RCSB PDB

141209 Biological Macromolecular Structures Enabling Breakthroughs in Research and Education

1EYS

CRYSTAL STRUCTURE OF PHOTOSYNTHETIC REACTION CENTER FROM A THERMOPHILIC BACTERIUM, THERMOCHROMATIUM TEPIDUM

Macromolecule Annotations for the Entities in PDB 1EYS

Domain Annotation: SCOP Classification SCOP Database (version: 1.75) Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species
C	d1eysc_	All alpha proteins	Multiheme cytochromes	Multiheme cytochromes	Photosynthetic reaction centre (cytochrome subunit)	Photosynthetic reaction centre (cytochrome subunit)	Thermochromatium tepidum [TaxId: 1050]
H59-259	d1eysh1	All beta proteins	PRC-barrel domain	PRC-barrel domain	Photosynthetic reaction centre, H-chain, cytoplasmic domain	Photosynthetic reaction centre	Thermochromatium tepidum [TaxId: 1050]
L	d1eysl_	Membrane and cell surface proteins and peptides	Bacterial photosystem II reaction centre, L and M subunits	Bacterial photosystem II reaction centre, L and M subunits	Bacterial photosystem II reaction centre, L and M subunits	L (light) subunit	Thermochromatium tepidum [TaxId: 1050]
M	d1eysm_	Membrane and cell surface proteins and peptides	Bacterial photosystem II reaction centre, L and M subunits	Bacterial photosystem II reaction centre, L and M subunits	Bacterial photosystem II reaction centre, L and M subunits	M (medium) subunit	Thermochromatium tepidum [TaxId: 1050]
H7-43	d1eysh2	Membrane and cell surface proteins and peptides	Single transmembrane helix	Photosystem II reaction centre subunit H, transmembrane region	Photosystem II reaction centre subunit H, transmembrane region	Photosystem II reaction centre subunit H, transmembrane region	Thermochromatium tepidum [TaxId: 1050]

Domain Annotation: CATH CATH Database (version 4.0.0) Homepage

Chains	Domain	Class	Architecture	Topology	Homology
C1	1eysC01	Mainly Alpha	Orthogonal Bundle	Photosynthetic Reaction Center, subunit C; domain 2	Photosynthetic Reaction Center, subunit C, domain 2
C2	1eysC02	Mainly Alpha	Orthogonal Bundle	Photosynthetic Reaction Center, subunit C; domain 2	Photosynthetic Reaction Center, subunit C, domain 2
H1	1eysH01	Few Secondary Structures	Irregular	Photosynthetic Reaction Center; Chain H, domain 1	Photosynthetic Reaction Center, subunit H, domain 1
H2	1eysH02	Alpha Beta	Alpha-Beta Complex	Photosynthetic Reaction Center; Chain H, domain 2	Photosynthetic Reaction Center, subunit H, domain 2
L1	1eysL01	Mainly Alpha	Up-down Bundle	Photosynthetic Reaction Center, subunit M; domain 1	Membrane spanning alpha-helix pairs
L2	1eysL02	Mainly Alpha	Up-down Bundle	Photosynthetic Reaction Center, subunit M; domain 1	Membrane spanning alpha-helix pairs
M1	1eysM01	Mainly Alpha	Up-down Bundle	Photosynthetic Reaction Center, subunit M; domain 1	Membrane spanning alpha-helix pairs
M2	1eysM02	Mainly Alpha	Up-down Bundle	Photosynthetic Reaction Center, subunit M; domain 1	Membrane spanning alpha-helix pairs

Protein Family Annotation Pfam Database Homepage

Chains	Pfam Accession	Pfam Identifier	Pfam Description	Type	Source

Gene Product Annotation Gene Ontology Consortium Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C	PHOTOSYNTHETIC REACTION CENTER (1EYS:C)	Iron Ion Binding Electron Transfer Activity Heme Binding	Photosynthesis Light Reaction	Plasma Membrane Light Harvesting Complex
L	PHOTOSYNTHETIC REACTION CENTER (1EYS:L)	Electron Transporter Transferring Electrons Within the Cyclic Electron Transport Pathway of Photosynthesis Activity	Photosynthetic Electron Transport in Photosystem Ii Photosynthesis Light Reaction	Plasma Membrane Light Harvesting Complex
M	PHOTOSYNTHETIC REACTION CENTER (1EYS:M)	Electron Transporter Transferring Electrons Within the Cyclic Electron Transport Pathway of Photosynthesis Activity	Photosynthetic Electron Transport in Photosystem Ii Photosynthesis Light Reaction	Plasma Membrane Light Harvesting Complex
H	PHOTOSYNTHETIC REACTION CENTER (1EYS:H)	Electron Transporter Transferring Electrons Within the Cyclic Electron Transport Pathway of Photosynthesis Activity	Photosynthesis Light Reaction Electron Transport Chain	Membrane Integral Component of Membrane Plasma Membrane Light Harvesting Complex

Protein Modification Annotation

Type	PDB Residue Nr.	Description

The RCSB PDB is funded by a grant (DBI-1338415) from the National Science Foundation, the National Institutes of Health, and the US Department of Energy.