BACTERIOCHLOROPHYLL A
non-polymer
HETAIN
C55 H74 Mg N4 O6
0
1999-07-08
2008-11-03
Y
REL
911.504
BCL
N
Corina
N
4BCL
RCSB
MG
MG
2
0
N
N
N
41.707
47.680
22.121
41.707
47.680
22.121
MG1
BCL
1
CHA
C
0
1
N
N
N
38.575
48.897
22.425
38.575
48.897
22.425
C1
BCL
2
CHB
C
0
1
N
N
N
42.547
50.559
20.576
42.547
50.559
20.576
C2
BCL
3
CHC
C
0
1
N
N
N
44.968
47.023
22.877
44.968
47.023
22.877
C3
BCL
4
CHD
C
0
1
N
N
N
40.832
45.174
24.432
40.832
45.174
24.432
C4
BCL
5
NA
N
0
1
N
N
N
40.684
49.374
21.459
40.684
49.374
21.459
N1
BCL
6
C1A
C
0
1
N
N
N
39.344
49.683
21.640
39.344
49.683
21.640
C5
BCL
7
C2A
C
0
1
N
N
S
38.995
51.096
21.157
38.995
51.096
21.157
C6
BCL
8
C3A
C
0
1
N
N
S
40.214
51.397
20.201
40.214
51.397
20.201
C7
BCL
9
C4A
C
0
1
N
N
N
41.197
50.400
20.779
41.197
50.400
20.779
C8
BCL
10
CMA
C
0
1
N
N
N
39.891
50.869
18.799
39.891
50.869
18.799
C9
BCL
11
CAA
C
0
1
N
N
N
38.821
52.038
22.331
38.821
52.038
22.331
C10
BCL
12
CBA
C
0
1
N
N
N
40.075
52.291
23.124
40.075
52.291
23.124
C11
BCL
13
CGA
C
0
1
N
N
N
39.808
53.348
24.186
39.808
53.348
24.186
C12
BCL
14
O1A
O
0
1
N
N
N
38.921
54.061
24.226
38.921
54.061
24.226
O1
BCL
15
O2A
O
0
1
N
N
N
40.689
53.503
25.048
40.689
53.503
25.048
O2
BCL
16
NB
N
-1
1
Y
N
N
43.434
48.539
21.744
43.434
48.539
21.744
N2
BCL
17
C1B
C
0
1
Y
N
N
43.563
49.733
21.089
43.563
49.733
21.089
C13
BCL
18
C2B
C
0
1
Y
N
N
44.903
50.042
21.015
44.903
50.042
21.015
C14
BCL
19
C3B
C
0
1
Y
N
N
45.602
49.064
21.609
45.602
49.064
21.609
C15
BCL
20
C4B
C
0
1
Y
N
N
44.681
48.126
22.137
44.681
48.126
22.137
C16
BCL
21
CMB
C
0
1
N
N
N
45.415
51.190
20.192
45.415
51.190
20.192
C17
BCL
22
CAB
C
0
1
N
N
N
47.100
49.137
21.895
47.100
49.137
21.895
C18
BCL
23
OBB
O
0
1
N
N
N
47.641
48.355
22.585
47.641
48.355
22.585
O3
BCL
24
CBB
C
0
1
N
N
N
48.031
50.021
21.111
48.031
50.021
21.111
C19
BCL
25
NC
N
0
1
N
N
N
42.646
46.268
23.293
42.646
46.268
23.293
N3
BCL
26
C1C
C
0
1
N
N
N
43.992
46.205
23.465
43.992
46.205
23.465
C20
BCL
27
C2C
C
0
1
N
N
R
44.410
45.044
24.336
44.410
45.044
24.336
C21
BCL
28
C3C
C
0
1
N
N
R
43.166
44.254
24.546
43.166
44.254
24.546
C22
BCL
29
C4C
C
0
1
N
N
N
42.149
45.334
24.158
42.149
45.334
24.158
C23
BCL
30
CMC
C
0
1
N
N
N
45.287
44.103
23.541
45.287
44.103
23.541
C24
BCL
31
CAC
C
0
1
N
N
N
43.178
44.010
26.059
43.178
44.010
26.059
C25
BCL
32
CBC
C
0
1
N
N
N
42.917
45.263
26.909
42.917
45.263
26.909
C26
BCL
33
ND
N
-1
1
Y
N
N
40.166
47.108
23.164
40.166
47.108
23.164
N4
BCL
34
C1D
C
0
1
Y
N
N
39.876
46.122
24.089
39.876
46.122
24.089
C27
BCL
35
C2D
C
0
1
Y
N
N
38.509
46.010
24.394
38.509
46.010
24.394
C28
BCL
36
C3D
C
0
1
Y
N
N
37.978
47.011
23.690
37.978
47.011
23.690
C29
BCL
37
C4D
C
0
1
Y
N
N
38.992
47.684
23.013
38.992
47.684
23.013
C30
BCL
38
CMD
C
0
1
N
N
N
37.802
44.889
25.099
37.802
44.889
25.099
C31
BCL
39
CAD
C
0
1
N
N
N
36.731
47.838
23.628
36.731
47.838
23.628
C32
BCL
40
OBD
O
0
1
N
N
N
35.496
47.526
23.900
35.496
47.526
23.900
O4
BCL
41
CBD
C
0
1
N
N
R
37.099
49.129
22.796
37.099
49.129
22.796
C33
BCL
42
CGD
C
0
1
N
N
N
36.223
49.030
21.522
36.223
49.030
21.522
C34
BCL
43
O1D
O
0
1
N
N
N
35.972
48.085
21.001
35.972
48.085
21.001
O5
BCL
44
O2D
O
0
1
N
N
N
35.881
50.068
20.906
35.881
50.068
20.906
O6
BCL
45
CED
C
0
1
N
N
N
35.647
49.778
19.424
35.647
49.778
19.424
C35
BCL
46
C1
C
0
1
N
N
N
40.458
54.391
26.198
40.458
54.391
26.198
C36
BCL
47
C2
C
0
1
N
N
N
40.550
53.651
27.525
40.550
53.651
27.525
C37
BCL
48
C3
C
0
1
N
N
N
41.638
53.614
28.270
41.638
53.614
28.270
C38
BCL
49
C4
C
0
1
N
N
N
42.917
54.259
27.830
42.917
54.259
27.830
C39
BCL
50
C5
C
0
1
N
N
N
41.720
52.859
29.618
41.720
52.859
29.618
C40
BCL
51
C6
C
0
1
N
N
N
41.016
51.487
29.492
41.016
51.487
29.492
C41
BCL
52
C7
C
0
1
N
N
N
40.742
51.034
30.929
40.742
51.034
30.929
C42
BCL
53
C8
C
0
1
N
N
R
40.642
49.541
31.084
40.642
49.541
31.084
C43
BCL
54
C9
C
0
1
N
N
N
41.139
48.768
29.863
41.139
48.768
29.863
C44
BCL
55
C10
C
0
1
N
N
N
39.177
49.291
31.263
39.177
49.291
31.263
C45
BCL
56
C11
C
0
1
N
N
N
38.978
49.007
32.703
38.978
49.007
32.703
C46
BCL
57
C12
C
0
1
N
N
N
37.477
49.127
32.881
37.477
49.127
32.881
C47
BCL
58
C13
C
0
1
N
N
R
37.203
49.277
34.381
37.203
49.277
34.381
C48
BCL
59
C14
C
0
1
N
N
N
37.582
47.952
35.048
37.582
47.952
35.048
C49
BCL
60
C15
C
0
1
N
N
N
35.746
49.588
34.636
35.746
49.588
34.636
C50
BCL
61
C16
C
0
1
N
N
N
35.513
50.923
33.995
35.513
50.923
33.995
C51
BCL
62
C17
C
0
1
N
N
N
34.173
51.431
34.475
34.173
51.431
34.475
C52
BCL
63
C18
C
0
1
N
N
N
34.070
52.954
34.420
34.070
52.954
34.420
C53
BCL
64
C19
C
0
1
N
N
N
33.035
53.320
35.451
33.035
53.320
35.451
C54
BCL
65
C20
C
0
1
N
N
N
33.515
53.424
33.060
33.515
53.424
33.060
C55
BCL
66
HHB
H
0
1
N
N
N
42.856
51.395
19.966
42.856
51.395
19.966
H1
BCL
67
HHC
H
0
1
N
N
N
46.006
46.761
23.020
46.006
46.762
23.021
H2
BCL
68
HHD
H
0
1
N
N
N
40.513
44.274
24.937
40.513
44.274
24.937
H3
BCL
69
H2A
H
0
1
N
N
N
38.035
51.214
20.632
38.035
51.214
20.632
H4
BCL
70
H3A
H
0
1
N
N
N
40.510
52.454
20.137
40.510
52.454
20.137
H5
BCL
71
HMA1
H
0
0
N
N
N
39.814
51.713
18.098
39.814
51.713
18.098
H6
BCL
72
HMA2
H
0
0
N
N
N
40.692
50.191
18.469
40.692
50.191
18.469
H7
BCL
73
HMA3
H
0
0
N
N
N
38.936
50.324
18.824
38.936
50.324
18.824
H8
BCL
74
HAA1
H
0
0
N
N
N
38.472
53.004
21.938
38.472
53.004
21.938
H9
BCL
75
HAA2
H
0
0
N
N
N
38.107
51.557
23.016
38.107
51.557
23.016
H10
BCL
76
HBA1
H
0
0
N
N
N
40.394
51.357
23.611
40.394
51.357
23.611
H11
BCL
77
HBA2
H
0
0
N
N
N
40.867
52.646
22.448
40.867
52.646
22.448
H12
BCL
78
HMB1
H
0
0
N
N
N
45.540
52.075
20.834
45.540
52.075
20.834
H13
BCL
79
HMB2
H
0
0
N
N
N
46.384
50.919
19.748
46.384
50.919
19.748
H14
BCL
80
HMB3
H
0
0
N
N
N
44.695
51.417
19.392
44.695
51.417
19.392
H15
BCL
81
HBB1
H
0
0
N
N
N
47.590
50.237
20.126
47.590
50.237
20.126
H16
BCL
82
HBB2
H
0
0
N
N
N
48.188
50.963
21.657
48.188
50.963
21.657
H17
BCL
83
HBB3
H
0
0
N
N
N
48.995
49.509
20.977
48.995
49.509
20.976
H18
BCL
84
H2C
H
0
1
N
N
N
44.913
45.407
25.244
44.913
45.407
25.244
H19
BCL
85
H3C
H
0
1
N
N
N
43.006
43.301
24.021
43.006
43.301
24.021
H20
BCL
86
HMC1
H
0
0
N
N
N
45.500
44.544
22.556
45.500
44.544
22.556
H21
BCL
87
HMC2
H
0
0
N
N
N
46.231
43.938
24.081
46.231
43.938
24.081
H22
BCL
88
HMC3
H
0
0
N
N
N
44.768
43.142
23.408
44.768
43.143
23.408
H23
BCL
89
HAC1
H
0
0
N
N
N
42.390
43.278
26.288
42.390
43.278
26.288
H24
BCL
90
HAC2
H
0
0
N
N
N
44.189
43.661
26.314
44.189
43.661
26.314
H25
BCL
91
HBC1
H
0
0
N
N
N
42.855
44.980
27.970
42.855
44.980
27.970
H26
BCL
92
HBC2
H
0
0
N
N
N
43.740
45.979
26.768
43.740
45.979
26.768
H27
BCL
93
HBC3
H
0
0
N
N
N
41.969
45.727
26.597
41.970
45.727
26.597
H28
BCL
94
HMD1
H
0
0
N
N
N
37.629
44.063
24.394
37.629
44.063
24.394
H29
BCL
95
HMD2
H
0
0
N
N
N
38.422
44.533
25.935
38.422
44.533
25.935
H30
BCL
96
HMD3
H
0
0
N
N
N
36.837
45.250
25.485
36.837
45.250
25.485
H31
BCL
97
HBD
H
0
1
N
N
N
36.949
50.096
23.299
36.949
50.096
23.299
H32
BCL
98
HED1
H
0
0
N
N
N
35.591
50.726
18.869
35.591
50.726
18.869
H33
BCL
99
HED2
H
0
0
N
N
N
36.478
49.173
19.033
36.479
49.173
19.033
H34
BCL
100
HED3
H
0
0
N
N
N
34.703
49.226
19.303
34.703
49.226
19.303
H35
BCL
101
H11
H
0
1
N
N
N
41.220
55.185
26.186
41.220
55.185
26.186
H36
BCL
102
H12
H
0
1
N
N
N
39.442
54.802
26.109
39.442
54.802
26.109
H37
BCL
103
H2
H
0
1
N
N
N
39.674
53.126
27.877
39.674
53.126
27.877
H38
BCL
104
H41
H
0
1
N
N
N
42.893
54.417
26.742
42.893
54.417
26.742
H39
BCL
105
H42
H
0
1
N
N
N
43.033
55.227
28.339
43.033
55.228
28.338
H40
BCL
106
H43
H
0
1
N
N
N
43.764
53.606
28.087
43.764
53.606
28.087
H41
BCL
107
H51
H
0
1
N
N
N
42.776
52.704
29.886
42.776
52.704
29.886
H42
BCL
108
H52
H
0
1
N
N
N
41.223
53.453
30.399
41.223
53.453
30.399
H43
BCL
109
H61
H
0
1
N
N
N
40.078
51.580
28.926
40.077
51.580
28.926
H44
BCL
110
H62
H
0
1
N
N
N
41.637
50.760
28.948
41.637
50.760
28.948
H45
BCL
111
H71
H
0
1
N
N
N
41.569
51.388
31.562
41.569
51.388
31.562
H46
BCL
112
H72
H
0
1
N
N
N
39.769
51.456
31.221
39.769
51.456
31.221
H47
BCL
113
H8
H
0
1
N
N
N
41.269
49.199
31.920
41.270
49.199
31.920
H48
BCL
114
H91
H
0
1
N
N
N
41.258
49.458
29.015
41.258
49.458
29.015
H49
BCL
115
H92
H
0
1
N
N
N
42.108
48.301
30.094
42.108
48.301
30.094
H50
BCL
116
H93
H
0
1
N
N
N
40.409
47.988
29.601
40.409
47.988
29.601
H51
BCL
117
H101
H
0
0
N
N
N
38.595
50.173
30.959
38.595
50.173
30.959
H52
BCL
118
H102
H
0
0
N
N
N
38.837
48.451
30.640
38.837
48.451
30.640
H53
BCL
119
H111
H
0
0
N
N
N
39.337
48.002
32.970
39.337
48.002
32.970
H54
BCL
120
H112
H
0
0
N
N
N
39.541
49.691
33.355
39.541
49.691
33.355
H55
BCL
121
H121
H
0
0
N
N
N
37.100
50.006
32.337
37.100
50.006
32.337
H56
BCL
122
H122
H
0
0
N
N
N
36.968
48.238
32.482
36.968
48.238
32.482
H57
BCL
123
H13
H
0
1
N
N
N
37.793
50.109
34.792
37.793
50.109
34.792
H58
BCL
124
H141
H
0
0
N
N
N
37.673
47.168
34.282
37.673
47.168
34.282
H59
BCL
125
H142
H
0
0
N
N
N
38.543
48.067
35.571
38.543
48.067
35.571
H60
BCL
126
H143
H
0
0
N
N
N
36.802
47.669
35.771
36.802
47.669
35.771
H61
BCL
127
H151
H
0
0
N
N
N
35.096
48.820
34.192
35.096
48.820
34.192
H62
BCL
128
H152
H
0
0
N
N
N
35.512
49.603
35.711
35.512
49.603
35.711
H63
BCL
129
H161
H
0
0
N
N
N
36.309
51.625
34.283
36.309
51.625
34.283
H64
BCL
130
H162
H
0
0
N
N
N
35.521
50.832
32.899
35.521
50.832
32.899
H65
BCL
131
H171
H
0
0
N
N
N
33.389
51.005
33.832
33.389
51.005
33.832
H66
BCL
132
H172
H
0
0
N
N
N
34.054
51.124
35.525
34.054
51.124
35.525
H67
BCL
133
H18
H
0
1
N
N
N
35.059
53.408
34.583
35.059
53.408
34.583
H68
BCL
134
H191
H
0
0
N
N
N
33.514
53.409
36.437
33.514
53.409
36.437
H69
BCL
135
H192
H
0
0
N
N
N
32.572
54.280
35.180
32.572
54.280
35.180
H70
BCL
136
H193
H
0
0
N
N
N
32.263
52.538
35.489
32.263
52.538
35.489
H71
BCL
137
H201
H
0
0
N
N
N
32.423
53.536
33.128
32.423
53.536
33.128
H72
BCL
138
H202
H
0
0
N
N
N
33.967
54.391
32.794
33.967
54.391
32.794
H73
BCL
139
H203
H
0
0
N
N
N
33.760
52.680
32.288
33.760
52.680
32.288
H74
BCL
140
sing
N
N
1
sing
N
N
2
sing
N
N
3
sing
N
N
4
sing
N
N
5
doub
N
N
6
sing
N
N
7
doub
N
N
8
sing
N
N
9
sing
N
N
10
sing
N
N
11
doub
N
N
12
sing
N
N
13
sing
N
N
14
doub
N
N
15
sing
N
N
16
doub
N
N
17
sing
N
N
18
sing
N
N
19
sing
N
N
20
sing
N
N
21
sing
N
N
22
sing
N
N
23
sing
N
N
24
sing
N
N
25
sing
N
N
26
sing
N
N
27
sing
N
N
28
sing
N
N
29
sing
N
N
30
sing
N
N
31
sing
N
N
32
sing
N
N
33
sing
N
N
34
doub
N
N
35
sing
N
N
36
sing
N
N
37
sing
Y
N
38
sing
Y
N
39
doub
Y
N
40
sing
Y
N
41
sing
N
N
42
doub
Y
N
43
sing
N
N
44
sing
N
N
45
sing
N
N
46
sing
N
N
47
doub
N
N
48
sing
N
N
49
sing
N
N
50
sing
N
N
51
sing
N
N
52
sing
N
N
53
doub
N
N
54
sing
N
N
55
sing
N
N
56
sing
N
N
57
sing
N
N
58
sing
N
N
59
sing
N
N
60
sing
N
N
61
sing
N
N
62
sing
N
N
63
sing
N
N
64
sing
N
N
65
sing
N
N
66
sing
N
N
67
sing
N
N
68
sing
N
N
69
sing
N
N
70
sing
Y
N
71
sing
Y
N
72
sing
Y
N
73
doub
Y
N
74
sing
N
N
75
sing
Y
N
76
sing
N
N
77
sing
N
N
78
sing
N
N
79
sing
N
N
80
doub
N
N
81
sing
N
N
82
sing
N
N
83
sing
N
N
84
doub
N
N
85
sing
N
N
86
sing
N
N
87
sing
N
N
88
sing
N
N
89
sing
N
N
90
sing
N
N
91
sing
N
N
92
sing
N
N
93
doub
N
E
94
sing
N
N
95
sing
N
N
96
sing
N
N
97
sing
N
N
98
sing
N
N
99
sing
N
N
100
sing
N
N
101
sing
N
N
102
sing
N
N
103
sing
N
N
104
sing
N
N
105
sing
N
N
106
sing
N
N
107
sing
N
N
108
sing
N
N
109
sing
N
N
110
sing
N
N
111
sing
N
N
112
sing
N
N
113
sing
N
N
114
sing
N
N
115
sing
N
N
116
sing
N
N
117
sing
N
N
118
sing
N
N
119
sing
N
N
120
sing
N
N
121
sing
N
N
122
sing
N
N
123
sing
N
N
124
sing
N
N
125
sing
N
N
126
sing
N
N
127
sing
N
N
128
sing
N
N
129
sing
N
N
130
sing
N
N
131
sing
N
N
132
sing
N
N
133
sing
N
N
134
sing
N
N
135
sing
N
N
136
sing
N
N
137
sing
N
N
138
sing
N
N
139
sing
N
N
140
sing
N
N
141
sing
N
N
142
sing
N
N
143
sing
N
N
144
sing
N
N
145
sing
N
N
146
sing
N
N
147
sing
N
N
148
InChI=1/C55H75N4O6.Mg/c1-13-39-34(7)41-29-46-48(38(11)60)36(9)43(57-46)27-42-35(8)40(52(58-42)50-51(55(63)64-12)54(62)49-37(10)44(59-53(49)50)28-45(39)56-41)23-24-47(61)65-26-25-33(6)22-16-21-32(5)20-15-19-31(4)18-14-17-30(2)3;/h25,27-32,34-35,39-40,51H,13-24,26H2,1-12H3,(H-,56,57,58,59,60,62);/q-1;+2/p-1/b33-25+;/t31-,32-,34-,35+,39-,40+,51-;/m1./s1/fC55H74N4O6.Mg/q-2;m/b33-25+,41-29-,42-27-,43-27-,44-28-,45-28-,46-29-,52-50-;/rC55H74MgN4O6/c1-13-39-34(7)41-29-46-48(38(11)61)36(9)43-27-42-35(8)40(23-24-47(62)66-26-25-33(6)22-16-21-32(5)20-15-19-31(4)18-14-17-30(2)3)52-50-51(55(64)65-12)54(63)49-37(10)44-28-45(39)57(41)56(58(43)46,59(42)52)60(44)53(49)50/h25,27-32,34-35,39-40,51H,13-24,26H2,1-12H3/b33-25+/t31-,32-,34-,35+,39-,40+,51-/m1/s1
DSJXIQQMORJERS-RUUWGSCADZ
[Mg++]|1|2|3|[n-]4c5C=C6N|1=C([C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@@H]6C)C7=c8[n-]|2c(=CC9=N|3C(=Cc4c(C(C)=O)c5C)[C@H](C)[C@H]9CC)c(C)c8C(=O)[C@@H]7C(=O)OC
[Mg++]|1|2|3|[n-]4c5C=C6N|1=C([CH](CCC(=O)OCC=C(C)CCC[CH](C)CCC[CH](C)CCCC(C)C)[CH]6C)C7=c8[n-]|2c(=CC9=N|3C(=Cc4c(C(C)=O)c5C)[CH](C)[CH]9CC)c(C)c8C(=O)[CH]7C(=O)OC
CC[C@@H]1[C@H](C2=CC3=C(C(=C4[N-]3[Mg@+2]56[N]2=C1C=C7[N-]5C8=C([C@H](C(=O)C8=C7C)C(=O)OC)C9=[N]6C(=C4)[C@H]([C@@H]9CCC(=O)OC\C=C(/C)\CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C)C)C(=O)C)C
CCC1C(C2=CC3=C(C(=C4[N-]3[Mg+2]56[N]2=C1C=C7[N-]5C8=C(C(C(=O)C8=C7C)C(=O)OC)C9=[N]6C(=C4)C(C9CCC(=O)OCC=C(C)CCCC(C)CCCC(C)CCCC(C)C)C)C)C(=O)C)C