHE
12
1
Y
1
A
THR
24
A
THR
13
1
Y
1
A
PRO
25
A
PRO
14
1
Y
1
A
SER
71
A
SER
60
1
Y
1
A
HSE
72
A
HSE
61
1
Y
1
A
A
O
H
ILE
VAL
29
33
1.48
1
A
A
O
H
ALA
TYR
38
42
1.52
1
A
A
O
N
ALA
TYR
38
42
1.83
1
A
A
O
O
ARG
ASP
66
69
1.92
1
A
A
O
CA
ALA
TYR
38
42
1.98
Structure of MERFT, a membrane protein with two trans-membrane helices
1
N
N
A
LEU
27
A
LEU
16
HELX_P
A
LEU
43
A
LEU
32
1
1
17
A
ALA
50
A
ALA
39
HELX_P
A
ALA
68
A
ALA
57
1
2
19
MEMBRANE PROTEIN
MEMBRANE PROTEIN, ALPHA-HELIX, BICELLE
Q56446_MORMO
UNP
1
12
Q56446
12
72
2H3O
12
72
Q56446
A
1
1
61
1
ILE
engineered mutation
LEU
12
2H3O
A
Q56446
UNP
12
1
1
CYS
engineered mutation
SER
21
2H3O
A
Q56446
UNP
21
10
1
CYS
engineered mutation
SER
22
2H3O
A
Q56446
UNP
22
11
1
CYS
engineered mutation
SER
71
2H3O
A
Q56446
UNP
71
60
1
CYS
SEE REMARK 999
HSE
72
2H3O
A
Q56446
UNP
72
61