Structure of PDB 5h8z Chain C

Receptor sequence

>5h8zC (length=358) Species: 194439 (Chlorobaculum tepidum TLS)

VTTAHSDYEIVLEGGSSSWGKVKARAKVNAPPASPLLPADADVKLNVKPL
DPAKGFVRISAVFESIVDSTKNKLTIEADIANETKERRISVGEGMVSVGD
FSHTFSFEGSVVNLFYYRSDAVRRNVPNPIYMQGRQFHDILMKVPLDNND
LIDTWEGTVKAIGSTGAFNDWIRDFWFIGPAFTALNEGGQRISRIEVNGL
NTESGPKGPVGVSRWRFSHGGSGMVDSISRWAELFPSDKLNRPAQVEAGF
RSDSQGIEVKVDGEFPGVSVDAGGGLRRILNHPLIPLVHHGMVGKFNNFN
VDAQLKVVLPKGYKIRYAAPQYRSQNLEEYRWSGGAYARWVEHVAKGGVG
QFEILYAQ

3D structure

• PDB: 5h8z Perturbation of bacteriochlorophyll molecules in Fenna-Matthews-Olson protein complexes through mutagenesis of cysteine residues.
• Chain: C
• Resolution: 1.8 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	C	V106 F109 H111 F113 V152 L159 T162 T166 I180 W184 W223	V98 F101 H103 F105 V144 L151 T154 T158 I172 W176 W215
BS02	BCL	C	P43 S73 V75 N80 L82 F115 F183 I186	P35 S65 V67 N72 L74 F107 F175 I178
BS03	BCL	C	Y16 P40 A41 F258 S260 I265 V267 H298 V301 N305 F307	Y8 P32 A33 F250 S252 I257 V259 H290 V293 N297 F299
BS04	BCL	C	Y16 V30 A32 A256 G257 F258 L288 H290 P291 P294 H298 Y345 W348 F360	Y8 V22 A24 A248 G249 F250 L280 H282 P283 P286 H290 Y337 W340 F352
BS05	BCL	C	L53 V55 R238 L242 F243 P244 F273 P274 P291	L45 V47 R230 L234 F235 P236 F265 P266 P283
BS06	BCL	C	A69 I84 R96 I97 S98 V119 H146 W184 S235 A252	A61 I76 R88 I89 S90 V111 H138 W176 S227 A244
BS07	BCL	C	A41 F71 F185 P188 A189 A192 Q198 H297 H298 M300 V301	A33 F63 F177 P180 A181 A184 Q190 H289 H290 M292 V293
BS08	BCL	C	Y124 Y125 R126	Y116 Y117 R118

Gene Ontology

Molecular Function

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

Biological Process

• GO:0015979 photosynthesis

External links

• PDB: RCSB:5h8z, PDBe:5h8z, PDBj:5h8z
• PDBsum: 5h8z
• PubMed: 27114180
• UniProt: Q46393|BCPA_CHLTE Bacteriochlorophyll a protein (Gene Name=fmoA)