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1KBY

Structure of Photosynthetic Reaction Center with bacteriochlorophyll-bacteriopheophytin heterodimer

Functional Information from GO Data
ChainGOidnamespacecontents
H0015979biological_processphotosynthesis
H0016020cellular_componentmembrane
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
L0016020cellular_componentmembrane
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
M0016020cellular_componentmembrane
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 Residues5
DetailsBINDING SITE FOR RESIDUE FE M 856
ChainResidue
LHIS190
LHIS230
MHIS219
MGLU234
MHIS266

site_idAC2
Number of Residues1
DetailsBINDING SITE FOR RESIDUE CL M 6000
ChainResidue
LLYS82

site_idAC3
Number of Residues15
DetailsBINDING SITE FOR RESIDUE BCL L 850
ChainResidue
LSER178
LTHR182
LBCL851
LBPH854
LHOH1008
MTRP157
MILE179
MHIS182
MLEU183
MTHR186
MBPH852
MSPO859
LHIS168
LMET174
LILE177

site_idAC4
Number of Residues17
DetailsBINDING SITE FOR RESIDUE BCL L 851
ChainResidue
LPHE97
LALA124
LALA127
LLEU131
LVAL157
LPHE167
LHIS168
LHIS173
LILE177
LPHE180
LSER244
LALA245
LCYS247
LMET248
LBCL850
LBCL853
MBPH852

site_idAC5
Number of Residues19
DetailsBINDING SITE FOR RESIDUE BPH M 852
ChainResidue
LVAL157
LTYR162
LPHE181
LBCL850
LBCL851
LBCL853
LBPH854
MALA153
MTHR186
MASN187
MLEU196
MPHE197
MLEU202
MSER205
MILE206
MTYR210
MTHR277
MGLY280
MILE284

site_idAC6
Number of Residues13
DetailsBINDING SITE FOR RESIDUE BCL L 853
ChainResidue
LILE49
LTYR128
LLEU131
LPHE146
LHIS153
LLEU154
LBCL851
LBPH855
MGLY203
MILE206
MALA207
MTYR210
MBPH852

site_idAC7
Number of Residues14
DetailsBINDING SITE FOR RESIDUE BPH L 854
ChainResidue
LPHE181
LALA184
LLEU185
LBCL850
MLEU64
MPHE67
MALA125
MTRP129
MTHR146
MALA149
MPHE150
MALA273
MTHR277
MBPH852

site_idAC8
Number of Residues14
DetailsBINDING SITE FOR RESIDUE BPH L 855
ChainResidue
LILE46
LTRP100
LGLU104
LALA120
LPHE121
LTYR148
LLEU238
LVAL241
LBCL853
MTYR210
MALA213
MLEU214
MTRP252
MMET256

site_idAC9
Number of Residues13
DetailsBINDING SITE FOR RESIDUE U10 M 857
ChainResidue
LTRP100
MMET218
MHIS219
MTHR222
MALA249
MTRP252
MMET256
MASN259
MALA260
MMET262
MILE265
MMET272
LTHR38

site_idBC1
Number of Residues13
DetailsBINDING SITE FOR RESIDUE SPO M 859
ChainResidue
LBCL850
MPHE67
MILE70
MGLY71
MTRP75
MPHE120
MTRP157
MLEU160
MPHE162
MTRP171
MTYR177
MGLY178
MHIS182

site_idBC2
Number of Residues10
DetailsBINDING SITE FOR RESIDUE CDL M 5000
ChainResidue
HTYR30
LASN199
MGLY143
MLYS144
MHIS145
MTRP148
MTRP155
MARG267
MTRP271
MHOH1198

Functional Information from PROSITE/UniProt
site_idPS00244
Number of Residues27
DetailsREACTION_CENTER Photosynthetic reaction center proteins signature. NfhynPaHmiAisffftnalalAlHGA
ChainResidueDetails
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

239149

PDB entries from 2025-07-23

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