eF-site ID 4pbu-a
PDB Code 4pbu
Chain a

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Title Serial Time-resolved crystallography of Photosystem II using a femtosecond X-ray laser The S1 state
Classification PHOTOSYNTHESIS
Compound Photosystem Q(B) protein 1
Source ORGANISM_SCIENTIFIC: Thermosynechococcus elongatus;
Sequence a:  ANLWERFCNWVTSTDNRLYVGWFGVIMIPTLLAATICFVI
AFIAAPPVDIDGIREPVSGSLLYGNNIITGAVVPSSNAIG
LHFYPIWEAASLDEWLYNGGPYQLIIFHFLLGASCYMGRQ
WELSYRLGMRPWICVAYSAPLASAFAVFLIYPIGQGSFSD
GMPLGISGTFNFMIVFQAEHNILMHPFHQLGVAGVFGGAL
FCAMHGSLVTSSLIRETTETESANYGYKFGQEEETYNIVA
AHGYFGRLIFQYASFNNSRSLHFFLAAWPVVGVWFAALGI
STMAFNLNGFNFNHSVIDAKGNVINTWADIINRANLGMEV
MHERNAHNFPLDLA
Description


Functional site

1) chain a
residue 61
type
sequence D
description binding site for residue OEX a 401
source : AK5

2) chain a
residue 170
type
sequence D
description binding site for residue OEX a 401
source : AK5

3) chain a
residue 185
type
sequence V
description binding site for residue OEX a 401
source : AK5

4) chain a
residue 189
type
sequence E
description binding site for residue OEX a 401
source : AK5

5) chain a
residue 332
type
sequence H
description binding site for residue OEX a 401
source : AK5

6) chain a
residue 333
type
sequence E
description binding site for residue OEX a 401
source : AK5

7) chain a
residue 337
type
sequence H
description binding site for residue OEX a 401
source : AK5

8) chain a
residue 342
type
sequence D
description binding site for residue OEX a 401
source : AK5

9) chain a
residue 344
type
sequence A
description binding site for residue OEX a 401
source : AK5

10) chain a
residue 20
type
sequence W
description binding site for residue SQD a 402
source : AK6

11) chain a
residue 26
type
sequence N
description binding site for residue SQD a 402
source : AK6

12) chain a
residue 27
type
sequence R
description binding site for residue SQD a 402
source : AK6

13) chain a
residue 28
type
sequence L
description binding site for residue SQD a 402
source : AK6

14) chain a
residue 42
type
sequence L
description binding site for residue SQD a 402
source : AK6

15) chain a
residue 45
type
sequence T
description binding site for residue SQD a 402
source : AK6

16) chain a
residue 215
type
sequence H
description binding site for residue FE2 a 403
source : AK7

17) chain a
residue 272
type
sequence H
description binding site for residue FE2 a 403
source : AK7

18) chain a
residue 181
type
sequence N
description binding site for residue CL a 404
source : AK8

19) chain a
residue 332
type
sequence H
description binding site for residue CL a 404
source : AK8

20) chain a
residue 333
type
sequence E
description binding site for residue CL a 404
source : AK8

21) chain a
residue 337
type
sequence H
description binding site for residue CL a 405
source : AK9

22) chain a
residue 338
type
sequence N
description binding site for residue CL a 405
source : AK9

23) chain a
residue 339
type
sequence F
description binding site for residue CL a 405
source : AK9

24) chain a
residue 147
type
sequence Y
description binding site for residue CLA a 406
source : AL1

25) chain a
residue 150
type
sequence P
description binding site for residue CLA a 406
source : AL1

26) chain a
residue 153
type
sequence S
description binding site for residue CLA a 406
source : AL1

27) chain a
residue 157
type
sequence V
description binding site for residue CLA a 406
source : AL1

28) chain a
residue 183
type
sequence M
description binding site for residue CLA a 406
source : AL1

29) chain a
residue 186
type
sequence F
description binding site for residue CLA a 406
source : AL1

30) chain a
residue 187
type
sequence Q
description binding site for residue CLA a 406
source : AL1

31) chain a
residue 198
type
sequence H
description binding site for residue CLA a 406
source : AL1

32) chain a
residue 201
type
sequence G
description binding site for residue CLA a 406
source : AL1

33) chain a
residue 206
type
sequence F
description binding site for residue CLA a 406
source : AL1

34) chain a
residue 286
type
sequence A
description binding site for residue CLA a 406
source : AL1

35) chain a
residue 287
type
sequence A
description binding site for residue CLA a 406
source : AL1

36) chain a
residue 290
type
sequence I
description binding site for residue CLA a 406
source : AL1

37) chain a
residue 199
type
sequence Q
description binding site for residue CLA a 407
source : AL2

38) chain a
residue 202
type
sequence V
description binding site for residue CLA a 407
source : AL2

39) chain a
residue 203
type
sequence A
description binding site for residue CLA a 407
source : AL2

40) chain a
residue 206
type
sequence F
description binding site for residue CLA a 407
source : AL2

41) chain a
residue 207
type
sequence G
description binding site for residue CLA a 407
source : AL2

42) chain a
residue 210
type
sequence L
description binding site for residue CLA a 407
source : AL2

43) chain a
residue 278
type
sequence W
description binding site for residue CLA a 407
source : AL2

44) chain a
residue 36
type
sequence I
description binding site for residue CLA a 408
source : AL3

45) chain a
residue 40
type
sequence T
description binding site for residue CLA a 408
source : AL3

46) chain a
residue 93
type
sequence F
description binding site for residue CLA a 408
source : AL3

47) chain a
residue 95
type
sequence P
description binding site for residue CLA a 408
source : AL3

48) chain a
residue 96
type
sequence I
description binding site for residue CLA a 408
source : AL3

49) chain a
residue 97
type
sequence W
description binding site for residue CLA a 408
source : AL3

50) chain a
residue 113
type
sequence Q
description binding site for residue CLA a 408
source : AL3

51) chain a
residue 114
type
sequence L
description binding site for residue CLA a 408
source : AL3

52) chain a
residue 118
type
sequence H
description binding site for residue CLA a 408
source : AL3

53) chain a
residue 121
type
sequence L
description binding site for residue CLA a 408
source : AL3

54) chain a
residue 43
type
sequence A
description binding site for residue BCR a 409
source : AL4

55) chain a
residue 50
type
sequence I
description binding site for residue BCR a 409
source : AL4

56) chain a
residue 96
type
sequence I
description binding site for residue BCR a 409
source : AL4

57) chain a
residue 211
type
sequence F
description binding site for residue PL9 a 410
source : AL5

58) chain a
residue 214
type
sequence M
description binding site for residue PL9 a 410
source : AL5

59) chain a
residue 215
type
sequence H
description binding site for residue PL9 a 410
source : AL5

60) chain a
residue 218
type
sequence L
description binding site for residue PL9 a 410
source : AL5

61) chain a
residue 252
type
sequence H
description binding site for residue PL9 a 410
source : AL5

62) chain a
residue 255
type
sequence F
description binding site for residue PL9 a 410
source : AL5

63) chain a
residue 263
type
sequence A
description binding site for residue PL9 a 410
source : AL5

64) chain a
residue 264
type
sequence S
description binding site for residue PL9 a 410
source : AL5

65) chain a
residue 265
type
sequence F
description binding site for residue PL9 a 410
source : AL5

66) chain a
residue 271
type
sequence L
description binding site for residue PL9 a 410
source : AL5

67) chain a
residue 274
type
sequence F
description binding site for residue PL9 a 410
source : AL5

68) chain a
residue 200
type
sequence L
description binding site for residue SQD a 411
source : AL6

69) chain a
residue 204
type
sequence G
description binding site for residue SQD a 411
source : AL6

70) chain a
residue 265
type
sequence F
description binding site for residue SQD a 411
source : AL6

71) chain a
residue 267
type
sequence N
description binding site for residue SQD a 411
source : AL6

72) chain a
residue 270
type
sequence S
description binding site for residue SQD a 411
source : AL6

73) chain a
residue 273
type
sequence F
description binding site for residue SQD a 411
source : AL6

74) chain a
residue 278
type
sequence W
description binding site for residue SQD a 411
source : AL6

75) chain a
residue 206
type
sequence F
description binding site for residue PHO a 412
source : AL7

76) chain a
residue 209
type
sequence A
description binding site for residue PHO a 412
source : AL7

77) chain a
residue 210
type
sequence L
description binding site for residue PHO a 412
source : AL7

78) chain a
residue 214
type
sequence M
description binding site for residue PHO a 412
source : AL7

79) chain a
residue 258
type
sequence L
description binding site for residue LHG a 413
source : AL8

80) chain a
residue 259
type
sequence I
description binding site for residue LHG a 413
source : AL8

81) chain a
residue 260
type
sequence F
description binding site for residue LHG a 413
source : AL8

82) chain a
residue 262
type
sequence Y
description binding site for residue LHG a 413
source : AL8

83) chain a
residue 215
type
sequence H
description binding site for residue BCT a 414
source : AL9

84) chain a
residue 244
type
sequence E
description binding site for residue BCT a 414
source : AL9

85) chain a
residue 272
type
sequence H
description binding site for residue BCT a 414
source : AL9

86) chain a
residue 232
type
sequence S
description binding site for residue LHG b 620
source : AO2

87) chain a
residue 234
type
sequence N
description binding site for residue LHG b 620
source : AO2

88) chain a
residue 33
type
sequence F
description binding site for residue CLA c 906
source : AO8

89) chain a
residue 121
type
sequence L
description binding site for residue CLA c 906
source : AO8

90) chain a
residue 124
type
sequence S
description binding site for residue CLA c 906
source : AO8

91) chain a
residue 125
type
sequence C
description binding site for residue CLA c 906
source : AO8

92) chain a
residue 127
type
sequence M
description binding site for residue CLA c 906
source : AO8

93) chain a
residue 128
type
sequence G
description binding site for residue CLA c 906
source : AO8

94) chain a
residue 131
type
sequence W
description binding site for residue CLA c 906
source : AO8

95) chain a
residue 91
type
sequence L
description binding site for residue DGD c 916
source : AP9

96) chain a
residue 148
type
sequence S
description binding site for residue DGD c 916
source : AP9

97) chain a
residue 155
type
sequence F
description binding site for residue DGD c 916
source : AP9

98) chain a
residue 163
type
sequence I
description binding site for residue DGD c 916
source : AP9

99) chain a
residue 197
type
sequence F
description binding site for residue DGD c 917
source : AQ1

100) chain a
residue 157
type
sequence V
description binding site for residue CLA d 401
source : AQ3

101) chain a
residue 172
type
sequence M
description binding site for residue CLA d 401
source : AQ3

102) chain a
residue 176
type
sequence I
description binding site for residue CLA d 401
source : AQ3

103) chain a
residue 179
type
sequence T
description binding site for residue CLA d 401
source : AQ3

104) chain a
residue 180
type
sequence F
description binding site for residue CLA d 401
source : AQ3

105) chain a
residue 183
type
sequence M
description binding site for residue CLA d 401
source : AQ3

106) chain a
residue 41
type
sequence L
description binding site for residue PHO d 402
source : AQ4

107) chain a
residue 44
type
sequence A
description binding site for residue PHO d 402
source : AQ4

108) chain a
residue 45
type
sequence T
description binding site for residue PHO d 402
source : AQ4

109) chain a
residue 48
type
sequence F
description binding site for residue PHO d 402
source : AQ4

110) chain a
residue 126
type
sequence Y
description binding site for residue PHO d 402
source : AQ4

111) chain a
residue 130
type
sequence Q
description binding site for residue PHO d 402
source : AQ4

112) chain a
residue 146
type
sequence A
description binding site for residue PHO d 402
source : AQ4

113) chain a
residue 147
type
sequence Y
description binding site for residue PHO d 402
source : AQ4

114) chain a
residue 150
type
sequence P
description binding site for residue PHO d 402
source : AQ4

115) chain a
residue 279
type
sequence P
description binding site for residue PHO d 402
source : AQ4

116) chain a
residue 183
type
sequence M
description binding site for residue CLA d 403
source : AQ5

117) chain a
residue 206
type
sequence F
description binding site for residue CLA d 403
source : AQ5

118) chain a
residue 52
type
sequence F
description binding site for residue PL9 d 405
source : AQ7

119) chain a
residue 53
type
sequence I
description binding site for residue PL9 d 405
source : AQ7

120) chain a
residue 232
type
sequence S
description binding site for residue LHG d 408
source : AR1

121) chain a
residue 234
type
sequence N
description binding site for residue LHG d 408
source : AR1

122) chain a
residue 37
type
sequence M
description binding site for residue LHG d 409
source : AR2

123) chain a
residue 140
type
sequence R
description binding site for residue LHG d 410
source : AR3

124) chain a
residue 142
type
sequence W
description binding site for residue LHG d 410
source : AR3

125) chain a
residue 273
type
sequence F
description binding site for residue LHG d 410
source : AR3

126) chain a
residue 284
type
sequence W
description binding site for residue LHG d 410
source : AR3

127) chain a
residue 285
type
sequence F
description binding site for residue LHG d 410
source : AR3

128) chain a
residue 199
type
sequence Q
description binding site for residue DGD j 101
source : AR9

129) chain a
residue 200
type
sequence L
description binding site for residue DGD j 101
source : AR9

130) chain a
residue 300
type
sequence F
description binding site for residue DGD j 101
source : AR9

131) chain a
residue 301
type
sequence N
description binding site for residue DGD j 101
source : AR9

132) chain a
residue 302
type
sequence F
description binding site for residue DGD j 101
source : AR9

133) chain a
residue 305
type
sequence S
description binding site for residue DGD j 101
source : AR9

134) chain a
residue 344
type BINDING
sequence A
description BINDING => ECO:0000255|HAMAP-Rule:MF_01379, ECO:0000269|PubMed:19219048, ECO:0000303|PubMed:14764885, ECO:0000303|PubMed:16355230, ECO:0000303|PubMed:20558739, ECO:0000303|PubMed:21367867, ECO:0000303|PubMed:23413188, ECO:0000303|PubMed:25043005
source Swiss-Prot : SWS_FT_FI11

135) chain a
residue 161
type SITE
sequence Y
description Tyrosine radical intermediate => ECO:0000255|HAMAP-Rule:MF_01379, ECO:0000303|PubMed:11217865, ECO:0000303|PubMed:14764885, ECO:0000303|PubMed:19219048, ECO:0000303|PubMed:21367867, ECO:0000303|DOI:10.1039/B406989G
source Swiss-Prot : SWS_FT_FI12

136) chain a
residue 190
type SITE
sequence H
description Stabilizes free radical intermediate => ECO:0000255|HAMAP-Rule:MF_01379
source Swiss-Prot : SWS_FT_FI13

137) chain a
residue 344
type SITE
sequence A
description Cleavage; by CtpA => ECO:0000255|HAMAP-Rule:MF_01379
source Swiss-Prot : SWS_FT_FI14

138) chain a
residue 118
type TOPO_DOM
sequence H
description Lumenal => ECO:0000269|PubMed:33846594, ECO:0007744|PDB:7NHQ
source Swiss-Prot : SWS_FT_FI4

139) chain a
residue 198
type TOPO_DOM
sequence H
description Lumenal => ECO:0000269|PubMed:33846594, ECO:0007744|PDB:7NHQ
source Swiss-Prot : SWS_FT_FI4

140) chain a
residue 126
type MOD_RES
sequence Y
description N-formylmethionine => ECO:0000269|PubMed:19219048, ECO:0000269|PubMed:20558739
source Swiss-Prot : SWS_FT_FI5

141) chain a
residue 215
type MOD_RES
sequence H
description N-formylmethionine => ECO:0000269|PubMed:19219048, ECO:0000269|PubMed:20558739
source Swiss-Prot : SWS_FT_FI5

142) chain a
residue 272
type MOD_RES
sequence H
description N-formylmethionine => ECO:0000269|PubMed:19219048, ECO:0000269|PubMed:20558739
source Swiss-Prot : SWS_FT_FI5

143) chain a
residue 170
type BINDING
sequence D
description BINDING => ECO:0000255|HAMAP-Rule:MF_01383, ECO:0000269|PubMed:16355230, ECO:0000269|PubMed:19219048, ECO:0000303|PubMed:14764885, ECO:0000303|PubMed:20558739, ECO:0000303|PubMed:21367867, ECO:0000303|PubMed:22665786, ECO:0000303|PubMed:23413188, ECO:0000303|PubMed:25043005, ECO:0000303|DOI:10.1039/B406989G
source Swiss-Prot : SWS_FT_FI8

144) chain a
residue 189
type BINDING
sequence E
description BINDING => ECO:0000255|HAMAP-Rule:MF_01383, ECO:0000269|PubMed:16355230, ECO:0000269|PubMed:19219048, ECO:0000303|PubMed:14764885, ECO:0000303|PubMed:20558739, ECO:0000303|PubMed:21367867, ECO:0000303|PubMed:22665786, ECO:0000303|PubMed:23413188, ECO:0000303|PubMed:25043005, ECO:0000303|DOI:10.1039/B406989G
source Swiss-Prot : SWS_FT_FI8

145) chain a
residue 332
type BINDING
sequence H
description BINDING => ECO:0000255|HAMAP-Rule:MF_01383, ECO:0000269|PubMed:16355230, ECO:0000269|PubMed:19219048, ECO:0000303|PubMed:14764885, ECO:0000303|PubMed:20558739, ECO:0000303|PubMed:21367867, ECO:0000303|PubMed:22665786, ECO:0000303|PubMed:23413188, ECO:0000303|PubMed:25043005, ECO:0000303|DOI:10.1039/B406989G
source Swiss-Prot : SWS_FT_FI8

146) chain a
residue 333
type BINDING
sequence E
description BINDING => ECO:0000255|HAMAP-Rule:MF_01383, ECO:0000269|PubMed:16355230, ECO:0000269|PubMed:19219048, ECO:0000303|PubMed:14764885, ECO:0000303|PubMed:20558739, ECO:0000303|PubMed:21367867, ECO:0000303|PubMed:22665786, ECO:0000303|PubMed:23413188, ECO:0000303|PubMed:25043005, ECO:0000303|DOI:10.1039/B406989G
source Swiss-Prot : SWS_FT_FI8


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