Structure of PDB 6m32 Chain F

Receptor sequence

>6m32F (length=358) Species: 194439 (Chlorobaculum tepidum TLS)

VTTAHSDYEIVLEGGSSSWGKVKARAKVNAPPASPLLPADCDVKLNVKPL
DPAKGFVRISAVFESIVDSTKNKLTIEADIANETKERRISVGEGMVSVGD
FSHTFSFEGSVVNLFYYRSDAVRRNVPNPIYMQGRQFHDILMKVPLDNND
LIDTWEGTVKAIGSTGAFNDWIRDFWFIGPAFTALNEGGQRISRIEVNGL
NTESGPKGPVGVSRWRFSHGGSGMVDSISRWAELFPSDKLNRPAQVEAGF
RSDSQGIEVKVDGEFPGVSVDAGGGLRRILNHPLIPLVHHGMVGKFNNFN
VDAQLKVVLPKGYKIRYAAPQYRSQNLEEYRWSGGAYARWVEHVCKGGVG
QFEILYAQ

3D structure

• PDB: 6m32 Architecture of the photosynthetic complex from a green sulfur bacterium.
• Chain: F
• Resolution: 2.7 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	F	T162 T166 A169 S172 F176 I180 F183	T154 T158 A161 S164 F168 I172 F175
BS02	BCL	F	L44 S73 V75 N80 L82 F115 F183	L36 S65 V67 N72 L74 F107 F175
BS03	BCL	F	F109 H111 F113 V152 D158 L159 T162 W163 T166 I180 F183 W223	F101 H103 F105 V144 D150 L151 T154 W155 T158 I172 F175 W215
BS04	BCL	F	Y16 A34 P40 F258 S260 I265 V267 H298 F307	Y8 A26 P32 F250 S252 I257 V259 H290 F299
BS05	BCL	F	Y16 V30 G257 F258 H290 P291 P294 H298 L313 W348 F360	Y8 V22 G249 F250 H282 P283 P286 H290 L305 W340 F352
BS06	BCL	F	V55 R238 E241 L242 F243 P244 L248 F273	V47 R230 E233 L234 F235 P236 L240 F265
BS07	BCL	F	V55 R96 S98 V119 H146 W184 V254	V47 R88 S90 V111 H138 W176 V246
BS08	BCL	F	A41 P188 A189 Q198 H297 H298 V301	A33 P180 A181 Q190 H289 H290 V293
BS09	BCL	F	Y124 Y125	Y116 Y117
BS10	BCL	F	Y125 I138 Y139	Y117 I130 Y131

Gene Ontology

Molecular Function

• GO:0042314 bacteriochlorophyll binding
• GO:0046872 metal ion binding

Biological Process

• GO:0015979 photosynthesis

External links

• PDB: RCSB:6m32, PDBe:6m32, PDBj:6m32
• PDBsum: 6m32
• PubMed: 33214250
• UniProt: Q46393|BCPA_CHLTE Bacteriochlorophyll a protein (Gene Name=fmoA)