Annotations: 3UG9

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	C1-set	e3ug9A1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: C1-set	ECOD (v294.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	6.10.250.2400	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
A	1.20.1070.10	Mainly Alpha	Up-down Bundle	Rhopdopsin 7-helix transmembrane proteins	Rhodopsin 7-helix transmembrane proteins	CATH (4.3.0)
A	6.20.370.80	Special	Other non-globular	Rhinovirus 14, subunit 4		CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Archaeal-type opsin 1, Archaeal-type opsin 2	molecular transducer activity photoreceptor activity signaling receptor activity	phototransduction cellular response to stimulus detection of light stimulus response to light stimulus detection of external stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation response to external stimulus detection of abiotic stimulus cell communication detection of stimulus phototransduction cellular response to stimulus detection of light stimulus response to light stimulus detection of external stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation response to external stimulus detection of abiotic stimulus cell communication detection of stimulus cellular process response to abiotic stimulus response to radiation signal transduction	cell periphery cellular anatomical structure plasma membrane membrane

Chains	Accession	Name	Type
A	IPR001425	Archaeal/bacterial/fungal rhodopsins	Family
A	IPR001425	Archaeal/bacterial/fungal rhodopsins	Family

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Transmembrane	Alpha-helical polytopic	Rhodopsin-like receptors and pumps	Microbial and algal rhodopsins

Chains	External Link	Comment
A	PDBTM	Annotated as membrane protein by PDBTM

Chains	External Link	Comment
A	MemProtMD	Annotated as membrane protein by MemProtMD

Chains	Resource Link	Group	Subgroup	Protein
A	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Bacterial, Algal, Viral, and Unusual Rhodopsins	Channelrhodopsin (ChR) chimera between ChR1 & ChR2

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

3UG9 | pdb_00003ug9