Structure of PDB 7z6q Chain H

Receptor sequence

>7z6qH (length=358) Species: 194439 (Chlorobaculum tepidum TLS) [Search protein sequence]

VTTAHSDYEIVLEGGSSSWGKVKARAKVNAPPASPLLPADCDVKLNVKPL
DPAKGFVRISAVFESIVDSTKNKLTIEADIANETKERRISVGEGMVSVGD
FSHTFSFEGSVVNLFYYRSDAVRRNVPNPIYMQGRQFHDILMKVPLDNND
LIDTWEGTVKAIGSTGAFNDWIRDFWFIGPAFTALNEGGQRISRIEVNGL
NTESGPKGPVGVSRWRFSHGGSGMVDSISRWAELFPSDKLNRPAQVEAGF
RSDSQGIEVKVDGEFPGVSVDAGGGLRRILNHPLIPLVHHGMVGKFNNFN
VDAQLKVVLPKGYKIRYAAPQYRSQNLEEYRWSGGAYARWVEHVCKGGVG
QFEILYAQ

3D structure

PDB

7z6q Cryo-EM structure of the whole photosynthetic reaction center apparatus from the green sulfur bacterium Chlorobaculum tepidum.

Chain

Resolution

2.5 Å

3D
structure

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Enzymatic activity

Enzyme Commision number

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)
BS01	BCL	H	V104 V106 F109 H111 F113 M150 V152 L159 T162 T166 I180 F183 W184 S221 W223	V96 V98 F101 H103 F105 M142 V144 L151 T154 T158 I172 F175 W176 S213 W215
BS02	BCL	H	L44 S73 V75 N80 K81 L82 F113 F115 I148 F183 W184	L36 S65 V67 N72 K73 L74 F105 F107 I140 F175 W176
BS03	BCL	H	Y16 P40 A41 F258 I265 H298 V301 F307	Y8 P32 A33 F250 I257 H290 V293 F299
BS04	BCL	H	Y16 I18 V30 A32 V51 F258 L288 H290 P291 P294 H298 Y345 W348 C353 F360	Y8 I10 V22 A24 V43 F250 L280 H282 P283 P286 H290 Y337 W340 C345 F352
BS05	BCL	H	F71 E241 L242 F243 P244 V254 F273	F63 E233 L234 F235 P236 V246 F265
BS06	BCL	H	R96 I97 S98 V119 H146 I148 W184 H227 S235 W239 L242 V254	R88 I89 S90 V111 H138 I140 W176 H219 S227 W231 L234 V246
BS07	BCL	H	A41 S42 F185 P188 A192 Q198 I293 P294 H297 M300	A33 S34 F177 P180 A184 Q190 I285 P286 H289 M292
BS08	BCL	H	Y124 Y125 R126	Y116 Y117 R118
BS09	BCL	H	D161 T162 A169 S172 T173 F176 W179 F183	D153 T154 A161 S164 T165 F168 W171 F175
BS10	BCL	H	V134 P137 I138 Y139 Q141	V126 P129 I130 Y131 Q133

Gene Ontology

	Molecular Function
GO:0042314	bacteriochlorophyll binding
GO:0046872	metal ion binding

	Biological Process
GO:0015979	photosynthesis

View graph for
Molecular Function

View graph for
Biological Process

External links

PDB	RCSB:7z6q, PDBe:7z6q, PDBj:7z6q
PDBsum	7z6q
PubMed	36693097
UniProt	Q46393\|BCPA_CHLTE Bacteriochlorophyll a protein (Gene Name=fmoA)

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