Structure of PDB 7od5 Chain L

Receptor sequence

>7od5L (length=281) Species: 1063 (Cereibacter sphaeroides)

ALLSFERKYRVPGGTLVGGNLFDFWVGPFYVGFFGVATFFFAALGIILIA
WSAVLQGTWNPQLISVYPPALEYGLGGAPLAKGGLWQIITICATGAFVSW
ALREVEICRKLGIGYHIPFAFAFAILAYLTLVLFRPVMMGAWGYAFPYGI
WTHLDWVSNTGYTYGNFHYNPAHMIAITFFFTNALALALHGALVLSAANP
EKGKEMRTPDHEDTFFRDLVGYSIGTLGIHRLGLLLSLSAVFFSALCMII
TGTIWFDQWVDWWQWWVKLPWWANIPGGING

3D structure

• PDB: 7od5 X-ray structure of the Rhodobacter sphaeroides reaction center with an M197 Phe→His substitution clarifies the properties of the mutant complex.
• Chain: L
• Resolution: 2.1 Å

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	BCL	L	H168 M174 I177 T178 T182	H168 M174 I177 T178 T182
BS02	BCL	L	F97 A124 I125 L131 V157 T160 Y162 F167 H168 H173 I177 F180 S244 M248	F97 A124 I125 L131 V157 T160 Y162 F167 H168 H173 I177 F180 S244 M248
BS03	BPH	L	I49 A93 W100 E104 F121 A124 Y148 G149 H153 V241	I49 A93 W100 E104 F121 A124 Y148 G149 H153 V241
BS04	BCL	L	Y128 L131 F146 I150 H153 L154	Y128 L131 F146 I150 H153 L154
BS05	BPH	L	F181 L185 L189	F181 L185 L189
BS06	FE	L	H190 H230	H190 H230
BS07	U10	L	F29 G35 W100 R103	F29 G35 W100 R103

Gene Ontology

Molecular Function

• GO:0042314 bacteriochlorophyll binding
• GO:0045156 electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity
• GO:0046872 metal ion binding

Biological Process

• GO:0009772 photosynthetic electron transport in photosystem II
• GO:0015979 photosynthesis
• GO:0019684 photosynthesis, light reaction

Cellular Component

• GO:0016020 membrane
• GO:0030077 plasma membrane light-harvesting complex
• GO:0042717 plasma membrane-derived chromatophore membrane

External links

• PDB: RCSB:7od5, PDBe:7od5, PDBj:7od5
• PDBsum: 7od5
• PubMed: 35371503
• UniProt: Q3J1A5|RCEL_CERS4 Reaction center protein L chain (Gene Name=pufL)