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

click to enlarge
Title RT fs X-ray diffraction of Photosystem II, first illuminated state
Classification PHOTOSYNTHESIS
Compound Photosystem Q(B) protein 1
Source ORGANISM_SCIENTIFIC: Thermosynechococcus elongatus;
Sequence a:  SANLWERFCNWVTSTDNRLYVGWFGVIMIPTLLAATICFV
IAFIAAPPVDIDGIREPVSGSLLYGNNIITGAVVPSSNAI
GLHFYPIWEAASLDEWLYNGGPYQLIIFHFLLGASCYMGR
QWELSYRLGMRPWICVAYSAPLASAFAVFLIYPIGQGSFS
DGMPLGISGTFNFMIVFQAEHNILMHPFHQLGVAGVFGGA
LFCAMHGSLVTSSLIRETTETESANYGYKFGQEEETYNIV
AAHGYFGRLIFQYASFNNSRSLHFFLAAWPVVGVWFTALG
ISTMAFNLNGFNFNHSVIDAKGNVINTWADIINRANLGME
VMHERNAHNFPLDLA
Description


Functional site

1) chain a
residue 46
type
sequence I
description BINDING SITE FOR RESIDUE DGD B 627
source : EC9

2) chain a
residue 100
type
sequence A
description BINDING SITE FOR RESIDUE LMT B 629
source : FC2

3) chain a
residue 20
type
sequence W
description BINDING SITE FOR RESIDUE SQD a 401
source : KC5

4) chain a
residue 26
type
sequence N
description BINDING SITE FOR RESIDUE SQD a 401
source : KC5

5) chain a
residue 27
type
sequence R
description BINDING SITE FOR RESIDUE SQD a 401
source : KC5

6) chain a
residue 28
type
sequence L
description BINDING SITE FOR RESIDUE SQD a 401
source : KC5

7) chain a
residue 41
type
sequence L
description BINDING SITE FOR RESIDUE SQD a 401
source : KC5

8) chain a
residue 72
type
sequence L
description BINDING SITE FOR RESIDUE LMG a 402
source : KC6

9) chain a
residue 73
type
sequence Y
description BINDING SITE FOR RESIDUE LMG a 402
source : KC6

10) chain a
residue 102
type
sequence L
description BINDING SITE FOR RESIDUE LMG a 402
source : KC6

11) chain a
residue 103
type
sequence D
description BINDING SITE FOR RESIDUE LMG a 402
source : KC6

12) chain a
residue 215
type
sequence H
description BINDING SITE FOR RESIDUE FE2 a 403
source : KC7

13) chain a
residue 272
type
sequence H
description BINDING SITE FOR RESIDUE FE2 a 403
source : KC7

14) chain a
residue 119
type
sequence F
description BINDING SITE FOR RESIDUE CLA a 404
source : KC8

15) chain a
residue 147
type
sequence Y
description BINDING SITE FOR RESIDUE CLA a 404
source : KC8

16) chain a
residue 150
type
sequence P
description BINDING SITE FOR RESIDUE CLA a 404
source : KC8

17) chain a
residue 153
type
sequence S
description BINDING SITE FOR RESIDUE CLA a 404
source : KC8

18) chain a
residue 157
type
sequence V
description BINDING SITE FOR RESIDUE CLA a 404
source : KC8

19) chain a
residue 183
type
sequence M
description BINDING SITE FOR RESIDUE CLA a 404
source : KC8

20) chain a
residue 184
type
sequence I
description BINDING SITE FOR RESIDUE CLA a 404
source : KC8

21) chain a
residue 186
type
sequence F
description BINDING SITE FOR RESIDUE CLA a 404
source : KC8

22) chain a
residue 187
type
sequence Q
description BINDING SITE FOR RESIDUE CLA a 404
source : KC8

23) chain a
residue 193
type
sequence L
description BINDING SITE FOR RESIDUE CLA a 404
source : KC8

24) chain a
residue 198
type
sequence H
description BINDING SITE FOR RESIDUE CLA a 404
source : KC8

25) chain a
residue 201
type
sequence G
description BINDING SITE FOR RESIDUE CLA a 404
source : KC8

26) chain a
residue 205
type
sequence V
description BINDING SITE FOR RESIDUE CLA a 404
source : KC8

27) chain a
residue 206
type
sequence F
description BINDING SITE FOR RESIDUE CLA a 404
source : KC8

28) chain a
residue 283
type
sequence V
description BINDING SITE FOR RESIDUE CLA a 404
source : KC8

29) chain a
residue 286
type
sequence T
description BINDING SITE FOR RESIDUE CLA a 404
source : KC8

30) chain a
residue 290
type
sequence I
description BINDING SITE FOR RESIDUE CLA a 404
source : KC8

31) chain a
residue 45
type
sequence T
description BINDING SITE FOR RESIDUE CLA a 405
source : KC9

32) chain a
residue 157
type
sequence V
description BINDING SITE FOR RESIDUE CLA a 405
source : KC9

33) chain a
residue 158
type
sequence F
description BINDING SITE FOR RESIDUE CLA a 405
source : KC9

34) chain a
residue 172
type
sequence M
description BINDING SITE FOR RESIDUE CLA a 405
source : KC9

35) chain a
residue 176
type
sequence I
description BINDING SITE FOR RESIDUE CLA a 405
source : KC9

36) chain a
residue 179
type
sequence T
description BINDING SITE FOR RESIDUE CLA a 405
source : KC9

37) chain a
residue 180
type
sequence F
description BINDING SITE FOR RESIDUE CLA a 405
source : KC9

38) chain a
residue 183
type
sequence M
description BINDING SITE FOR RESIDUE CLA a 405
source : KC9

39) chain a
residue 199
type
sequence Q
description BINDING SITE FOR RESIDUE CLA a 406
source : LC1

40) chain a
residue 202
type
sequence V
description BINDING SITE FOR RESIDUE CLA a 406
source : LC1

41) chain a
residue 203
type
sequence A
description BINDING SITE FOR RESIDUE CLA a 406
source : LC1

42) chain a
residue 278
type
sequence W
description BINDING SITE FOR RESIDUE CLA a 406
source : LC1

43) chain a
residue 41
type
sequence L
description BINDING SITE FOR RESIDUE PHO a 407
source : LC2

44) chain a
residue 44
type
sequence A
description BINDING SITE FOR RESIDUE PHO a 407
source : LC2

45) chain a
residue 45
type
sequence T
description BINDING SITE FOR RESIDUE PHO a 407
source : LC2

46) chain a
residue 115
type
sequence I
description BINDING SITE FOR RESIDUE PHO a 407
source : LC2

47) chain a
residue 126
type
sequence Y
description BINDING SITE FOR RESIDUE PHO a 407
source : LC2

48) chain a
residue 130
type
sequence Q
description BINDING SITE FOR RESIDUE PHO a 407
source : LC2

49) chain a
residue 146
type
sequence A
description BINDING SITE FOR RESIDUE PHO a 407
source : LC2

50) chain a
residue 147
type
sequence Y
description BINDING SITE FOR RESIDUE PHO a 407
source : LC2

51) chain a
residue 150
type
sequence P
description BINDING SITE FOR RESIDUE PHO a 407
source : LC2

52) chain a
residue 174
type
sequence L
description BINDING SITE FOR RESIDUE PHO a 407
source : LC2

53) chain a
residue 283
type
sequence V
description BINDING SITE FOR RESIDUE PHO a 407
source : LC2

54) chain a
residue 206
type
sequence F
description BINDING SITE FOR RESIDUE PHO a 408
source : LC3

55) chain a
residue 209
type
sequence A
description BINDING SITE FOR RESIDUE PHO a 408
source : LC3

56) chain a
residue 210
type
sequence L
description BINDING SITE FOR RESIDUE PHO a 408
source : LC3

57) chain a
residue 214
type
sequence M
description BINDING SITE FOR RESIDUE PHO a 408
source : LC3

58) chain a
residue 258
type
sequence L
description BINDING SITE FOR RESIDUE PHO a 408
source : LC3

59) chain a
residue 36
type
sequence I
description BINDING SITE FOR RESIDUE CLA a 409
source : LC4

60) chain a
residue 40
type
sequence T
description BINDING SITE FOR RESIDUE CLA a 409
source : LC4

61) chain a
residue 93
type
sequence F
description BINDING SITE FOR RESIDUE CLA a 409
source : LC4

62) chain a
residue 95
type
sequence P
description BINDING SITE FOR RESIDUE CLA a 409
source : LC4

63) chain a
residue 96
type
sequence I
description BINDING SITE FOR RESIDUE CLA a 409
source : LC4

64) chain a
residue 97
type
sequence W
description BINDING SITE FOR RESIDUE CLA a 409
source : LC4

65) chain a
residue 114
type
sequence L
description BINDING SITE FOR RESIDUE CLA a 409
source : LC4

66) chain a
residue 118
type
sequence H
description BINDING SITE FOR RESIDUE CLA a 409
source : LC4

67) chain a
residue 215
type
sequence H
description BINDING SITE FOR RESIDUE PL9 a 410
source : LC5

68) chain a
residue 218
type
sequence L
description BINDING SITE FOR RESIDUE PL9 a 410
source : LC5

69) chain a
residue 252
type
sequence H
description BINDING SITE FOR RESIDUE PL9 a 410
source : LC5

70) chain a
residue 255
type
sequence F
description BINDING SITE FOR RESIDUE PL9 a 410
source : LC5

71) chain a
residue 264
type
sequence S
description BINDING SITE FOR RESIDUE PL9 a 410
source : LC5

72) chain a
residue 265
type
sequence F
description BINDING SITE FOR RESIDUE PL9 a 410
source : LC5

73) chain a
residue 271
type
sequence L
description BINDING SITE FOR RESIDUE PL9 a 410
source : LC5

74) chain a
residue 274
type
sequence F
description BINDING SITE FOR RESIDUE PL9 a 410
source : LC5

75) chain a
residue 170
type
sequence D
description BINDING SITE FOR RESIDUE OEC a 411
source : LC6

76) chain a
residue 189
type
sequence E
description BINDING SITE FOR RESIDUE OEC a 411
source : LC6

77) chain a
residue 332
type
sequence H
description BINDING SITE FOR RESIDUE OEC a 411
source : LC6

78) chain a
residue 333
type
sequence E
description BINDING SITE FOR RESIDUE OEC a 411
source : LC6

79) chain a
residue 342
type
sequence D
description BINDING SITE FOR RESIDUE OEC a 411
source : LC6

80) chain a
residue 344
type
sequence A
description BINDING SITE FOR RESIDUE OEC a 411
source : LC6

81) chain a
residue 35
type
sequence V
description BINDING SITE FOR RESIDUE BCR a 412
source : LC7

82) chain a
residue 38
type
sequence I
description BINDING SITE FOR RESIDUE BCR a 412
source : LC7

83) chain a
residue 42
type
sequence L
description BINDING SITE FOR RESIDUE BCR a 412
source : LC7

84) chain a
residue 43
type
sequence A
description BINDING SITE FOR RESIDUE BCR a 412
source : LC7

85) chain a
residue 106
type
sequence L
description BINDING SITE FOR RESIDUE BCR a 412
source : LC7

86) chain a
residue 93
type
sequence F
description BINDING SITE FOR RESIDUE DGD a 413
source : LC8

87) chain a
residue 97
type
sequence W
description BINDING SITE FOR RESIDUE DGD a 413
source : LC8

88) chain a
residue 98
type
sequence E
description BINDING SITE FOR RESIDUE DGD a 413
source : LC8

89) chain a
residue 140
type
sequence R
description BINDING SITE FOR RESIDUE LHG a 414
source : LC9

90) chain a
residue 142
type
sequence W
description BINDING SITE FOR RESIDUE LHG a 414
source : LC9

91) chain a
residue 145
type
sequence V
description BINDING SITE FOR RESIDUE LHG a 414
source : LC9

92) chain a
residue 273
type
sequence F
description BINDING SITE FOR RESIDUE LHG a 414
source : LC9

93) chain a
residue 267
type
sequence N
description BINDING SITE FOR RESIDUE SQD a 415
source : MC1

94) chain a
residue 270
type
sequence S
description BINDING SITE FOR RESIDUE SQD a 415
source : MC1

95) chain a
residue 273
type
sequence F
description BINDING SITE FOR RESIDUE SQD a 415
source : MC1

96) chain a
residue 274
type
sequence F
description BINDING SITE FOR RESIDUE SQD a 415
source : MC1

97) chain a
residue 232
type
sequence S
description BINDING SITE FOR RESIDUE LMG a 416
source : MC2

98) chain a
residue 234
type
sequence N
description BINDING SITE FOR RESIDUE LMG a 416
source : MC2

99) chain a
residue 262
type
sequence Y
description BINDING SITE FOR RESIDUE LHG a 417
source : MC3

100) chain a
residue 264
type
sequence S
description BINDING SITE FOR RESIDUE LHG a 417
source : MC3

101) chain a
residue 266
type
sequence N
description BINDING SITE FOR RESIDUE LHG a 417
source : MC3

102) chain a
residue 181
type
sequence N
description BINDING SITE FOR RESIDUE CL a 418
source : MC4

103) chain a
residue 333
type
sequence E
description BINDING SITE FOR RESIDUE CL a 418
source : MC4

104) chain a
residue 234
type
sequence N
description BINDING SITE FOR RESIDUE LMG b 624
source : PC1

105) chain a
residue 285
type
sequence F
description BINDING SITE FOR RESIDUE CLA c 504
source : PC8

106) chain a
residue 33
type
sequence F
description BINDING SITE FOR RESIDUE CLA c 505
source : PC9

107) chain a
residue 127
type
sequence M
description BINDING SITE FOR RESIDUE CLA c 505
source : PC9

108) chain a
residue 128
type
sequence G
description BINDING SITE FOR RESIDUE CLA c 505
source : PC9

109) chain a
residue 131
type
sequence W
description BINDING SITE FOR RESIDUE CLA c 505
source : PC9

110) chain a
residue 163
type
sequence I
description BINDING SITE FOR RESIDUE DGD c 516
source : RC2

111) chain a
residue 197
type
sequence F
description BINDING SITE FOR RESIDUE DGD c 517
source : RC3

112) chain a
residue 292
type
sequence T
description BINDING SITE FOR RESIDUE DGD c 517
source : RC3

113) chain a
residue 200
type
sequence L
description BINDING SITE FOR RESIDUE DGD c 518
source : RC4

114) chain a
residue 278
type
sequence W
description BINDING SITE FOR RESIDUE DGD c 518
source : RC4

115) chain a
residue 300
type
sequence F
description BINDING SITE FOR RESIDUE DGD c 518
source : RC4

116) chain a
residue 301
type
sequence N
description BINDING SITE FOR RESIDUE DGD c 518
source : RC4

117) chain a
residue 305
type
sequence S
description BINDING SITE FOR RESIDUE DGD c 518
source : RC4

118) chain a
residue 215
type
sequence H
description BINDING SITE FOR RESIDUE BCT d 401
source : RC6

119) chain a
residue 244
type
sequence E
description BINDING SITE FOR RESIDUE BCT d 401
source : RC6

120) chain a
residue 246
type
sequence Y
description BINDING SITE FOR RESIDUE BCT d 401
source : RC6

121) chain a
residue 272
type
sequence H
description BINDING SITE FOR RESIDUE BCT d 401
source : RC6

122) chain a
residue 206
type
sequence F
description BINDING SITE FOR RESIDUE CLA d 402
source : RC7

123) chain a
residue 77
type
sequence I
description BINDING SITE FOR RESIDUE PL9 d 404
source : RC9

124) chain a
residue 262
type
sequence Y
description BINDING SITE FOR RESIDUE LMG e 101
source : SC7

125) 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

126) 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

127) 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

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

129) 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

130) 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

131) 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

132) 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

133) 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

134) 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

135) 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

136) 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

137) 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


Display surface

Download
Links