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Gene : HB1 A. thaliana

Gene ID  ? AT2G16060
Brief Description  hemoglobin 1  Source: Araport11 (06/2016).
Is Obsolete?  false
Computational Description  ? hemoglobin 1 (HB1); FUNCTIONS IN: oxygen binding; INVOLVED IN: response to hypoxia; LOCATED IN: cell wall, plasma membrane; EXPRESSED IN: 22 plant structures; EXPRESSED DURING: 14 growth stages; CONTAINS InterPro DOMAIN/s: Leghaemoglobin (InterPro:IPR001032), Globin-like (InterPro:IPR009050), Leghaemoglobin, iron-binding site (InterPro:IPR019824), Globin, subset (InterPro:IPR000971), Globin (InterPro:IPR012292); BEST Arabidopsis thaliana protein match is: haemoglobin 2 (TAIR:AT3G10520.1).  Source: TAIR, Jun 30, 2015.
Curator Summary  ? Encodes a class 1 nonsymbiotic hemoglobin induced by low oxygen levels with very high oxygen affinity. It is not likely to be a hemoglobin transporter because of its extremely high affinity for oxygen. Overexpression impairs cold stress-induced nitric oxide (NO) production.  Source: TAIR, Jun 30, 2015.
Name  ? hemoglobin 1
  • synonyms:
  • hemoglobin 1,
  • CLASS I HEMOGLOBIN,
  • ARATH GLB1,
  • GLB1,
  • AHB1,
  • NSHB1,
  • ATGLB1

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6 GeneRIFs (Gene References Into Functions)

Data Source: NCBI

Annotation PubMed Id
The structures of AHb1 and AHb2, modeled on the basis of the homologous rice hemoglobin, exhibit a different cavity system that is fully compatible with the observed ligand binding kinetics 17298064
Finding strongly supports the idea that AHb1 and AHb2 have distinct physiological functions. 17555890
the nature and distribution of internal cavities in the protein matrix 19954242
Rebinding of NO ligands was observed only from site B of AHb1, regardless of conformation. 20666470
AtHb1 overexpression led to several alterations in transcriptional and metabolic networks, resulting in improved seed yield. 21406103
Findings provide evidence supporting the functional implications of the conformational rearrangement found for the distal histidine in AHb1, which mimics the gating role proposed for the same residue in myoglobin. 21428382

Genomics

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12 Flanking Regions

Flank size: from most upstream transcription start site, or most downstream transcription stop site

Region Name Flank Size Direction Length Gene Included? Chromosome Location
AT2G16060 0.5kb upstream 0.5kb upstream 1747   true Chr2: 6982531-6984277
AT2G16060 0.5kb upstream 0.5kb upstream 500   false Chr2: 6983778-6984277
AT2G16060 0.5kb downstream 0.5kb downstream 1747   true Chr2: 6982031-6983777
AT2G16060 0.5kb downstream 0.5kb downstream 500   false Chr2: 6982031-6982530
AT2G16060 1.0kb upstream 1.0kb upstream 2247   true Chr2: 6982531-6984777
AT2G16060 1.0kb upstream 1.0kb upstream 1000   false Chr2: 6983778-6984777
AT2G16060 1.0kb downstream 1.0kb downstream 2247   true Chr2: 6981531-6983777
AT2G16060 1.0kb downstream 1.0kb downstream 1000   false Chr2: 6981531-6982530
AT2G16060 3.0kb upstream 3.0kb upstream 4247   true Chr2: 6982531-6986777
AT2G16060 3.0kb upstream 3.0kb upstream 3000   false Chr2: 6983778-6986777
AT2G16060 3.0kb downstream 3.0kb downstream 4247   true Chr2: 6979531-6983777
AT2G16060 3.0kb downstream 3.0kb downstream 3000   false Chr2: 6979531-6982530

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0 Pathways

Data Source: KEGG

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10 Data Sets

Name Description Version
BAR Annotations Lookup Mapping(s) between AGI locus and Affy Probeset identifier 10/08/2013
Genome Annotation Araport11 protein-coding, non-coding and transposable element genes Araport11 (06/2016)
RNA-seq expression Measure of gene expression levels (Transcripts per Million, TPM) quantified by Salmon Araport11 (06/2016)
PubMed to gene mapping Curated associations between publications and NCBI Gene records 8/12/2016
GO Annotation from TAIR GO annotations assigned by TAIR 8/01/2016
PO Annotation from TAIR Literature-based annotations of genes to Plant Ontology (PO) terms 06/30/2015
Swiss-Prot data set High-quality, manually annotated, non-redundant protein sequence database 2016_07
Panther data set PANTHER paralogs from Arabidopsis 11.0
GeneRIF Concise phrase describing gene function and publication associated with NCBI Gene records 8/12/2016
BioGRID interaction data set Curated set of genetic and physical interactions for Arabidopsis thaliana 3.4.139