1RG5

Structure of the photosynthetic reaction centre from Rhodobacter sphaeroides carotenoidless strain R-26.1

Functional Information from GO Data

Chain	GOid	namespace	contents
H	0015979	biological_process	photosynthesis
H	0016020	cellular_component	membrane
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	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	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 FE M 500

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

---

site_id	AC2
Number of Residues	16
Details	BINDING SITE FOR RESIDUE BCL M 501

Chain	Residue
L	THR182
L	U10502
L	HOH709
M	MET122
M	ILE179
M	HIS182
M	LEU183
M	THR186
M	BPH401
M	BCL502
M	LDA905
M	LDA920
L	HIS168
L	MET174
L	ILE177
L	SER178

---

site_id	AC3
Number of Residues	12
Details	BINDING SITE FOR RESIDUE BCL L 302

Chain	Residue
L	PHE97
L	ALA124
L	VAL157
L	PHE167
L	HIS168
L	HIS173
L	ILE177
L	SER244
L	MET248
L	BCL304
L	BPH402
M	BCL502

---

site_id	AC4
Number of Residues	14
Details	BINDING SITE FOR RESIDUE BCL M 502

Chain	Residue
L	BCL302
M	ALA153
M	THR186
M	ASN187
M	LEU196
M	PHE197
M	HIS202
M	SER205
M	ILE206
M	TYR210
M	GLY280
M	ILE284
M	BPH401
M	BCL501

---

site_id	AC5
Number of Residues	10
Details	BINDING SITE FOR RESIDUE BCL L 304

Chain	Residue
L	HIS153
L	LEU154
L	BCL302
L	BPH402
M	GLY203
M	ILE206
M	ALA207
M	TYR210
M	LDA902
M	HOH925

---

site_id	AC6
Number of Residues	10
Details	BINDING SITE FOR RESIDUE BPH M 401

Chain	Residue
L	PHE181
L	LEU189
M	PHE67
M	TRP129
M	PHE150
M	ALA153
M	ALA273
M	THR277
M	BCL501
M	BCL502

---

site_id	AC7
Number of Residues	9
Details	BINDING SITE FOR RESIDUE BPH L 402

Chain	Residue
L	PHE97
L	TRP100
L	GLU104
L	PHE121
L	BCL302
L	BCL304
M	TYR210
M	LEU214
M	MET256

---

site_id	AC8
Number of Residues	8
Details	BINDING SITE FOR RESIDUE U10 M 503

Chain	Residue
L	THR38
L	ARG103
M	HIS219
M	THR222
M	ALA249
M	TRP252
M	ASN259
M	ALA260

---

site_id	AC9
Number of Residues	15
Details	BINDING SITE FOR RESIDUE U10 L 502

Chain	Residue
L	SER178
L	LEU189
L	HIS190
L	LEU193
L	GLU212
L	ASP213
L	PHE216
L	TYR222
L	SER223
L	ILE224
L	GLY225
L	THR226
L	ILE229
M	BCL501
M	LDA907

---

site_id	BC1
Number of Residues	1
Details	BINDING SITE FOR RESIDUE HTO M 706

Chain	Residue
M	THR289

---

site_id	BC2
Number of Residues	2
Details	BINDING SITE FOR RESIDUE HTO L 707

Chain	Residue
L	PRO118
L	ALA122

---

site_id	BC3
Number of Residues	11
Details	BINDING SITE FOR RESIDUE CDL M 800

Chain	Residue
H	TYR30
H	HOH936
L	ASN199
L	PRO200
M	GLY143
M	LYS144
M	HIS145
M	TRP148
M	ARG267
M	HOH957
M	HOH970

---

site_id	BC4
Number of Residues	5
Details	BINDING SITE FOR RESIDUE LDA H 901

Chain	Residue
H	TYR40
M	ARG253
M	GLY257
M	LDA902
M	LDA903

---

site_id	BC5
Number of Residues	2
Details	BINDING SITE FOR RESIDUE LDA M 902

Chain	Residue
H	LDA901
L	BCL304

---

site_id	BC6
Number of Residues	2
Details	BINDING SITE FOR RESIDUE LDA M 903

Chain	Residue
H	LDA901
M	GLY257

---

site_id	BC7
Number of Residues	2
Details	BINDING SITE FOR RESIDUE LDA M 905

Chain	Residue
M	VAL32
M	BCL501

---

site_id	BC8
Number of Residues	1
Details	BINDING SITE FOR RESIDUE LDA M 907

Chain	Residue
L	U10502

---

site_id	BC9
Number of Residues	8
Details	BINDING SITE FOR RESIDUE LDA M 920

Chain	Residue
M	TRP115
M	GLY161
M	VAL175
M	PRO176
M	GLY178
M	ILE179
M	BCL501
M	HOH964

---

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-LEU140
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

---