Structure of PDB 1ry5 Chain M

Receptor sequence

>1ry5M (length=301) Species: 1063 (Cereibacter sphaeroides) [Search protein sequence]

AEYQNIFSQVQVRGPADLGMTEDVNLANRSGVGPFSTLLGWFGNAQLGPI
YLGSLGVLSLFSGLMWFFTIGIWFWYQAGWNPAVFLRDLFFFSLEPPAPE
YGLSFAAPLKEGGLWLIASFFMFVAVWSWWGRTYLRAQALGMGKHTAWAF
LSAIWLWMVLGFIRPILMGSWSEAVPYGIFSHLDWTNNFSLVHGNLFYNP
FHGLSIAFLYGSALLFAMHGATILAVSRFGGERELEQIADRGTAAERAAL
FWRWTMGFNATMEGIHRWAIWMAVLVTLTGGIGILLSGTVVDNWYVWGQN
H

3D structure

PDB

1ry5 X-Ray Structure Determination of Three Mutants of the Bacterial Photosynthetic Reaction Centers from Rb. sphaeroides; Altered Proton Transfer Pathways.

Chain

Resolution

2.1 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	M	H182 L183	H182 L183
BS02	BCL	M	I206 A207 Y210 L214	I206 A207 Y210 L214
BS03	BPH	M	Y210 A213 L214 M218 W252	Y210 A213 L214 M218 W252
BS04	FE2	M	H219 E234 H266	H219 E234 H266
BS05	BCL	M	L156 W157 T186 N187 F189 S190 L196 F197 H202 S205 I206 Y210 V276 T277 G280 I284	L156 W157 T186 N187 F189 S190 L196 F197 H202 S205 I206 Y210 V276 T277 G280 I284
BS06	BPH	M	L60 G63 A125 W129 A149 F150 A153 T277	L60 G63 A125 W129 A149 F150 A153 T277
BS07	U10	M	M218 H219 T222 A249 W252 M256 N259 A260 T261 I265 W268	M218 H219 T222 A249 W252 M256 N259 A260 T261 I265 W268
BS08	SPO	M	F67 I70 G71 W75 F85 S119 F120 M122 W157 G161 F162 W171 G178 H182	F67 I70 G71 W75 F85 S119 F120 M122 W157 G161 F162 W171 G178 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:1ry5, PDBe:1ry5, PDBj:1ry5
PDBsum	1ry5
PubMed	15062092
UniProt	P0C0Y9\|RCEM_CERSP Reaction center protein M chain (Gene Name=pufM)

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