OHP2 one-helix protein 2 [Arabidopsis thaliana (thale cress)] - Gene

Summary

Gene symbol: OHP2
Gene description: one-helix protein 2
Primary source: Araport:AT1G34000
Locus tag: AT1G34000
Gene type: protein coding
RefSeq status: REVIEWED
Organism: Arabidopsis thaliana (ecotype: Columbia)
Lineage: Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae; rosids; malvids; Brassicales; Brassicaceae; Camelineae; Arabidopsis
Also known as: one-helix protein 2
Summary: Encodes a novel member of the Lhc family from Arabidopsis with one predicted transmembrane alpha-helix closely related to helix I of Lhc protein from PSI (Lhca4). Gene expression is triggered by light stress and both transcript and protein accumulate in a light intensity-dependent manner. Ohp2 is associated with PSI under low- or high-light conditions.
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Chromosome 1 - NC_003070.9 Genomic Context describing neighboring genes

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ONE-HELIX PROTEIN1 and 2 Form Heterodimers to Bind Chlorophyll in Photosystem II Biogenesis.
Title: ONE-HELIX PROTEIN1 and 2 Form Heterodimers to Bind Chlorophyll in Photosystem II Biogenesis.
OHP1 and OHP2 are essential for the formation of the Photosystem II Reaction Center.
Title: OHP1, OHP2, and HCF244 Form a Transient Functional Complex with the Photosystem II Reaction Center.
OHP2 role in the photosystem II assmebly and thylakoid membrane biogenesis.OHP1 and OHP2 form a heterodimer.OHP2 is required for the HCF244 protein stability.
Title: ONE-HELIX PROTEIN2 (OHP2) Is Required for the Stability of OHP1 and Assembly Factor HCF244 and Is Functionally Linked to PSII Biogenesis.

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

NM_103122.4

Function	Evidence Code	Pubs
enables molecular_function	ND No biological Data available more info

Process	Evidence Code	Pubs
acts_upstream_of_or_within photosystem II assembly	IMP Inferred from Mutant Phenotype more info	PubMed
acts_upstream_of_or_within response to light intensity	IEP Inferred from Expression Pattern more info	PubMed

Component	Evidence Code	Pubs
located_in chloroplast	HDA more info	PubMed
located_in chloroplast	ISM Inferred from Sequence Model more info
located_in chloroplast thylakoid	HDA more info	PubMed
located_in chloroplast thylakoid membrane	HDA more info	PubMed
located_in chloroplast thylakoid membrane	IDA Inferred from Direct Assay more info	PubMed
located_in nucleus	HDA more info	PubMed

NP_564432.3

one-helix protein 2 (OHP2); FUNCTIONS IN: molecular_function unknown; INVOLVED IN: response to light intensity; LOCATED IN: chloroplast thylakoid membrane, chloroplast; EXPRESSED IN: 22 plant structures; EXPRESSED DURING: 13 growth stages; Has 171 Blast hits to 159 proteins in 56 species: Archae - 0; Bacteria - 5; Metazoa - 24; Fungi - 6; Plants - 64; Viruses - 16; Other Eukaryotes - 56 (source: NCBI BLink).

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