Structure of PDB 4n7l Chain M

Receptor sequence

>4n7lM (length=302) Species: 1063 (Cereibacter sphaeroides) [Search protein sequence]

AEYQNIFSQVQVRGPADLGMTEDVNLANRSGVGPFSTLLGWFGNAQLGPI
YLGSLGVLSLFSGLMWFFTIGIWFWYQAGWNPAVFLRDLFFFSLEPPAPE
YGLSFAAPLKEGGLWLIASFFMFVAVWSWWGRTYLRAQALGMGKHTAWAF
LSAIWLWMVLGFIRPILMGSWSEAVPYGIFSHLDWTNNFSLVHGNLFYNP
FHGLSIAFLYGSAHLFAMHGATILAVSRFGGERELEQIADRGTAAERAAL
FWRWTMGFNATMEGIHRWAIWMAVLVTLTGGIGILLSGTVVDNWYVWGQN
HG

3D structure

PDB

4n7l Structural and kinetic properties of Rhodobacter sphaeroides photosynthetic reaction centers containing exclusively Zn-coordinated bacteriochlorophyll as bacteriochlorin cofactors.

Chain

Resolution

2.85 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	2GO	M	W129 A149 F150 A153 T277	W129 A149 F150 A153 T277
BS02	2GO	M	G203 I206 A207 Y210 G211	G203 I206 A207 Y210 G211
BS03	2GO	M	Y210 H214 W252	Y210 H214 W252
BS04	2GO	M	H182 L183	H182 L183
BS05	2GO	M	L156 T186 N187 F189 S190 L196 F197 H202 S205 I206 Y210 V276 G280 I284	L156 T186 N187 F189 S190 L196 F197 H202 S205 I206 Y210 V276 G280 I284
BS06	FE	M	H219 E234 H266	H219 E234 H266
BS07	U10	M	M218 H219 T222 A248 A249 W252 M256 N259 A260 I265 W268	M218 H219 T222 A248 A249 W252 M256 N259 A260 I265 W268
BS08	SPO	M	F67 G71 W75 W115 S119 F120 M122 W157 G161 Y177 H182	F67 G71 W75 W115 S119 F120 M122 W157 G161 Y177 H182

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

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Cellular Component

External links

PDB	RCSB:4n7l, PDBe:4n7l, PDBj:4n7l
PDBsum	4n7l
PubMed	24316146
UniProt	Q3J1A6\|RCEM_CERS4 Reaction center protein M chain (Gene Name=pufM)

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