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general stress protein, required for ribosome dimerization in the stationary phase, protects essential ribosomal proteins ([protein|F1969E4C7BAAF70BCBE570F58350C12A3E417539|S2] and [protein|E7F4E01A6005C8469EAC64E8DFED96D0F29791A9|S3])
function
protection of essential ribosomal proteins ([protein|F1969E4C7BAAF70BCBE570F58350C12A3E417539|S2] and [protein|E7F4E01A6005C8469EAC64E8DFED96D0F29791A9|S3])
product
ribosome hibernation promoting factor
Genomic Context
categories
[category|SW 4|Lifestyles] → [category|SW 4.3|Coping with stress] → [category|SW 4.3.1|General stress proteins (controlled by SigB)][category|SW 4|Lifestyles] → [category|SW 4.3|Coping with stress] → [category|SW 4.3.8|Resistance against oxidative and electrophile stress][category|SW 6|Groups of genes] → [category|SW 6.4|Phosphoproteins] → [category|SW 6.4.1|Phosphorylation on an Arg residue]Gene
Coordinates
3,631,003 3,631,572
Phenotypes of a mutant
the mutant is cold-sensitivedelayed recovery from stationary phase and delayed [SW|germination] [Pubmed|26743942]The protein
Catalyzed reaction/ biological activity
[protein|search|Hpf ]binds the 30S subunits of hibernating [SW|ribosome]s, dimerization of [protein|search|Hpf ]results in 100S [SW|ribosome ]dimer formation [pubmed|28468753,26743942]Protein family
HPF/YfiA ribosome-associated protein family (single member, according to UniProt)Modification
phosphorylated on Arg-6 [Pubmed|22517742]Structure
[PDB|2YWQ] (N-terminal domain, from ''Thermus thermophilus'', 32% identity)[PDB|3K2T] (C-terminal domain, from ''Listeria monocytogenes'', 75% identity)[PDB|5NJT] (Hpf as part of the 100S [SW|ribosome]) [pubmed|28468753][SW|Localization]
cytoplasm (according to UniProt)Expression and Regulation
Operons
genes
[gene|4DBF4635B5C5A7541E8F97440D139DAA02547B99|yvyC]-[gene|C6012DEA301DF5B2DDD7E673A736BD3E5163F209|fliD]-[gene|4882FAD988FEDD0E72E4CAFB10C8DE61DDAC23B0|fliS]-[gene|4DE156D248FAF7DE3ED9AC35F006B5319A3C1BDA|fliT]-[gene|A6E7212D159F076F5D26F9C02F340B40C3667623|smiA]-[gene|06FEA5F205B40DD5CF8D9F1328E940D4543F4741|S1350]-[gene|37B8B671B84266A7D65B90A9077A0DFF458D1851|hpf]
description
[pubmed|22383849]
sigma factors
[protein|7024E4162A6D827069F882FDEACA696EBC05DD40|SigD]: sigma factor, [Pubmed|26577401], in [regulon|7024E4162A6D827069F882FDEACA696EBC05DD40|SigD regulon]view in new tabgenes
[gene|37B8B671B84266A7D65B90A9077A0DFF458D1851|hpf]
description
[Pubmed|9852014]
sigma factors
[protein|580011DE5DC40EC9E7E0512791D328FAA010DCB8|SigB]: sigma factor, [Pubmed|9852014,15805528], in [regulon|580011DE5DC40EC9E7E0512791D328FAA010DCB8|SigB regulon][protein|DC3449D5F195E5C2E9E14FEC95396C8F1FDF73B4|SigH]: sigma factor, [Pubmed|9852014], in [regulon|DC3449D5F195E5C2E9E14FEC95396C8F1FDF73B4|SigH regulon]regulatory mechanism
[protein|638D6D2FCCA2A167EFED05CB4E60C2D78D5319AE|PhoP]: activation, [Pubmed|25666134], in [regulon|638D6D2FCCA2A167EFED05CB4E60C2D78D5319AE|PhoP regulon]regulation
expressed in the stationary phase [Pubmed|26743942]view in new tabBiological materials
Mutant
BKE35310 ([gene|37B8B671B84266A7D65B90A9077A0DFF458D1851|hpf]::erm trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKE35310 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATCAAAGAACGCCTCCCTT, downstream forward: _UP4_TAATGAAGAGAAGCCTTCCGBKK35310 ([gene|37B8B671B84266A7D65B90A9077A0DFF458D1851|hpf]::kan trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKK35310 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATCAAAGAACGCCTCCCTT, downstream forward: _UP4_TAATGAAGAGAAGCCTTCCGGP2598 ([gene|37B8B671B84266A7D65B90A9077A0DFF458D1851|hpf]::tet comIQ12L) (in DK1042) available in [SW|Jörg Stülke]'s labReferences
22517742,26743942,9852014,15805528,25666134,12107147,23663662,28468753,28468753,30619132,31604775,32123037