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3I4D

Photosynthetic reaction center from rhodobacter sphaeroides 2.4.1

Functional Information from GO Data
ChainGOidnamespacecontents
H0015979biological_processphotosynthesis
H0016168molecular_functionchlorophyll binding
H0019684biological_processphotosynthesis, light reaction
H0030077cellular_componentplasma membrane light-harvesting complex
H0042314molecular_functionbacteriochlorophyll binding
H0042717cellular_componentplasma membrane-derived chromatophore membrane
L0009772biological_processphotosynthetic electron transport in photosystem II
L0015979biological_processphotosynthesis
L0016168molecular_functionchlorophyll binding
L0019684biological_processphotosynthesis, light reaction
L0030077cellular_componentplasma membrane light-harvesting complex
L0042314molecular_functionbacteriochlorophyll binding
L0042717cellular_componentplasma membrane-derived chromatophore membrane
L0046872molecular_functionmetal ion binding
M0009772biological_processphotosynthetic electron transport in photosystem II
M0015979biological_processphotosynthesis
M0016168molecular_functionchlorophyll binding
M0019684biological_processphotosynthesis, light reaction
M0030077cellular_componentplasma membrane light-harvesting complex
M0042314molecular_functionbacteriochlorophyll binding
M0042717cellular_componentplasma membrane-derived chromatophore membrane
M0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues19
DetailsBINDING SITE FOR RESIDUE BPH L 402
ChainResidue
LPHE97
LGLY149
LHIS153
LVAL241
LBCL602
LBCL604
MTYR210
MALA213
MLEU214
MTRP252
MMET256
LTRP100
LGLU104
LILE117
LALA120
LPHE121
LPHE123
LALA124
LTYR148

site_idAC2
Number of Residues24
DetailsBINDING SITE FOR RESIDUE U10 L 502
ChainResidue
LSER178
LPHE179
LTHR182
LHIS190
LLEU193
LVAL194
LGLU212
LASP213
LPHE216
LTYR222
LSER223
LILE224
LGLY225
LTHR226
LILE229
LUQ1503
LLDA919
LLDA920
MPHE67
MLEU86
MPHE90
MBPH401
MSPO600
MBCL601

site_idAC3
Number of Residues8
DetailsBINDING SITE FOR RESIDUE UQ1 L 503
ChainResidue
LTRP263
LTRP266
LU10502
LHOH552
LHOH553
LLDA920
MLEU89
MPHE90

site_idAC4
Number of Residues21
DetailsBINDING SITE FOR RESIDUE BCL L 602
ChainResidue
LALA124
LALA127
LLEU131
LTRP156
LVAL157
LTHR160
LTYR162
LASN166
LPHE167
LHIS168
LHIS173
LALA176
LILE177
LSER244
LCYS247
LMET248
LBPH402
LBCL604
MTYR210
MBCL601
MBCL603

site_idAC5
Number of Residues16
DetailsBINDING SITE FOR RESIDUE BCL L 604
ChainResidue
LTYR128
LPHE146
LILE150
LHIS153
LLEU154
LHOH289
LBPH402
LBCL602
MPHE197
MGLY203
MILE206
MALA207
MTYR210
MLEU214
MU10501
MLDA903

site_idAC6
Number of Residues8
DetailsBINDING SITE FOR RESIDUE PO4 L 703
ChainResidue
HHIS126
LGLU72
LTYR73
LLYS82
LHOH339
LGOL730
MTHR21
MHOH332

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE PO4 L 705
ChainResidue
LTRP25
LHOH333
LHOH381
HGLU94
HPHE96
LPHE24

site_idAC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PO4 L 706
ChainResidue
LTYR162
LGLY165
LASN166
MASN187
MGOL726

site_idAC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE PO4 L 708
ChainResidue
HTHR48
HGOL729
LMET139
LGLY140
LALA141
LTYR144

site_idBC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE DIO L 711
ChainResidue
LILE250
LTRP262
LGOL733

site_idBC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL L 722
ChainResidue
LSER52
LTYR67
LALA81
LHOH311
LHOH477

site_idBC3
Number of Residues9
DetailsBINDING SITE FOR RESIDUE GOL L 723
ChainResidue
HTHR63
HPHE64
LALA198
LASN199
LPRO200
LHOH308
LHOH312
LHOH338
LHOH444

site_idBC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL L 724
ChainResidue
HLEU241
LGLY112
LILE113
LTYR115
LHOH459
MGLU2
MARG228

site_idBC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL L 725
ChainResidue
HPRO67
HGLY125
LGLU205
LMET206
LARG207
LHIS211
MGLU22

site_idBC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE GOL L 727
ChainResidue
LASN60
LHOH544

site_idBC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL L 728
ChainResidue
HARG89
HHOH328
LASP261
LHOH372
LGOL733

site_idBC8
Number of Residues2
DetailsBINDING SITE FOR RESIDUE GOL L 730
ChainResidue
LGLU72
LPO4703

site_idBC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL L 731
ChainResidue
LGLY77
LALA78
LGLY84
LGLN87
LHOH546

site_idCC1
Number of Residues1
DetailsBINDING SITE FOR RESIDUE GOL L 732
ChainResidue
LHOH478

site_idCC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL L 733
ChainResidue
HARG89
LTRP255
LTRP262
LDIO711
LGOL728
LLDA919

site_idCC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL L 734
ChainResidue
HTHR90
LPRO12
LASN20
LHOH358
LHOH372

site_idCC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE GOL L 744
ChainResidue
LHIS116
LPHE119
MGLN4

site_idCC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE HT3 L 751
ChainResidue
HHIS141
LTHR58
LASN60
LLEU63
LHOH373

site_idCC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE HTO L 753
ChainResidue
LILE46
LILE64
LLDA904

site_idCC7
Number of Residues7
DetailsBINDING SITE FOR RESIDUE LDA L 902
ChainResidue
HLDA901
LPRO28
LHOH332
MMET256
MGLY257
MPHE258
MHOH415

site_idCC8
Number of Residues4
DetailsBINDING SITE FOR RESIDUE LDA L 904
ChainResidue
HLDA906
LTYR148
LHOH365
LHTO753

site_idCC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE LDA L 905
ChainResidue
LALA101
LARG109
LTYR115
LLDA917

site_idDC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE LDA L 908
ChainResidue
LGLN87
LTHR90
LTRP142

site_idDC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE LDA L 913
ChainResidue
LILE91
LHOH314

site_idDC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE LDA L 914
ChainResidue
HVAL92
HSER93
HHOH488
LLDA919

site_idDC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE LDA L 915
ChainResidue
LVAL220
MHOH530
MBCL601
MLDA918

site_idDC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE LDA L 917
ChainResidue
LALA122
LLEU126
LPHE242
LLDA905

site_idDC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE LDA L 919
ChainResidue
LMET174
LTRP265
LU10502
LGOL733
LLDA914

site_idDC7
Number of Residues2
DetailsBINDING SITE FOR RESIDUE LDA L 920
ChainResidue
LU10502
LUQ1503

site_idDC8
Number of Residues4
DetailsBINDING SITE FOR RESIDUE LDA L 921
ChainResidue
LLEU234
LLEU235
LSER239
MILE6

site_idDC9
Number of Residues17
DetailsBINDING SITE FOR RESIDUE BPH M 401
ChainResidue
LPHE181
LLEU185
LLEU189
LLEU219
LU10502
MSER59
MTRP66
MALA125
MVAL126
MTRP129
MTHR146
MALA149
MPHE150
MALA153
MTHR277
MBCL601
MBCL603

site_idEC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE FE M 500
ChainResidue
LHIS190
LHIS230
MHIS219
MGLU234
MHIS266

site_idEC2
Number of Residues18
DetailsBINDING SITE FOR RESIDUE U10 M 501
ChainResidue
LPHE29
LGLY35
LPHE39
LALA42
LALA43
LALA50
LARG103
LBCL604
MHIS219
MTHR222
MALA248
MALA249
MTRP252
MMET256
MASN259
MALA260
MTHR261
MILE265

site_idEC3
Number of Residues11
DetailsBINDING SITE FOR RESIDUE SPO M 600
ChainResidue
LU10502
MPHE67
MILE70
MGLY71
MTRP75
MSER119
MPHE120
MTRP157
MTRP171
MHIS182
MBCL601

site_idEC4
Number of Residues17
DetailsBINDING SITE FOR RESIDUE BCL M 601
ChainResidue
LHIS168
LMET174
LILE177
LSER178
LTHR182
LHOH284
LU10502
LBCL602
LLDA915
MMET122
MILE179
MHIS182
MLEU183
MTHR186
MBPH401
MSPO600
MBCL603

site_idEC5
Number of Residues20
DetailsBINDING SITE FOR RESIDUE BCL M 603
ChainResidue
LVAL157
LTYR162
LBCL602
MALA153
MLEU156
MTHR186
MASN187
MSER190
MLEU196
MPHE197
MHIS202
MSER205
MILE206
MTYR210
MVAL276
MGLY280
MILE284
MBPH401
MBCL601
MLDA918

site_idEC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE K M 701
ChainResidue
HHOH481
HHOH483
MVAL192
MASP292

site_idEC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL M 702
ChainResidue
HTYR30
MARG267
MTRP271
MCDL800

site_idEC8
Number of Residues8
DetailsBINDING SITE FOR RESIDUE PO4 M 704
ChainResidue
MASN28
MGLY53
MSER54
MHOH383
MHOH384
MHOH425
MHOH426
MHOH431

site_idEC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PO4 M 707
ChainResidue
MGLU173
MTRP185
MPHE189
MGOL740

site_idFC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL M 726
ChainResidue
LTYR162
LPO4706
MLEU191
MHOH331
MHOH338

site_idFC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL M 737
ChainResidue
LHOH369
MSER30
MGLY31
MHOH309
MHOH529
MHOH531

site_idFC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL M 740
ChainResidue
MSER172
MGLU173
MPO4707
MGOL742

site_idFC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL M 741
ChainResidue
MTYR3
MGLN4
MASN5
MILE6
MPHE7
MHOH351
MHOH385

site_idFC5
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL M 742
ChainResidue
MGLU95
MPRO96
MPRO97
MPRO99
MSER172
MHOH376
MHOH430
MGOL740

site_idFC6
Number of Residues14
DetailsBINDING SITE FOR RESIDUE CDL M 800
ChainResidue
HPHE23
HGLY26
HTYR30
LASN199
LPRO200
MGLY143
MLYS144
MHIS145
MTRP148
MARG267
MLEU278
MHOH443
MHOH453
MCL702

site_idFC7
Number of Residues7
DetailsBINDING SITE FOR RESIDUE LDA M 903
ChainResidue
HHOH280
HLDA901
HLDA910
LBCL604
MPRO200
MLEU204
MTRP268

site_idFC8
Number of Residues2
DetailsBINDING SITE FOR RESIDUE LDA M 907
ChainResidue
MPHE7
MLEU38

site_idFC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE LDA M 911
ChainResidue
MLEU167
MMET168
MGLY288
MTHR289

site_idGC1
Number of Residues2
DetailsBINDING SITE FOR RESIDUE LDA M 912
ChainResidue
MPHE105
MALA107

site_idGC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE LDA M 916
ChainResidue
MSER128
MGLN138

site_idGC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE LDA M 918
ChainResidue
LLDA915
MILE50
MBCL603

site_idGC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE K H 700
ChainResidue
HMET134
HALA137
HPHE140
HHOH336
HHOH338

site_idGC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE PO4 H 709
ChainResidue
HLYS146
HVAL198
HGLN199
HSER200
HHOH432
HGOL746

site_idGC6
Number of Residues10
DetailsBINDING SITE FOR RESIDUE GOL H 721
ChainResidue
HARG177
HPHE178
HPRO192
HGLN194
HCYS234
MSER227
MARG228
MGLY230
MARG233
MHOH327

site_idGC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL H 729
ChainResidue
HASN44
HTHR48
HPRO49
LPO4708

site_idGC8
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL H 735
ChainResidue
HMET242
HHOH345
LPRO12
LGLY13

site_idGC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL H 736
ChainResidue
HGLN199
HARG202
HHOH487
HGOL746

site_idHC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE GOL H 738
ChainResidue
HGLU38
HTHR74
HVAL75
HGLY77
HPRO78
HGLU79
HHOH276
HHOH409
MARG241

site_idHC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE GOL H 739
ChainResidue
HILE160
HSER210
HHTO752

site_idHC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL H 743
ChainResidue
HHIS128
HASN129
HLYS132
HHOH438

site_idHC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL H 745
ChainResidue
HARG154
HLYS197
HGLN199
HHIS204
HASN206
HHOH486
HHOH535
MALA1

site_idHC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL H 746
ChainResidue
HGLN199
HSER200
HASN201
HPO4709
HGOL736

site_idHC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE HTO H 752
ChainResidue
HGLY162
HGLU182
HLEU183
HLYS184
HGOL739

site_idHC7
Number of Residues8
DetailsBINDING SITE FOR RESIDUE LDA H 901
ChainResidue
HGLN32
HTYR40
HLDA910
LLDA902
MARG253
MPHE258
MHOH415
MLDA903

site_idHC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE LDA H 906
ChainResidue
HTRP21
HLDA910
LLDA904

site_idHC9
Number of Residues3
DetailsBINDING SITE FOR RESIDUE LDA H 909
ChainResidue
HALA25
HTYR29
HLDA910

site_idIC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE LDA H 910
ChainResidue
HTYR18
HTRP21
HLDA901
HLDA906
HLDA909
MLDA903

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

site_idSWS_FT_FI2
Number of Residues278
DetailsTransmembrane: {"description":"Helical"}
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

246704

PDB entries from 2025-12-24

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