1YST

STRUCTURE OF THE PHOTOCHEMICAL REACTION CENTER OF A SPHEROIDENE CONTAINING PURPLE BACTERIUM, RHODOBACTER SPHAEROIDES Y, AT 3 ANGSTROMS RESOLUTION

Functional Information from GO Data

Chain	GOid	namespace	contents
H	0015979	biological_process	photosynthesis
H	0016020	cellular_component	membrane
H	0016168	molecular_function	chlorophyll binding
H	0019684	biological_process	photosynthesis, light reaction
H	0030077	cellular_component	plasma membrane light-harvesting complex
H	0042314	molecular_function	bacteriochlorophyll binding
H	0042717	cellular_component	plasma membrane-derived chromatophore membrane
H	0045156	molecular_function	electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity
L	0009772	biological_process	photosynthetic electron transport in photosystem II
L	0015979	biological_process	photosynthesis
L	0016020	cellular_component	membrane
L	0016168	molecular_function	chlorophyll binding
L	0019684	biological_process	photosynthesis, light reaction
L	0030077	cellular_component	plasma membrane light-harvesting complex
L	0042314	molecular_function	bacteriochlorophyll binding
L	0042717	cellular_component	plasma membrane-derived chromatophore membrane
L	0045156	molecular_function	electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity
L	0046872	molecular_function	metal ion binding
M	0009772	biological_process	photosynthetic electron transport in photosystem II
M	0015979	biological_process	photosynthesis
M	0016020	cellular_component	membrane
M	0016168	molecular_function	chlorophyll binding
M	0019684	biological_process	photosynthesis, light reaction
M	0030077	cellular_component	plasma membrane light-harvesting complex
M	0042314	molecular_function	bacteriochlorophyll binding
M	0042717	cellular_component	plasma membrane-derived chromatophore membrane
M	0045156	molecular_function	electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity
M	0046872	molecular_function	metal ion binding

Functional Information from PDB Data

site_id	AC1
Number of Residues	5
Details	BINDING SITE FOR RESIDUE MN M 306

Chain	Residue
L	HIS190
L	HIS230
M	HIS219
M	GLU234
M	HIS266

---

site_id	AC2
Number of Residues	15
Details	BINDING SITE FOR RESIDUE BCL M 307

Chain	Residue
L	PHE181
L	THR182
L	BCL274
L	U10277
M	VAL175
M	HIS182
M	LEU183
M	THR186
M	BCL308
M	BPH309
M	SPO310
L	HIS168
L	MET174
L	ILE177
L	SER178

---

site_id	AC3
Number of Residues	17
Details	BINDING SITE FOR RESIDUE BCL L 274

Chain	Residue
L	PHE97
L	ALA124
L	ALA127
L	LEU131
L	PHE167
L	HIS168
L	HIS173
L	ILE177
L	PHE180
L	SER244
L	CYS247
L	MET248
L	BCL275
L	BPH276
M	PHE197
M	BCL307
M	BCL308

---

site_id	AC4
Number of Residues	20
Details	BINDING SITE FOR RESIDUE BCL M 308

Chain	Residue
L	HIS168
L	PHE181
L	BCL274
L	U10277
M	VAL126
M	LEU156
M	TRP157
M	LEU160
M	THR186
M	SER190
M	LEU196
M	PHE197
M	HIS202
M	SER205
M	ILE206
M	TYR210
M	GLY280
M	ILE284
M	BCL307
M	BPH309

---

site_id	AC5
Number of Residues	14
Details	BINDING SITE FOR RESIDUE BCL L 275

Chain	Residue
L	TYR128
L	LEU131
L	PHE146
L	HIS153
L	LEU154
L	BCL274
L	BPH276
M	PHE197
M	GLY203
M	ILE206
M	ALA207
M	TYR210
M	LEU214
M	U10311

---

site_id	AC6
Number of Residues	14
Details	BINDING SITE FOR RESIDUE BPH M 309

Chain	Residue
L	PHE181
L	ALA184
L	LEU185
L	ALA188
L	LEU189
M	PHE67
M	VAL126
M	TRP129
M	PHE150
M	ALA153
M	THR277
M	BCL307
M	BCL308
M	SPO310

---

site_id	AC7
Number of Residues	14
Details	BINDING SITE FOR RESIDUE BPH L 276

Chain	Residue
L	ALA42
L	ILE89
L	ALA93
L	TRP100
L	GLU104
L	ALA120
L	PHE121
L	TYR148
L	VAL241
L	BCL274
L	BCL275
M	TYR210
M	LEU214
M	MET218

---

site_id	AC8
Number of Residues	15
Details	BINDING SITE FOR RESIDUE SPO M 310

Chain	Residue
M	PHE67
M	PHE68
M	ILE70
M	PHE74
M	PHE85
M	SER119
M	PHE123
M	TRP157
M	GLY161
M	PHE162
M	VAL175
M	TYR177
M	GLY178
M	BCL307
M	BPH309

---

site_id	AC9
Number of Residues	11
Details	BINDING SITE FOR RESIDUE U10 M 311

Chain	Residue
L	BCL275
M	THR222
M	ALA248
M	ALA249
M	TRP252
M	MET256
M	ASN259
M	ALA260
M	THR261
M	ILE265
M	TRP268

---

site_id	BC1
Number of Residues	10
Details	BINDING SITE FOR RESIDUE U10 L 277

Chain	Residue
L	HIS190
L	LEU193
L	GLU212
L	PHE216
L	SER223
L	ILE224
L	GLY225
L	ILE229
M	BCL307
M	BCL308

---

Functional Information from PROSITE/UniProt

site_id	PS00244
Number of Residues	27
Details	REACTION_CENTER Photosynthetic reaction center proteins signature. NlfynPfHglSiaflygsallfAmHGA

Chain	Residue	Details
M	ASN195-ALA221
L	ASN166-ALA192

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	10
Details	TOPO_DOM: Periplasmic

Chain	Residue	Details
H	MET1-ASP11
M	GLU111-MET140
M	GLY143-MET168
M	TYR198-VAL226
M	ALA260-LEU286

---

site_id	SWS_FT_FI2
Number of Residues	19
Details	TRANSMEM: Helical

Chain	Residue	Details
H	LEU12-LEU31
M	GLY203
L	ILE117-MET139
L	ALA172-ASN199
L	THR226-THR251

---

site_id	SWS_FT_FI3
Number of Residues	228
Details	TOPO_DOM: Cytoplasmic

Chain	Residue	Details
H	GLN32-ALA260
M	LEU235
M	ARG253
M	ARG267

---

site_id	SWS_FT_FI4
Number of Residues	2
Details	BINDING: axial binding residue

Chain	Residue	Details
L	LEU154
L	MET174

---

site_id	SWS_FT_FI5
Number of Residues	3
Details	BINDING:

Chain	Residue	Details
L	GLY191
L	ARG217
L	ARG231

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