0.007870
0.004544
0.000000
0.000000
0.009088
0.000000
0.000000
0.000000
0.014778
0.00000
0.00000
0.00000
Sotelo-Mundo, R.R.
Changchien, L.
Maley, F.
Montfort, W.R.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
12
90.00
90.00
120.00
127.060
127.060
67.670
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
C24 H23 N5 O6
477.469
10-PROPARGYL-5,8-DIDEAZAFOLIC ACID
non-polymer
C6 H11 N O4 S
193.221
n
N-CARBOXYMETHIONINE
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
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
H2 O
18.015
WATER
non-polymer
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
C5 H11 N O2 S
149.211
y
METHIONINE
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
O4 S -2
96.063
SULFATE ION
non-polymer
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
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.Biochem.Mol.Toxicol.
1095-6670
20
88
92
10.1002/jbt.20122
16615077
Crystal structures of thymidylate synthase mutant R166Q: Structural basis for the nearly complete loss of catalytic activity.
2006
Thesis
1
138
Crystallographics studied of thymidylate synthase: structure of a mammalian enzyme and analyses of invariant non-catalytic residues in a bacterial enzyme
1999
10.2210/pdb1fwm/pdb
pdb_00001fwm
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
298
1
DIFFRACTOMETER
1997-10-13
ENRAF-NONIUS FAST
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
ENRAF-NONIUS FR571
30530.600
THYMIDYLATE SYNTHASE
2.1.1.45
R166Q
2
man
polymer
96.063
SULFATE ION
2
syn
non-polymer
477.469
10-PROPARGYL-5,8-DIDEAZAFOLIC ACID
2
syn
non-polymer
18.015
water
170
nat
water
no
yes
(CXM)KQYLELMQKVLDEGTQKNDRTGTGTLSIFGHQMRFNLQDGFPLVTTKRCHLRSIIHELLWFLQGDTNIAYLHENN
VTIWDEWADENGDLGPVYGKQWRAWPTPDGRHIDQITTVLNQLKNDPDSRRIIVSAWNVGELDKMALAPCHAFFQFYVAD
GKLSCQLYQQSCDVFLGLPFNIASYALLVHMMAQQCDLEVGDFVWTGGDTHLYSNHMDQTHLQLSREPRPLPKLIIKRKP
ESIFDYRFEDFEIEGYDPHPGIKAPVAI
MKQYLELMQKVLDEGTQKNDRTGTGTLSIFGHQMRFNLQDGFPLVTTKRCHLRSIIHELLWFLQGDTNIAYLHENNVTIW
DEWADENGDLGPVYGKQWRAWPTPDGRHIDQITTVLNQLKNDPDSRRIIVSAWNVGELDKMALAPCHAFFQFYVADGKLS
CQLYQQSCDVFLGLPFNIASYALLVHMMAQQCDLEVGDFVWTGGDTHLYSNHMDQTHLQLSREPRPLPKLIIKRKPESIF
DYRFEDFEIEGYDPHPGIKAPVAI
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
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
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
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
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
Escherichia
Escherichia
sample
562
Escherichia coli
562
Escherichia coli
1
2.58
52.35
VAPOR DIFFUSION, HANGING DROP
8.0
Ammonium sulfate, potassium sulfate, EDTA, DTT, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
298
software
diffrn_detector
database_2
struct_conn
struct_ref_seq_dif
struct_site
repository
Initial release
Version format compliance
Non-polymer description
Version format compliance
Refinement description
Data collection
Database references
Derived calculations
1
0
2003-11-11
1
1
2008-04-27
1
2
2011-07-13
1
3
2017-10-04
1
4
2018-04-18
1
5
2021-11-03
_software.name
_diffrn_detector.detector
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_conn.pdbx_leaving_atom_flag
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
1FFL contains the same protein in the absence of ligands (apo-TS)
RCSB
Y
RCSB
2000-09-23
REL
SO4
SULFATE ION
CB3
10-PROPARGYL-5,8-DIDEAZAFOLIC ACID
HOH
water
SO4
265
2
SO4
SO4
265
A
SO4
565
2
SO4
SO4
565
A
CB3
266
3
CB3
CB3
266
A
CB3
566
3
CB3
CB3
566
B
HOH
602
4
HOH
HOH
602
A
HOH
603
4
HOH
HOH
603
A
HOH
604
4
HOH
HOH
604
A
HOH
605
4
HOH
HOH
605
A
HOH
606
4
HOH
HOH
606
A
HOH
607
4
HOH
HOH
607
A
HOH
609
4
HOH
HOH
609
A
HOH
610
4
HOH
HOH
610
A
HOH
611
4
HOH
HOH
611
A
HOH
613
4
HOH
HOH
613
A
HOH
614
4
HOH
HOH
614
A
HOH
615
4
HOH
HOH
615
A
HOH
616
4
HOH
HOH
616
A
HOH
618
4
HOH
HOH
618
A
HOH
619
4
HOH
HOH
619
A
HOH
622
4
HOH
HOH
622
A
HOH
625
4
HOH
HOH
625
A
HOH
628
4
HOH
HOH
628
A
HOH
629
4
HOH
HOH
629
A
HOH
630
4
HOH
HOH
630
A
HOH
631
4
HOH
HOH
631
A
HOH
632
4
HOH
HOH
632
A
HOH
634
4
HOH
HOH
634
A
HOH
635
4
HOH
HOH
635
A
HOH
637
4
HOH
HOH
637
A
HOH
639
4
HOH
HOH
639
A
HOH
641
4
HOH
HOH
641
A
HOH
642
4
HOH
HOH
642
A
HOH
644
4
HOH
HOH
644
A
HOH
645
4
HOH
HOH
645
A
HOH
646
4
HOH
HOH
646
A
HOH
648
4
HOH
HOH
648
A
HOH
651
4
HOH
HOH
651
A
HOH
652
4
HOH
HOH
652
A
HOH
653
4
HOH
HOH
653
A
HOH
655
4
HOH
HOH
655
A
HOH
656
4
HOH
HOH
656
A
HOH
657
4
HOH
HOH
657
A
HOH
659
4
HOH
HOH
659
A
HOH
661
4
HOH
HOH
661
A
HOH
663
4
HOH
HOH
663
A
HOH
665
4
HOH
HOH
665
A
HOH
669
4
HOH
HOH
669
A
HOH
670
4
HOH
HOH
670
A
HOH
673
4
HOH
HOH
673
A
HOH
674
4
HOH
HOH
674
A
HOH
675
4
HOH
HOH
675
A
HOH
676
4
HOH
HOH
676
A
HOH
677
4
HOH
HOH
677
A
HOH
678
4
HOH
HOH
678
A
HOH
679
4
HOH
HOH
679
A
HOH
685
4
HOH
HOH
685
A
HOH
687
4
HOH
HOH
687
A
HOH
688
4
HOH
HOH
688
A
HOH
691
4
HOH
HOH
691
A
HOH
692
4
HOH
HOH
692
A
HOH
694
4
HOH
HOH
694
A
HOH
695
4
HOH
HOH
695
A
HOH
697
4
HOH
HOH
697
A
HOH
698
4
HOH
HOH
698
A
HOH
699
4
HOH
HOH
699
A
HOH
700
4
HOH
HOH
700
A
HOH
701
4
HOH
HOH
701
A
HOH
706
4
HOH
HOH
706
A
HOH
707
4
HOH
HOH
707
A
HOH
709
4
HOH
HOH
709
A
HOH
711
4
HOH
HOH
711
A
HOH
712
4
HOH
HOH
712
A
HOH
713
4
HOH
HOH
713
A
HOH
715
4
HOH
HOH
715
A
HOH
716
4
HOH
HOH
716
A
HOH
718
4
HOH
HOH
718
A
HOH
720
4
HOH
HOH
720
A
HOH
724
4
HOH
HOH
724
A
HOH
725
4
HOH
HOH
725
A
HOH
726
4
HOH
HOH
726
A
HOH
727
4
HOH
HOH
727
A
HOH
728
4
HOH
HOH
728
A
HOH
731
4
HOH
HOH
731
A
HOH
732
4
HOH
HOH
732
A
HOH
734
4
HOH
HOH
734
A
HOH
735
4
HOH
HOH
735
A
HOH
736
4
HOH
HOH
736
A
HOH
737
4
HOH
HOH
737
A
HOH
740
4
HOH
HOH
740
A
HOH
742
4
HOH
HOH
742
A
HOH
744
4
HOH
HOH
744
A
HOH
746
4
HOH
HOH
746
A
HOH
748
4
HOH
HOH
748
A
HOH
749
4
HOH
HOH
749
A
HOH
750
4
HOH
HOH
750
A
HOH
751
4
HOH
HOH
751
A
HOH
754
4
HOH
HOH
754
A
HOH
756
4
HOH
HOH
756
A
HOH
757
4
HOH
HOH
757
A
HOH
758
4
HOH
HOH
758
A
HOH
760
4
HOH
HOH
760
A
HOH
761
4
HOH
HOH
761
A
HOH
762
4
HOH
HOH
762
A
HOH
764
4
HOH
HOH
764
A
HOH
765
4
HOH
HOH
765
A
HOH
766
4
HOH
HOH
766
A
HOH
768
4
HOH
HOH
768
A
HOH
770
4
HOH
HOH
770
A
HOH
601
4
HOH
HOH
601
B
HOH
608
4
HOH
HOH
608
B
HOH
612
4
HOH
HOH
612
B
HOH
617
4
HOH
HOH
617
B
HOH
620
4
HOH
HOH
620
B
HOH
621
4
HOH
HOH
621
B
HOH
623
4
HOH
HOH
623
B
HOH
624
4
HOH
HOH
624
B
HOH
626
4
HOH
HOH
626
B
HOH
627
4
HOH
HOH
627
B
HOH
633
4
HOH
HOH
633
B
HOH
636
4
HOH
HOH
636
B
HOH
638
4
HOH
HOH
638
B
HOH
640
4
HOH
HOH
640
B
HOH
643
4
HOH
HOH
643
B
HOH
647
4
HOH
HOH
647
B
HOH
649
4
HOH
HOH
649
B
HOH
650
4
HOH
HOH
650
B
HOH
654
4
HOH
HOH
654
B
HOH
658
4
HOH
HOH
658
B
HOH
660
4
HOH
HOH
660
B
HOH
662
4
HOH
HOH
662
B
HOH
664
4
HOH
HOH
664
B
HOH
666
4
HOH
HOH
666
B
HOH
667
4
HOH
HOH
667
B
HOH
668
4
HOH
HOH
668
B
HOH
671
4
HOH
HOH
671
B
HOH
672
4
HOH
HOH
672
B
HOH
680
4
HOH
HOH
680
B
HOH
681
4
HOH
HOH
681
B
HOH
682
4
HOH
HOH
682
B
HOH
683
4
HOH
HOH
683
B
HOH
684
4
HOH
HOH
684
B
HOH
686
4
HOH
HOH
686
B
HOH
689
4
HOH
HOH
689
B
HOH
690
4
HOH
HOH
690
B
HOH
693
4
HOH
HOH
693
B
HOH
696
4
HOH
HOH
696
B
HOH
702
4
HOH
HOH
702
B
HOH
703
4
HOH
HOH
703
B
HOH
704
4
HOH
HOH
704
B
HOH
705
4
HOH
HOH
705
B
HOH
708
4
HOH
HOH
708
B
HOH
710
4
HOH
HOH
710
B
HOH
714
4
HOH
HOH
714
B
HOH
717
4
HOH
HOH
717
B
HOH
719
4
HOH
HOH
719
B
HOH
721
4
HOH
HOH
721
B
HOH
722
4
HOH
HOH
722
B
HOH
723
4
HOH
HOH
723
B
HOH
729
4
HOH
HOH
729
B
HOH
730
4
HOH
HOH
730
B
HOH
733
4
HOH
HOH
733
B
HOH
738
4
HOH
HOH
738
B
HOH
739
4
HOH
HOH
739
B
HOH
741
4
HOH
HOH
741
B
HOH
743
4
HOH
HOH
743
B
HOH
745
4
HOH
HOH
745
B
HOH
747
4
HOH
HOH
747
B
HOH
752
4
HOH
HOH
752
B
HOH
753
4
HOH
HOH
753
B
HOH
755
4
HOH
HOH
755
B
HOH
759
4
HOH
HOH
759
B
HOH
763
4
HOH
HOH
763
B
HOH
767
4
HOH
HOH
767
B
HOH
769
4
HOH
HOH
769
B
CXM
1
n
1
CXM
1
A
LYS
2
n
2
LYS
2
A
GLN
3
n
3
GLN
3
A
TYR
4
n
4
TYR
4
A
LEU
5
n
5
LEU
5
A
GLU
6
n
6
GLU
6
A
LEU
7
n
7
LEU
7
A
MET
8
n
8
MET
8
A
GLN
9
n
9
GLN
9
A
LYS
10
n
10
LYS
10
A
VAL
11
n
11
VAL
11
A
LEU
12
n
12
LEU
12
A
ASP
13
n
13
ASP
13
A
GLU
14
n
14
GLU
14
A
GLY
15
n
15
GLY
15
A
THR
16
n
16
THR
16
A
GLN
17
n
17
GLN
17
A
LYS
18
n
18
LYS
18
A
ASN
19
n
19
ASN
19
A
ASP
20
n
20
ASP
20
A
ARG
21
n
21
ARG
21
A
THR
22
n
22
THR
22
A
GLY
23
n
23
GLY
23
A
THR
24
n
24
THR
24
A
GLY
25
n
25
GLY
25
A
THR
26
n
26
THR
26
A
LEU
27
n
27
LEU
27
A
SER
28
n
28
SER
28
A
ILE
29
n
29
ILE
29
A
PHE
30
n
30
PHE
30
A
GLY
31
n
31
GLY
31
A
HIS
32
n
32
HIS
32
A
GLN
33
n
33
GLN
33
A
MET
34
n
34
MET
34
A
ARG
35
n
35
ARG
35
A
PHE
36
n
36
PHE
36
A
ASN
37
n
37
ASN
37
A
LEU
38
n
38
LEU
38
A
GLN
39
n
39
GLN
39
A
ASP
40
n
40
ASP
40
A
GLY
41
n
41
GLY
41
A
PHE
42
n
42
PHE
42
A
PRO
43
n
43
PRO
43
A
LEU
44
n
44
LEU
44
A
VAL
45
n
45
VAL
45
A
THR
46
n
46
THR
46
A
THR
47
n
47
THR
47
A
LYS
48
n
48
LYS
48
A
ARG
49
n
49
ARG
49
A
CYS
50
n
50
CYS
50
A
HIS
51
n
51
HIS
51
A
LEU
52
n
52
LEU
52
A
ARG
53
n
53
ARG
53
A
SER
54
n
54
SER
54
A
ILE
55
n
55
ILE
55
A
ILE
56
n
56
ILE
56
A
HIS
57
n
57
HIS
57
A
GLU
58
n
58
GLU
58
A
LEU
59
n
59
LEU
59
A
LEU
60
n
60
LEU
60
A
TRP
61
n
61
TRP
61
A
PHE
62
n
62
PHE
62
A
LEU
63
n
63
LEU
63
A
GLN
64
n
64
GLN
64
A
GLY
65
n
65
GLY
65
A
ASP
66
n
66
ASP
66
A
THR
67
n
67
THR
67
A
ASN
68
n
68
ASN
68
A
ILE
69
n
69
ILE
69
A
ALA
70
n
70
ALA
70
A
TYR
71
n
71
TYR
71
A
LEU
72
n
72
LEU
72
A
HIS
73
n
73
HIS
73
A
GLU
74
n
74
GLU
74
A
ASN
75
n
75
ASN
75
A
ASN
76
n
76
ASN
76
A
VAL
77
n
77
VAL
77
A
THR
78
n
78
THR
78
A
ILE
79
n
79
ILE
79
A
TRP
80
n
80
TRP
80
A
ASP
81
n
81
ASP
81
A
GLU
82
n
82
GLU
82
A
TRP
83
n
83
TRP
83
A
ALA
84
n
84
ALA
84
A
ASP
85
n
85
ASP
85
A
GLU
86
n
86
GLU
86
A
ASN
87
n
87
ASN
87
A
GLY
88
n
88
GLY
88
A
ASP
89
n
89
ASP
89
A
LEU
90
n
90
LEU
90
A
GLY
91
n
91
GLY
91
A
PRO
92
n
92
PRO
92
A
VAL
93
n
93
VAL
93
A
TYR
94
n
94
TYR
94
A
GLY
95
n
95
GLY
95
A
LYS
96
n
96
LYS
96
A
GLN
97
n
97
GLN
97
A
TRP
98
n
98
TRP
98
A
ARG
99
n
99
ARG
99
A
ALA
100
n
100
ALA
100
A
TRP
101
n
101
TRP
101
A
PRO
102
n
102
PRO
102
A
THR
103
n
103
THR
103
A
PRO
104
n
104
PRO
104
A
ASP
105
n
105
ASP
105
A
GLY
106
n
106
GLY
106
A
ARG
107
n
107
ARG
107
A
HIS
108
n
108
HIS
108
A
ILE
109
n
109
ILE
109
A
ASP
110
n
110
ASP
110
A
GLN
111
n
111
GLN
111
A
ILE
112
n
112
ILE
112
A
THR
113
n
113
THR
113
A
THR
114
n
114
THR
114
A
VAL
115
n
115
VAL
115
A
LEU
116
n
116
LEU
116
A
ASN
117
n
117
ASN
117
A
GLN
118
n
118
GLN
118
A
LEU
119
n
119
LEU
119
A
LYS
120
n
120
LYS
120
A
ASN
121
n
121
ASN
121
A
ASP
122
n
122
ASP
122
A
PRO
123
n
123
PRO
123
A
ASP
124
n
124
ASP
124
A
SER
125
n
125
SER
125
A
ARG
126
n
126
ARG
126
A
ARG
127
n
127
ARG
127
A
ILE
128
n
128
ILE
128
A
ILE
129
n
129
ILE
129
A
VAL
130
n
130
VAL
130
A
SER
131
n
131
SER
131
A
ALA
132
n
132
ALA
132
A
TRP
133
n
133
TRP
133
A
ASN
134
n
134
ASN
134
A
VAL
135
n
135
VAL
135
A
GLY
136
n
136
GLY
136
A
GLU
137
n
137
GLU
137
A
LEU
138
n
138
LEU
138
A
ASP
139
n
139
ASP
139
A
LYS
140
n
140
LYS
140
A
MET
141
n
141
MET
141
A
ALA
142
n
142
ALA
142
A
LEU
143
n
143
LEU
143
A
ALA
144
n
144
ALA
144
A
PRO
145
n
145
PRO
145
A
CYS
146
n
146
CYS
146
A
HIS
147
n
147
HIS
147
A
ALA
148
n
148
ALA
148
A
PHE
149
n
149
PHE
149
A
PHE
150
n
150
PHE
150
A
GLN
151
n
151
GLN
151
A
PHE
152
n
152
PHE
152
A
TYR
153
n
153
TYR
153
A
VAL
154
n
154
VAL
154
A
ALA
155
n
155
ALA
155
A
ASP
156
n
156
ASP
156
A
GLY
157
n
157
GLY
157
A
LYS
158
n
158
LYS
158
A
LEU
159
n
159
LEU
159
A
SER
160
n
160
SER
160
A
CYS
161
n
161
CYS
161
A
GLN
162
n
162
GLN
162
A
LEU
163
n
163
LEU
163
A
TYR
164
n
164
TYR
164
A
GLN
165
n
165
GLN
165
A
GLN
166
n
166
GLN
166
A
SER
167
n
167
SER
167
A
CYS
168
n
168
CYS
168
A
ASP
169
n
169
ASP
169
A
VAL
170
n
170
VAL
170
A
PHE
171
n
171
PHE
171
A
LEU
172
n
172
LEU
172
A
GLY
173
n
173
GLY
173
A
LEU
174
n
174
LEU
174
A
PRO
175
n
175
PRO
175
A
PHE
176
n
176
PHE
176
A
ASN
177
n
177
ASN
177
A
ILE
178
n
178
ILE
178
A
ALA
179
n
179
ALA
179
A
SER
180
n
180
SER
180
A
TYR
181
n
181
TYR
181
A
ALA
182
n
182
ALA
182
A
LEU
183
n
183
LEU
183
A
LEU
184
n
184
LEU
184
A
VAL
185
n
185
VAL
185
A
HIS
186
n
186
HIS
186
A
MET
187
n
187
MET
187
A
MET
188
n
188
MET
188
A
ALA
189
n
189
ALA
189
A
GLN
190
n
190
GLN
190
A
GLN
191
n
191
GLN
191
A
CYS
192
n
192
CYS
192
A
ASP
193
n
193
ASP
193
A
LEU
194
n
194
LEU
194
A
GLU
195
n
195
GLU
195
A
VAL
196
n
196
VAL
196
A
GLY
197
n
197
GLY
197
A
ASP
198
n
198
ASP
198
A
PHE
199
n
199
PHE
199
A
VAL
200
n
200
VAL
200
A
TRP
201
n
201
TRP
201
A
THR
202
n
202
THR
202
A
GLY
203
n
203
GLY
203
A
GLY
204
n
204
GLY
204
A
ASP
205
n
205
ASP
205
A
THR
206
n
206
THR
206
A
HIS
207
n
207
HIS
207
A
LEU
208
n
208
LEU
208
A
TYR
209
n
209
TYR
209
A
SER
210
n
210
SER
210
A
ASN
211
n
211
ASN
211
A
HIS
212
n
212
HIS
212
A
MET
213
n
213
MET
213
A
ASP
214
n
214
ASP
214
A
GLN
215
n
215
GLN
215
A
THR
216
n
216
THR
216
A
HIS
217
n
217
HIS
217
A
LEU
218
n
218
LEU
218
A
GLN
219
n
219
GLN
219
A
LEU
220
n
220
LEU
220
A
SER
221
n
221
SER
221
A
ARG
222
n
222
ARG
222
A
GLU
223
n
223
GLU
223
A
PRO
224
n
224
PRO
224
A
ARG
225
n
225
ARG
225
A
PRO
226
n
226
PRO
226
A
LEU
227
n
227
LEU
227
A
PRO
228
n
228
PRO
228
A
LYS
229
n
229
LYS
229
A
LEU
230
n
230
LEU
230
A
ILE
231
n
231
ILE
231
A
ILE
232
n
232
ILE
232
A
LYS
233
n
233
LYS
233
A
ARG
234
n
234
ARG
234
A
LYS
235
n
235
LYS
235
A
PRO
236
n
236
PRO
236
A
GLU
237
n
237
GLU
237
A
SER
238
n
238
SER
238
A
ILE
239
n
239
ILE
239
A
PHE
240
n
240
PHE
240
A
ASP
241
n
241
ASP
241
A
TYR
242
n
242
TYR
242
A
ARG
243
n
243
ARG
243
A
PHE
244
n
244
PHE
244
A
GLU
245
n
245
GLU
245
A
ASP
246
n
246
ASP
246
A
PHE
247
n
247
PHE
247
A
GLU
248
n
248
GLU
248
A
ILE
249
n
249
ILE
249
A
GLU
250
n
250
GLU
250
A
GLY
251
n
251
GLY
251
A
TYR
252
n
252
TYR
252
A
ASP
253
n
253
ASP
253
A
PRO
254
n
254
PRO
254
A
HIS
255
n
255
HIS
255
A
PRO
256
n
256
PRO
256
A
GLY
257
n
257
GLY
257
A
ILE
258
n
258
ILE
258
A
LYS
259
n
259
LYS
259
A
ALA
260
n
260
ALA
260
A
PRO
261
n
261
PRO
261
A
VAL
262
n
262
VAL
262
A
ALA
263
n
263
ALA
263
A
ILE
264
n
264
ILE
264
A
CXM
301
n
1
CXM
301
B
LYS
302
n
2
LYS
302
B
GLN
303
n
3
GLN
303
B
TYR
304
n
4
TYR
304
B
LEU
305
n
5
LEU
305
B
GLU
306
n
6
GLU
306
B
LEU
307
n
7
LEU
307
B
MET
308
n
8
MET
308
B
GLN
309
n
9
GLN
309
B
LYS
310
n
10
LYS
310
B
VAL
311
n
11
VAL
311
B
LEU
312
n
12
LEU
312
B
ASP
313
n
13
ASP
313
B
GLU
314
n
14
GLU
314
B
GLY
315
n
15
GLY
315
B
THR
316
n
16
THR
316
B
GLN
317
n
17
GLN
317
B
LYS
318
n
18
LYS
318
B
ASN
319
n
19
ASN
319
B
ASP
320
n
20
ASP
320
B
ARG
321
n
21
ARG
321
B
THR
322
n
22
THR
322
B
GLY
323
n
23
GLY
323
B
THR
324
n
24
THR
324
B
GLY
325
n
25
GLY
325
B
THR
326
n
26
THR
326
B
LEU
327
n
27
LEU
327
B
SER
328
n
28
SER
328
B
ILE
329
n
29
ILE
329
B
PHE
330
n
30
PHE
330
B
GLY
331
n
31
GLY
331
B
HIS
332
n
32
HIS
332
B
GLN
333
n
33
GLN
333
B
MET
334
n
34
MET
334
B
ARG
335
n
35
ARG
335
B
PHE
336
n
36
PHE
336
B
ASN
337
n
37
ASN
337
B
LEU
338
n
38
LEU
338
B
GLN
339
n
39
GLN
339
B
ASP
340
n
40
ASP
340
B
GLY
341
n
41
GLY
341
B
PHE
342
n
42
PHE
342
B
PRO
343
n
43
PRO
343
B
LEU
344
n
44
LEU
344
B
VAL
345
n
45
VAL
345
B
THR
346
n
46
THR
346
B
THR
347
n
47
THR
347
B
LYS
348
n
48
LYS
348
B
ARG
349
n
49
ARG
349
B
CYS
350
n
50
CYS
350
B
HIS
351
n
51
HIS
351
B
LEU
352
n
52
LEU
352
B
ARG
353
n
53
ARG
353
B
SER
354
n
54
SER
354
B
ILE
355
n
55
ILE
355
B
ILE
356
n
56
ILE
356
B
HIS
357
n
57
HIS
357
B
GLU
358
n
58
GLU
358
B
LEU
359
n
59
LEU
359
B
LEU
360
n
60
LEU
360
B
TRP
361
n
61
TRP
361
B
PHE
362
n
62
PHE
362
B
LEU
363
n
63
LEU
363
B
GLN
364
n
64
GLN
364
B
GLY
365
n
65
GLY
365
B
ASP
366
n
66
ASP
366
B
THR
367
n
67
THR
367
B
ASN
368
n
68
ASN
368
B
ILE
369
n
69
ILE
369
B
ALA
370
n
70
ALA
370
B
TYR
371
n
71
TYR
371
B
LEU
372
n
72
LEU
372
B
HIS
373
n
73
HIS
373
B
GLU
374
n
74
GLU
374
B
ASN
375
n
75
ASN
375
B
ASN
376
n
76
ASN
376
B
VAL
377
n
77
VAL
377
B
THR
378
n
78
THR
378
B
ILE
379
n
79
ILE
379
B
TRP
380
n
80
TRP
380
B
ASP
381
n
81
ASP
381
B
GLU
382
n
82
GLU
382
B
TRP
383
n
83
TRP
383
B
ALA
384
n
84
ALA
384
B
ASP
385
n
85
ASP
385
B
GLU
386
n
86
GLU
386
B
ASN
387
n
87
ASN
387
B
GLY
388
n
88
GLY
388
B
ASP
389
n
89
ASP
389
B
LEU
390
n
90
LEU
390
B
GLY
391
n
91
GLY
391
B
PRO
392
n
92
PRO
392
B
VAL
393
n
93
VAL
393
B
TYR
394
n
94
TYR
394
B
GLY
395
n
95
GLY
395
B
LYS
396
n
96
LYS
396
B
GLN
397
n
97
GLN
397
B
TRP
398
n
98
TRP
398
B
ARG
399
n
99
ARG
399
B
ALA
400
n
100
ALA
400
B
TRP
401
n
101
TRP
401
B
PRO
402
n
102
PRO
402
B
THR
403
n
103
THR
403
B
PRO
404
n
104
PRO
404
B
ASP
405
n
105
ASP
405
B
GLY
406
n
106
GLY
406
B
ARG
407
n
107
ARG
407
B
HIS
408
n
108
HIS
408
B
ILE
409
n
109
ILE
409
B
ASP
410
n
110
ASP
410
B
GLN
411
n
111
GLN
411
B
ILE
412
n
112
ILE
412
B
THR
413
n
113
THR
413
B
THR
414
n
114
THR
414
B
VAL
415
n
115
VAL
415
B
LEU
416
n
116
LEU
416
B
ASN
417
n
117
ASN
417
B
GLN
418
n
118
GLN
418
B
LEU
419
n
119
LEU
419
B
LYS
420
n
120
LYS
420
B
ASN
421
n
121
ASN
421
B
ASP
422
n
122
ASP
422
B
PRO
423
n
123
PRO
423
B
ASP
424
n
124
ASP
424
B
SER
425
n
125
SER
425
B
ARG
426
n
126
ARG
426
B
ARG
427
n
127
ARG
427
B
ILE
428
n
128
ILE
428
B
ILE
429
n
129
ILE
429
B
VAL
430
n
130
VAL
430
B
SER
431
n
131
SER
431
B
ALA
432
n
132
ALA
432
B
TRP
433
n
133
TRP
433
B
ASN
434
n
134
ASN
434
B
VAL
435
n
135
VAL
435
B
GLY
436
n
136
GLY
436
B
GLU
437
n
137
GLU
437
B
LEU
438
n
138
LEU
438
B
ASP
439
n
139
ASP
439
B
LYS
440
n
140
LYS
440
B
MET
441
n
141
MET
441
B
ALA
442
n
142
ALA
442
B
LEU
443
n
143
LEU
443
B
ALA
444
n
144
ALA
444
B
PRO
445
n
145
PRO
445
B
CYS
446
n
146
CYS
446
B
HIS
447
n
147
HIS
447
B
ALA
448
n
148
ALA
448
B
PHE
449
n
149
PHE
449
B
PHE
450
n
150
PHE
450
B
GLN
451
n
151
GLN
451
B
PHE
452
n
152
PHE
452
B
TYR
453
n
153
TYR
453
B
VAL
454
n
154
VAL
454
B
ALA
455
n
155
ALA
455
B
ASP
456
n
156
ASP
456
B
GLY
457
n
157
GLY
457
B
LYS
458
n
158
LYS
458
B
LEU
459
n
159
LEU
459
B
SER
460
n
160
SER
460
B
CYS
461
n
161
CYS
461
B
GLN
462
n
162
GLN
462
B
LEU
463
n
163
LEU
463
B
TYR
464
n
164
TYR
464
B
GLN
465
n
165
GLN
465
B
GLN
466
n
166
GLN
466
B
SER
467
n
167
SER
467
B
CYS
468
n
168
CYS
468
B
ASP
469
n
169
ASP
469
B
VAL
470
n
170
VAL
470
B
PHE
471
n
171
PHE
471
B
LEU
472
n
172
LEU
472
B
GLY
473
n
173
GLY
473
B
LEU
474
n
174
LEU
474
B
PRO
475
n
175
PRO
475
B
PHE
476
n
176
PHE
476
B
ASN
477
n
177
ASN
477
B
ILE
478
n
178
ILE
478
B
ALA
479
n
179
ALA
479
B
SER
480
n
180
SER
480
B
TYR
481
n
181
TYR
481
B
ALA
482
n
182
ALA
482
B
LEU
483
n
183
LEU
483
B
LEU
484
n
184
LEU
484
B
VAL
485
n
185
VAL
485
B
HIS
486
n
186
HIS
486
B
MET
487
n
187
MET
487
B
MET
488
n
188
MET
488
B
ALA
489
n
189
ALA
489
B
GLN
490
n
190
GLN
490
B
GLN
491
n
191
GLN
491
B
CYS
492
n
192
CYS
492
B
ASP
493
n
193
ASP
493
B
LEU
494
n
194
LEU
494
B
GLU
495
n
195
GLU
495
B
VAL
496
n
196
VAL
496
B
GLY
497
n
197
GLY
497
B
ASP
498
n
198
ASP
498
B
PHE
499
n
199
PHE
499
B
VAL
500
n
200
VAL
500
B
TRP
501
n
201
TRP
501
B
THR
502
n
202
THR
502
B
GLY
503
n
203
GLY
503
B
GLY
504
n
204
GLY
504
B
ASP
505
n
205
ASP
505
B
THR
506
n
206
THR
506
B
HIS
507
n
207
HIS
507
B
LEU
508
n
208
LEU
508
B
TYR
509
n
209
TYR
509
B
SER
510
n
210
SER
510
B
ASN
511
n
211
ASN
511
B
HIS
512
n
212
HIS
512
B
MET
513
n
213
MET
513
B
ASP
514
n
214
ASP
514
B
GLN
515
n
215
GLN
515
B
THR
516
n
216
THR
516
B
HIS
517
n
217
HIS
517
B
LEU
518
n
218
LEU
518
B
GLN
519
n
219
GLN
519
B
LEU
520
n
220
LEU
520
B
SER
521
n
221
SER
521
B
ARG
522
n
222
ARG
522
B
GLU
523
n
223
GLU
523
B
PRO
524
n
224
PRO
524
B
ARG
525
n
225
ARG
525
B
PRO
526
n
226
PRO
526
B
LEU
527
n
227
LEU
527
B
PRO
528
n
228
PRO
528
B
LYS
529
n
229
LYS
529
B
LEU
530
n
230
LEU
530
B
ILE
531
n
231
ILE
531
B
ILE
532
n
232
ILE
532
B
LYS
533
n
233
LYS
533
B
ARG
534
n
234
ARG
534
B
LYS
535
n
235
LYS
535
B
PRO
536
n
236
PRO
536
B
GLU
537
n
237
GLU
537
B
SER
538
n
238
SER
538
B
ILE
539
n
239
ILE
539
B
PHE
540
n
240
PHE
540
B
ASP
541
n
241
ASP
541
B
TYR
542
n
242
TYR
542
B
ARG
543
n
243
ARG
543
B
PHE
544
n
244
PHE
544
B
GLU
545
n
245
GLU
545
B
ASP
546
n
246
ASP
546
B
PHE
547
n
247
PHE
547
B
GLU
548
n
248
GLU
548
B
ILE
549
n
249
ILE
549
B
GLU
550
n
250
GLU
550
B
GLY
551
n
251
GLY
551
B
TYR
552
n
252
TYR
552
B
ASP
553
n
253
ASP
553
B
PRO
554
n
254
PRO
554
B
HIS
555
n
255
HIS
555
B
PRO
556
n
256
PRO
556
B
GLY
557
n
257
GLY
557
B
ILE
558
n
258
ILE
558
B
LYS
559
n
259
LYS
559
B
ALA
560
n
260
ALA
560
B
PRO
561
n
261
PRO
561
B
VAL
562
n
262
VAL
562
B
ALA
563
n
263
ALA
563
B
ILE
564
n
264
ILE
564
B
author_and_software_defined_assembly
PISA
2
dimeric
7170
-65
19710
A
CXM
1
N-CARBOXYMETHIONINE
A
CXM
1
MET
B
CXM
301
N-CARBOXYMETHIONINE
B
CXM
1
MET
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
O
LYS
18
A
O
LYS
18
A
N
THR
26
A
N
THR
26
A
O
PHE
36
A
O
PHE
36
A
N
PHE
199
A
N
PHE
199
A
O
GLU
195
A
O
GLU
195
A
N
LEU
159
A
N
LEU
159
A
N
TYR
164
A
N
TYR
164
A
O
PHE
149
A
O
PHE
149
A
O
PHE
150
A
O
PHE
150
A
N
VAL
130
A
N
VAL
130
A
O
TRP
101
A
O
TRP
101
A
N
ILE
109
A
N
ILE
109
A
N
ILE
231
A
N
ILE
231
A
O
GLU
248
A
O
GLU
248
B
N
LYS
318
B
N
LYS
18
B
O
THR
326
B
O
THR
26
B
O
PHE
336
B
O
PHE
36
B
N
PHE
499
B
N
PHE
199
B
N
GLY
497
B
N
GLY
197
B
O
LEU
459
B
O
LEU
159
B
N
TYR
464
B
N
TYR
164
B
O
PHE
449
B
O
PHE
149
B
O
PHE
450
B
O
PHE
150
B
N
VAL
430
B
N
VAL
130
B
N
TRP
401
B
N
TRP
101
B
O
ILE
409
B
O
ILE
109
B
N
ILE
531
B
N
ILE
231
B
O
GLU
548
B
O
GLU
248
1
A
LYS
48
-173.71
145.51
1
A
PRO
92
-69.51
71.32
1
A
TYR
94
-26.36
-64.87
1
A
ALA
100
-154.53
64.37
1
A
ASP
122
-141.64
52.72
1
B
ILE
369
-66.84
4.61
1
B
TYR
394
-19.70
-72.08
1
B
ALA
400
-152.54
69.84
1
B
LEU
443
-174.55
143.26
1
B
ASP
505
-69.25
99.30
1
B
PRO
528
-69.27
-165.87
PROTEIN_REP.PARAM
PROTEIN.TOP
CBX.PAR
CBX.TOP
WATER_REP.PARAM
WATER.TOP
CB3.PAR
CB3.TOP
ION.PARAM
ION.TOP
28.0
-1.45
-0.25
0.00
-1.45
0.00
2.91
0.225
0.004
0.18
0.18
0.18
2.20
17.95
2493
31445
25280
9.9
79.6
RANDOM
2512983.04
0.00
1
RESTRAINED
THROUGHOUT
3.0
0
Engh & Huber
FLAT MODEL
42.73
0.326
0.29
0.22
5.00
0.26
0.21
2.20
17.95
170
4552
80
0
4302
0.011
1.7
25.4
1.48
0.251
0.015
0.212
2.34
295
2708
6
9.8
57.0
10.7
2.20
18.137
1FWM
31445
31445
0
0
0.09
1
6.7
3.1
99.2
0.38
2.20
2.26
2252
1
2.5
98.5
data collection
MADNESS
data reduction
ROTAVATA
refinement
CNS
data reduction
MADNESS
data scaling
CCP4
(AGROVATA
data scaling
ROTAVATA
phasing
CNS
Crystal structure of the thymidylate synthase R166Q mutant
1
N
N
1
N
N
2
N
N
2
N
N
3
N
N
3
N
N
4
N
N
4
N
N
The biological assembly is a dimer constructed from chains A and B. Both dimers are contained in the assymetric unit in this space group
A
LYS
2
A
LYS
2
HELX_P
A
GLY
15
A
GLY
15
1
1
14
A
HIS
51
A
HIS
51
HELX_P
A
GLN
64
A
GLN
64
1
2
14
A
ILE
69
A
ILE
69
HELX_P
A
ASN
75
A
ASN
75
1
3
7
A
TRP
80
A
TRP
80
HELX_P
A
ALA
84
A
ALA
84
5
4
5
A
VAL
93
A
VAL
93
HELX_P
A
ALA
100
A
ALA
100
1
5
8
A
ASP
110
A
ASP
110
HELX_P
A
ASP
122
A
ASP
122
1
6
13
A
ASN
134
A
ASN
134
HELX_P
A
MET
141
A
MET
141
5
7
8
A
LEU
172
A
LEU
172
HELX_P
A
CYS
192
A
CYS
192
1
8
21
A
HIS
212
A
HIS
212
HELX_P
A
SER
221
A
SER
221
1
9
10
A
ARG
243
A
ARG
243
HELX_P
A
GLU
245
A
GLU
245
5
10
3
B
LYS
302
B
LYS
2
HELX_P
B
GLY
315
B
GLY
15
1
11
14
B
GLN
339
B
GLN
39
HELX_P
B
GLY
341
B
GLY
41
5
12
3
B
HIS
351
B
HIS
51
HELX_P
B
GLN
364
B
GLN
64
1
13
14
B
ILE
369
B
ILE
69
HELX_P
B
ASN
375
B
ASN
75
1
14
7
B
TRP
380
B
TRP
80
HELX_P
B
ALA
384
B
ALA
84
5
15
5
B
VAL
393
B
VAL
93
HELX_P
B
ALA
400
B
ALA
100
1
16
8
B
ASP
410
B
ASP
110
HELX_P
B
ASP
422
B
ASP
122
1
17
13
B
ASN
434
B
ASN
134
HELX_P
B
MET
441
B
MET
141
5
18
8
B
LEU
472
B
LEU
172
HELX_P
B
CYS
492
B
CYS
192
1
19
21
B
HIS
512
B
HIS
212
HELX_P
B
SER
521
B
SER
221
1
20
10
B
ARG
543
B
ARG
243
HELX_P
B
GLU
545
B
GLU
245
5
21
3
covale
1.328
both
A
CXM
1
A
C
CXM
1
1_555
A
LYS
2
A
N
LYS
2
1_555
covale
1.332
both
B
CXM
301
B
C
CXM
1
1_555
B
LYS
302
B
N
LYS
2
1_555
TRANSFERASE
methyltransferase, TRANSFERASE
TYSY_ECOLI
UNP
1
1
P0A884
MKQYLELMQKVLDEGTQKNDRTGTGTLSIFGHQMRFNLQDGFPLVTTKRCHLRSIIHELLWFLQGDTNIAYLHENNVTIW
DEWADENGDLGPVYGKQWRAWPTPDGRHIDQITTVLNQLKNDPDSRRIIVSAWNVGELDKMALAPCHAFFQFYVADGKLS
CQLYQRSCDVFLGLPFNIASYALLVHMMAQQCDLEVGDFVWTGGDTHLYSNHMDQTHLQLSREPRPLPKLIIKRKPESIF
DYRFEDFEIEGYDPHPGIKAPVAI
1
264
1FWM
1
264
P0A884
A
1
1
264
1
264
1FWM
301
564
P0A884
B
1
1
264
1
MET
modified residue
CXM
1
1FWM
A
P0A884
UNP
1
1
1
ARG
engineered mutation
GLN
166
1FWM
A
P0A884
UNP
166
166
2
MET
modified residue
CXM
301
1FWM
B
P0A884
UNP
1
1
2
ARG
engineered mutation
GLN
466
1FWM
B
P0A884
UNP
166
166
6
2
2
6
2
2
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
THR
16
A
THR
16
A
LYS
18
A
LYS
18
A
THR
26
A
THR
26
A
ASN
37
A
ASN
37
A
GLU
195
A
GLU
195
A
TYR
209
A
TYR
209
A
LYS
158
A
LYS
158
A
ASP
169
A
ASP
169
A
PHE
149
A
PHE
149
A
ALA
155
A
ALA
155
A
ILE
129
A
ILE
129
A
SER
131
A
SER
131
A
TRP
101
A
TRP
101
A
PRO
102
A
PRO
102
A
HIS
108
A
HIS
108
A
ILE
109
A
ILE
109
A
LYS
229
A
LYS
229
A
ILE
232
A
ILE
232
A
PHE
247
A
PHE
247
A
GLU
250
A
GLU
250
B
THR
316
B
THR
16
B
LYS
318
B
LYS
18
B
THR
326
B
THR
26
B
ASN
337
B
ASN
37
B
GLU
495
B
GLU
195
B
TYR
509
B
TYR
209
B
LYS
458
B
LYS
158
B
ASP
469
B
ASP
169
B
PHE
449
B
PHE
149
B
ALA
455
B
ALA
155
B
ILE
429
B
ILE
129
B
SER
431
B
SER
131
B
TRP
401
B
TRP
101
B
PRO
402
B
PRO
102
B
HIS
408
B
HIS
108
B
ILE
409
B
ILE
109
B
LYS
529
B
LYS
229
B
ILE
532
B
ILE
232
B
PHE
547
B
PHE
247
B
GLU
550
B
GLU
250
BINDING SITE FOR RESIDUE SO4 A 265
A
SO4
265
Software
6
BINDING SITE FOR RESIDUE SO4 A 565
A
SO4
565
Software
6
BINDING SITE FOR RESIDUE CB3 A 266
A
CB3
266
Software
17
BINDING SITE FOR RESIDUE CB3 B 566
B
CB3
566
Software
15
A
ARG
21
A
ARG
21
6
1_555
A
SER
167
A
SER
167
6
1_555
A
CB3
266
E
CB3
6
1_555
A
HOH
641
G
HOH
6
1_555
B
ARG
426
B
ARG
126
6
1_555
B
ARG
427
B
ARG
127
6
1_555
A
ARG
126
A
ARG
126
6
1_555
A
ARG
127
A
ARG
127
6
1_555
A
HOH
616
G
HOH
6
1_555
B
ARG
321
B
ARG
21
6
1_555
B
SER
467
B
SER
167
6
1_555
B
CB3
566
F
CB3
6
1_555
A
GLU
58
A
GLU
58
17
1_555
A
ILE
79
A
ILE
79
17
1_555
A
TRP
80
A
TRP
80
17
1_555
A
TRP
83
A
TRP
83
17
1_555
A
TYR
94
A
TYR
94
17
1_555
A
LEU
143
A
LEU
143
17
1_555
A
ALA
144
A
ALA
144
17
1_555
A
CYS
146
A
CYS
146
17
1_555
A
PHE
176
A
PHE
176
17
1_555
A
ASN
177
A
ASN
177
17
1_555
A
LYS
259
A
LYS
259
17
1_555
A
VAL
262
A
VAL
262
17
1_555
A
SO4
265
C
SO4
17
1_555
A
HOH
635
G
HOH
17
1_555
A
HOH
639
G
HOH
17
1_555
A
HOH
692
G
HOH
17
1_555
A
HOH
732
G
HOH
17
1_555
A
SO4
565
D
SO4
15
1_555
B
HIS
351
B
HIS
51
15
1_555
B
ILE
379
B
ILE
79
15
1_555
B
TRP
380
B
TRP
80
15
1_555
B
TRP
383
B
TRP
83
15
1_555
B
TYR
394
B
TYR
94
15
1_555
B
LEU
443
B
LEU
143
15
1_555
B
ALA
444
B
ALA
144
15
1_555
B
CYS
446
B
CYS
146
15
1_555
B
GLY
473
B
GLY
173
15
1_555
B
PHE
476
B
PHE
176
15
1_555
B
ASN
477
B
ASN
177
15
1_555
B
HOH
620
H
HOH
15
1_555
B
HOH
640
H
HOH
15
1_555
B
HOH
753
H
HOH
15
1_555
173
P 63