Structure of PDB 1r2c Chain M

Receptor sequence

>1r2cM (length=323) Species: 1079 (Blastochloris viridis) [Search protein sequence]

ADYQTIYTQIQARGPHITVSGEWGDNDRVGKPFYSYWLGKIGDAQIGPIY
LGASGIAAFAFGSTAILIILFNMAAEVHFDPLQFFRQFFWLGLYPPKAQY
GMGIPPLHDGGWWLMAGLFMTLSLGSWWIRVYSRARALGLGTHIAWNFAA
AIFFVLCIGCIHPTLVGSWSEGVPFGIWPHIDWLTAFSIRYGNFYYCPWH
GFSIGFAYGCGLLFAAHGATILAVARFGGDREIEQITDRGTAVERAALFW
RWTIGFNATIESVHRWGWFFSLMVMVSASVGILLTGTFVDNWYLWCVKHG
AAPDYPAYLPATPDPASLPGAPK

3D structure

PDB

1r2c Time-resolved crystallographic studies of light-induced structural changes in the photosynthetic reaction center.

Chain

Resolution

2.86 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	BCB	M	Y195 Y208	Y195 Y208
BS02	BCB	M	G201 I204 G205 Y208 G209	G201 I204 G205 Y208 G209
BS03	BPB	M	Y208 L212 W250 I254	Y208 L212 W250 I254
BS04	FE2	M	H217 E232 H264	H217 E232 H264
BS05	BCB	M	I177 H180 I181 L184	I177 H180 I181 L184
BS06	BCB	M	I66 L124 F154 V155 L184 F194 Y195 H200 S203 I204 Y208 M275 A278 I282	I66 L124 F154 V155 L184 F194 Y195 H200 S203 I204 Y208 M275 A278 I282
BS07	BPB	M	F59 I66 S123 W127 N147 F148 S271	F59 I66 S123 W127 N147 F148 S271
BS08	MQ7	M	H217 T220 A246 W250 F256 N257 A258 I260 V263 W266	H217 T220 A246 W250 F256 N257 A258 I260 V263 W266
BS09	NS5	M	I69 L114 G117 M120 G159 C160 V173 F175 G176 H180	I69 L114 G117 M120 G159 C160 V173 F175 G176 H180

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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Molecular Function

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Cellular Component

External links

PDB	RCSB:1r2c, PDBe:1r2c, PDBj:1r2c
PDBsum	1r2c
PubMed	15073325
UniProt	P06010\|RCEM_BLAVI Reaction center protein M chain (Gene Name=pufM)

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