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2UX5

X-ray high resolution structure of the photosynthetic reaction center from Rb. sphaeroides at pH 9 in the charge-separated state

Functional Information from GO Data
ChainGOidnamespacecontents
H0019684biological_processphotosynthesis, light reaction
H0030077cellular_componentplasma membrane light-harvesting complex
H0042717cellular_componentplasma membrane-derived chromatophore membrane
L0009772biological_processphotosynthetic electron transport in photosystem II
L0019684biological_processphotosynthesis, light reaction
L0030077cellular_componentplasma membrane light-harvesting complex
L0042717cellular_componentplasma membrane-derived chromatophore membrane
M0009772biological_processphotosynthetic electron transport in photosystem II
M0019684biological_processphotosynthesis, light reaction
M0030077cellular_componentplasma membrane light-harvesting complex
M0042717cellular_componentplasma membrane-derived chromatophore membrane
Functional Information from PDB Data
site_idAC1
Number of Residues15
DetailsBINDING SITE FOR RESIDUE BCL M 1304
ChainResidue
LHIS168
MLEU183
MTHR186
MBCL1305
MLDA1312
MBPH1314
MSPO1316
LMET174
LILE177
LSER178
LTHR182
LHOH2081
MMET122
MILE179
MHIS182

site_idAC2
Number of Residues21
DetailsBINDING SITE FOR RESIDUE BCL M 1305
ChainResidue
LVAL157
LTYR162
LBCL1287
MMET122
MALA153
MLEU156
MTRP157
MLEU160
MTHR186
MASN187
MSER190
MLEU196
MPHE197
MHIS202
MSER205
MILE206
MVAL276
MGLY280
MILE284
MBCL1304
MBPH1314

site_idAC3
Number of Residues14
DetailsBINDING SITE FOR RESIDUE BCL L 1282
ChainResidue
LTYR128
LPHE146
LHIS153
LLEU154
LBPH1285
LBCL1287
LHOH2112
MPHE197
MGLY203
MILE206
MALA207
MTYR210
MLEU214
MLDA1306

site_idAC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE LDA M 1306
ChainResidue
LBCL1282
MPRO200
MGLY203
MLEU204
MPHE208
MLDA1308
MGOL1318
MHOH2121

site_idAC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE LDA M 1307
ChainResidue
MPHE7
MTRP41
MPHE42

site_idAC6
Number of Residues7
DetailsBINDING SITE FOR RESIDUE LDA M 1308
ChainResidue
HGLN32
HTYR40
MARG253
MPHE258
MLDA1306
MLDA1309
MU101315

site_idAC7
Number of Residues2
DetailsBINDING SITE FOR RESIDUE LDA M 1309
ChainResidue
MPHE258
MLDA1308

site_idAC8
Number of Residues2
DetailsBINDING SITE FOR RESIDUE LDA L 1283
ChainResidue
LTYR148
LILE150

site_idAC9
Number of Residues7
DetailsBINDING SITE FOR RESIDUE LDA M 1310
ChainResidue
LVAL220
LGLY221
LUQ21286
MVAL32
MGLY33
MLDA1311
MHOH2122

site_idBC1
Number of Residues1
DetailsBINDING SITE FOR RESIDUE LDA M 1311
ChainResidue
MLDA1310

site_idBC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE LDA M 1312
ChainResidue
LSER178
MBCL1304

site_idBC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE LDA L 1284
ChainResidue
LPHE179
LUQ21286
LHOH2113

site_idBC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE FE M 1313
ChainResidue
LHIS190
LHIS230
MHIS219
MGLU234
MHIS266

site_idBC5
Number of Residues15
DetailsBINDING SITE FOR RESIDUE BPH M 1314
ChainResidue
MALA149
MPHE150
MALA153
MTHR277
MBCL1304
MBCL1305
LPHE181
LLEU185
LLEU189
LLEU219
MGLY63
MALA125
MVAL126
MTRP129
MTHR146

site_idBC6
Number of Residues19
DetailsBINDING SITE FOR RESIDUE BPH L 1285
ChainResidue
LALA93
LALA96
LPHE97
LTRP100
LGLU104
LILE117
LALA120
LPHE121
LALA124
LTYR148
LGLY149
LVAL241
LBCL1282
LBCL1287
MTYR210
MALA213
MLEU214
MTRP252
MMET256

site_idBC7
Number of Residues17
DetailsBINDING SITE FOR RESIDUE U10 M 1315
ChainResidue
LPHE29
LGLY35
LTRP100
LARG103
MMET218
MHIS219
MTHR222
MALA248
MALA249
MTRP252
MMET256
MPHE258
MASN259
MALA260
MILE265
MTRP268
MLDA1308

site_idBC8
Number of Residues15
DetailsBINDING SITE FOR RESIDUE UQ2 L 1286
ChainResidue
LLEU189
LHIS190
LLEU193
LASP213
LPHE216
LTYR222
LSER223
LILE224
LGLY225
LTHR226
LILE229
LLDA1284
MLEU47
MLDA1310
MHOH2100

site_idBC9
Number of Residues19
DetailsBINDING SITE FOR RESIDUE BCL L 1287
ChainResidue
LPHE97
LALA124
LILE125
LLEU131
LVAL157
LTYR162
LASN166
LHIS168
LHIS173
LALA176
LILE177
LPHE180
LSER244
LCYS247
LMET248
LBCL1282
LBPH1285
MTYR210
MBCL1305

site_idCC1
Number of Residues14
DetailsBINDING SITE FOR RESIDUE SPO M 1316
ChainResidue
MPHE67
MILE70
MGLY71
MTRP75
MSER119
MTRP157
MLEU160
MGLY161
MPHE162
MTRP171
MVAL175
MTYR177
MHIS182
MBCL1304

site_idCC2
Number of Residues14
DetailsBINDING SITE FOR RESIDUE CDL M 1317
ChainResidue
HILE22
HPHE23
HTYR30
HGOL1252
HHOH2003
LASN199
MGLY143
MLYS144
MHIS145
MTRP148
MARG267
MTRP271
MHOH2123
MHOH2124

site_idCC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE PO4 L 1288
ChainResidue
HHIS126
HHOH2107
LGLU72
LTYR73
LLYS82
MTHR21

site_idCC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE HTO L 1289
ChainResidue
LGLN87
LTHR90
LTRP142
LHOH2115

site_idCC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL H 1252
ChainResidue
HGLU34
HLYS62
HHOH2003
LASN199
LGOL1290
MARG267
MCDL1317

site_idCC6
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL L 1290
ChainResidue
HLYS62
HTHR63
HPHE64
HGOL1252
LALA198
LASN199
LPRO200
LHOH2085

site_idCC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL L 1291
ChainResidue
LGLY77
LALA78
LLEU80
LGLN87

site_idCC8
Number of Residues1
DetailsBINDING SITE FOR RESIDUE GOL M 1318
ChainResidue
MLDA1306

site_idCC9
Number of Residues1
DetailsBINDING SITE FOR RESIDUE GOL H 1253
ChainResidue
HALA25

Functional Information from PROSITE/UniProt
site_idPS00244
Number of Residues27
DetailsREACTION_CENTER Photosynthetic reaction center proteins signature. NlfynPfHglSiaflygsallfAmHGA
ChainResidueDetails
MASN195-ALA221
LASN166-ALA192

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues278
DetailsTransmembrane: {"description":"Helical"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues58
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"source":"PubMed","id":"1645718","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues87
DetailsTopological domain: {"description":"Periplasmic","evidences":[{"source":"PubMed","id":"1645718","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsBinding site: {"description":"axial binding residue"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues7
DetailsBinding site: {}
ChainResidueDetails

259351

PDB entries from 2026-09-09

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