GEX1 gamete expressed protein 1 [Arabidopsis thaliana (thale cress)] - Gene

Summary

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Official Symbol: GEX1
Official Full Name: gamete expressed protein 1
Primary source: TAIR:AT5G55490
Locus tag: AT5G55490
See related: Araport:AT5G55490
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: ATGEX1; gamete expressed protein 1; GAMETE EXPRESSED PROTEIN 1; MTE17.20; MTE17_20
Summary: Encodes a transmembrane domain containing protein that is expressed in pollen germ cells.
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Genomic context

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See GEX1 in Genome Data Viewer

Location:: chromosome: 5

Exon count:: 6

Sequence:: Chromosome: 5; NC_003076.8 (22478712..22481937, complement)

Chromosome 5 - NC_003076.8 Genomic Context describing neighboring genes

Genomic regions, transcripts, and products

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Go to reference sequence details

Genomic Sequence:: NC_003076.8

Go to nucleotide: Graphics FASTA GenBank

Bibliography

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GeneRIFs: Gene References Into Functions

What's a GeneRIF?

The GEX1 extracellular domain is sufficient and necessary for GEX1 function during the development of male and female gametophytes. It forms homodimers at the plasma membrane through its cytoplasmic domain, which is necessary for early embryogenesis.
Title: Arabidopsis thaliana GEX1 has dual functions in gametophyte development and early embryogenesis.
The expression of GEX1 during pollen development is reported.
Title: Green sperm. Identification of male gamete promoters in Arabidopsis.

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General gene information

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NM_001345127.1

Supported by ESTs:

NM_001345128.1

Supported by ESTs:

NM_001345132.1

Supported by ESTs:

NM_124931.2

Supported by ESTs:

Gene Ontology Provided by TAIR

Function	Evidence Code	Pubs
enables identical protein binding	IDA Inferred from Direct Assay more info	PubMed

Process	Evidence Code	Pubs
involved_in embryo development ending in seed dormancy	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in embryo sac development	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in pollen development	IMP Inferred from Mutant Phenotype more info	PubMed

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

General protein information

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Preferred Names: gamete expressed protein 1

NP_001318802.1

gamete expressed protein 1 (GEX1); Has 7985 Blast hits to 6093 proteins in 809 species: Archae - 118; Bacteria - 1642; Metazoa - 3258; Fungi - 589; Plants - 254; Viruses - 18; Other Eukaryotes - 2106 (source: NCBI BLink).

NCBI Reference Sequences (RefSeq)

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Genome Annotation

The following sections contain reference sequences that belong to a specific genome build. Explain

Reference assembly

Genomic

NC_003076.8 Reference assembly

Range

22478712..22481937 complement

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GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

NM_001345133.1 → NP_001330005.1 gamete expressed protein 1 [Arabidopsis thaliana]

Status: REVIEWED

UniProtKB/TrEMBL

A0A1P8B9F7, A0A5S9YGL5, A0A654GBE7
NM_001345134.1 → NP_001330002.1 gamete expressed protein 1 [Arabidopsis thaliana]

Status: REVIEWED

UniProtKB/TrEMBL

A0A1P8B9F8

Conserved Domains (1) summary

COG1196
Location:146 → 408

Smc; Chromosome segregation ATPase [Cell cycle control, cell division, chromosome partitioning]
NM_001345129.1 → NP_001330007.1 gamete expressed protein 1 [Arabidopsis thaliana]

Status: REVIEWED

UniProtKB/TrEMBL

A0A1P8B9F8

Conserved Domains (1) summary

COG1196
Location:146 → 408

Smc; Chromosome segregation ATPase [Cell cycle control, cell division, chromosome partitioning]
NM_001345130.1 → NP_001330004.1 gamete expressed protein 1 [Arabidopsis thaliana]

Status: REVIEWED

UniProtKB/TrEMBL

A0A178ULD8, A0A1P8B9H8, A0A384KFV4
NM_001345131.1 → NP_001330003.1 gamete expressed protein 1 [Arabidopsis thaliana]

Status: REVIEWED

UniProtKB/TrEMBL

A0A178ULD8, A0A1P8B9H8, A0A384KFV4
NM_001345127.1 → NP_001318802.1 gamete expressed protein 1 [Arabidopsis thaliana]

Status: REVIEWED

UniProtKB/Swiss-Prot

Q49L63, Q681K7, Q9FJ61

UniProtKB/TrEMBL

A0A5S9YGL5, A0A654GBE7
NM_124931.2 → NP_200360.2 gamete expressed protein 1 [Arabidopsis thaliana]

See identical proteins and their annotated locations for NP_200360.2

Status: REVIEWED

UniProtKB/Swiss-Prot

Q49L63, Q681K7, Q9FJ61

UniProtKB/TrEMBL

A0A5S9YGL5, A0A654GBE7

Conserved Domains (1) summary

pfam11172
Location:337 → 389

DUF2959; Protein of unknown function (DUF2959)
NM_001345132.1 → NP_001330006.1 gamete expressed protein 1 [Arabidopsis thaliana]

Status: REVIEWED

UniProtKB/TrEMBL

A0A1P8B9F8

Conserved Domains (1) summary

COG1196
Location:146 → 408

Smc; Chromosome segregation ATPase [Cell cycle control, cell division, chromosome partitioning]
NM_001345128.1 → NP_001330008.1 gamete expressed protein 1 [Arabidopsis thaliana]

Status: REVIEWED

UniProtKB/TrEMBL

A0A178ULD8, A0A1P8B9H8, A0A384KFV4