Thionin

Thionins are small, basic plant proteins, 45 to 50 amino acids in length, which include three or four conserved disulphide linkages. The proteins are toxic to animal cells, presumably attacking the cell membrane and rendering it permeable: this results in the inhibition of sugar uptake and allows potassium and phosphate ions, proteins, and nucleotides to leak from cells [PMID: 3985614]. Thionins are mainly found in seeds where they may act as a defence against consumption by animals. A barley (Hordeum vulgare) leaf thionin that is highly toxic to plant pathogens and is involved in the mechanism of plant defence against microbial infections has also been identified [PMID: 1377959]. The hydrophobic protein crambin from the Abyssinian kale (Crambe abyssinica) is also a member of the thionin family [PMID: 3985614].

The below sequences were used to create Thionin sequence signatures:

> ThioninH_10 | CAMPSQ137 | P07504 | 135798
KSCCRNTWARNCYNVCRLPGTISREICAKKCDCKIISGTTCPSDYPK
> ThioninH_10 | CAMPSQ946 | P09618 | 2507457
KSCCKDTLARNCYNTCRFAGGSRPVCAGACRCKIISGPKCPSDYPK
> ThioninH_10 | CAMPSQ2796 | |
KSCCRNTTARNCYNVCRIPG
> ThioninH_10 | CAMPSQ2801 | |
KSCCRNTVARNCYNVCRIPGTPRPVCAATCDCKLITGTKCPPGYEK
> ThioninH_10 | CAMPSQ2980 | |
RNCESLSHRFKGPCTRDSN
> ThioninH_10 | CAMPSQ3709 | P01544 | 350008
KSCCRSTLGRNCYNLCRARGAQKLCAGVCRCKISSGLSCPKGFPK
> ThioninH_10 | CAMPSQ3710 | P01543 | 229588
KSCCKSTLGRNCYNLCRARGAQKLCANVCRCKLTSGLSCPKDFPK
> ThioninH_10 | CAMPSQ12194 | |
QETIKVGAKSCCPTTTARNIYNACRFAHGTRERCSKLSGCKIVDGKCKPPYIHHTLHPES
EELDVLDFCMLGCTSSVCSNINTFAGNEEGNGAVERCNEACYHFCNKEADIVTIVS
> ThioninH_10 | CAMPSQ12199 | |
KEICCKVPTTPFLCTNDPQCKTLCSKVNTEDGNCFDILSK
> ThioninH_10 | CAMPSQ13421 | |
KSCCKSTVGRNCYNACRLKFARQVCASTCSCKIVGGNRCPPGYPK

The below sequences were retrieved using Thionin sequence signatures:

> ThioninH_10 | CAMPSQ137 | P07504 | 135798
KSCCRNTWARNCYNVCRLPGTISREICAKKCDCKIISGTTCPSDYPK
> ThioninH_10 | CAMPSQ946 | P09618 | 2507457
KSCCKDTLARNCYNTCRFAGGSRPVCAGACRCKIISGPKCPSDYPK
> ThioninH_10 | CAMPSQ2748 | P01539 |
KSCCPTTTARNIYNTCRFGGGSRPVCAKLSGCKIISGTKCDSGWNH
> ThioninH_10 | CAMPSQ3709 | P01544 | 350008
KSCCRSTLGRNCYNLCRARGAQKLCAGVCRCKISSGLSCPKGFPK
> ThioninH_10 | CAMPSQ3710 | P01543 | 229588
KSCCKSTLGRNCYNLCRARGAQKLCANVCRCKLTSGLSCPKDFPK
> ThioninH_10 | CAMPSQ6376 | P01537 | 135781
KSCCPBTTGRBIYBTCRFGGGSRZVCARISGCKIISASTCPSYPBK
> ThioninH_10 | CAMPSQ6377 | P01540 | 135796
KSCCPSTTARNIYNTCRLTGTSRPTCASLSGCKIISGSTCBSGWBH
> ThioninH_10 | CAMPSQ6378 | P01541 | 135795
KSCCPTTAARNQYNICRLPGTPRPVCAALSGCKIISGTGCPPGYRH
> ThioninH_10 | CAMPSQ6379 | P01545 | 19110
MVCLLILGLVLEQVQVEGKSCCRSTLGRNCYNLCRVRGAQKLCAGVCRCKLTSSGKCPTG
FPKLALVSNSDEPDTVKYCNLGCRASMCDYMVNAAADDEEMKLYLENCGDACVNFCNGDA
GLTSLTA
> ThioninH_10 | CAMPSQ6383 | P08772 | 1351242
MAPSKSIKSVVICVLILGLVLEQVQVEGKSCCKDTLARNCYNTCHFAGGSRPVCAGACRC
KIISGPKCPSDYPKLNLLPESGEPDVTQYCTIGCRNSVCDNMDNVFRGQEMKFDMGLCSN
ACARFCNDGAVIQSVEA
> ThioninH_10 | CAMPSQ6384 | P08943 | 135791
FRNVESKSCCPNTTGRNIYNTCRLGGGSRERCASLSGCKIISASTCPSDYPKFYCTLGCQ
SSKCASITTPPNSEVDAEAVRCKAACSNLCDFGVTTNQEIQDD
> ThioninH_10 | CAMPSQ6385 | P09617 | 167106
MATNKSIKSVVICVLILGLVLEQVQVEAKSCCKNTTGRNCYNACRFAGGSRPVCATACGC
KIISGPTCPRDYPKLNLLPESGEPNATEYCTIGCRTSVCDNMDNVSRGQEMKFDMGLCSN
ACARFCNDGEVIQSVEA
> ThioninH_10 | CAMPSQ6389 | P21742 | 401185
MGSKGLKGVMVCLLILGLVLEHVQVEGKSCCRSTLGRNCYNLCRVRGAQKLCANACRCKL
TSGLKCPSSFPKLALVSNSDEPDTIDYCNLGCRASMCDYMVNAAADDEEMKLYVEHCSDA
CVNFCNGDVGLTSLTA
> ThioninH_10 | CAMPSQ6395 | P32032 | 401184
MGSKGLKGVMVCLLILGLVLEQVQVEGKSCCRTTLGRNCYNLCRSRGAQKLCSTVCRCKL
TSGLSCPKGFPKLALESNSDEPDTIEYCNLGCRSSVCDYMVNAAADDEEMKLYVENCGDA
CVNFCNGDAGLTSLDA
> ThioninH_10 | CAMPSQ6422 | P60057 | 400261049
KSCCRNTLARNCYNACRFTGGSQPTCGILCDCIHVTTTTCPSSHPS
> ThioninH_10 | CAMPSQ6593 | Q42596 | 21554677
MKGRILILSLLIMSLVMAQVQVEAKICCPSNQARNGYSVCRIRFSKGRCMQVSGCQNSDT
CPRGWVNAILENSADATNEHCKLGCETSVCGAMNTLQNSDASEIVNGASEQCAKGCSIFC
TKSYVVPPGPPKLL
> ThioninH_10 | CAMPSQ6594 | Q42597 | 21553588
MEGKTVISSLLIMSLVLAQIQVEAKICCPTKDDRSVYFVCMLSVSSQFYCLLKSKCKNTS
QTICPPGYTNDILENSGDAVNEYCKLGCASSVCGALTTLQNFDTSKVLSEAVEQCTKACS
SVCTGGSTAAVKSA
> ThioninH_10 | CAMPSQ6595 | Q42838 | 44888362
MATNKSIKSVVICVLILGLVLEQVQVEGKSCCKNTTGRNCYNACRFAGGSRPVCATACGC
KIISGPTCPRDYPKLNLLPESGEPNVTEYCTIGCRTSVCDNMDNVSRGQEMKFDMGLCSN
ACARFCNDGEVIQSVEA
> ThioninH_10 | CAMPSQ6788 | Q8H0Q5 | 44888508
MATNKSIKSVVICVLILGLVLEQVQVEGKSCCKNTTGRNCYNACHFAGGSRPVCATACGC
KIISGPTCPRDYPKLNLLPESGEPNATEYCTIGCRTSVCDNMDNVSRGQEMKFDMGLCSN
ACARFCNDGDVIQSVEA
> ThioninH_10 | CAMPSQ6816 | Q8VZK8 | 62320644
MEGKTVIFSVLVMGLVISQIQVEAQKTCCPSQSTRKEFEDCISEGNLQILCSAESGCRDT
YVGYCPSGFPYGSLTNSGDVVNVYCKLGCVSSLCGALTSLQKLDTSGKVNVAVERCTKAC
STICTKGSKTAVETV
> ThioninH_10 | CAMPSQ6844 | Q9C8D6 | 44888531
MEGKTLIVSVLIMSLFMAQNQVDANICCPSIQARTFYNACLFAVGSPSSCIRNSSCLDIS
ESTCPRGYTNDILENTGDAVTEYCKLGCVSSVCGALTILQNSDASEIVNGEVEKCTMACS
TVCTKGSMNAVENA
> ThioninH_10 | CAMPSQ6876 | Q9SBK8 | 44888334
MEGKTVILGVIIMSLVMAQNQVEAKICCPRTIDRNIYNACRLTGASMTNCANLSGCKIVS
GTTCPPGYTHDILQNYGDAVNEYCKLGCASSVCGALTTLKNSMQVNCEGAVSQCTNACSN
FCTKGSAKVVETA
> ThioninH_10 | CAMPSQ15529 | C0HJH9 |
KSCCKNTLGRNCYNTCRFMKKPRKTCSGLCGCKIS
> ThioninH_10 | CAMPSQ15530 | C0HJI0 |
KSCCKNTLGRNCYNTCRFIKKPRKTCAGLCGCKIS
> ThioninH_10 | CAMPSQ15805 | P01538 |
MEVVRGSSLVLLVLLLGALLVSQVESKSCCPNTTGRNIYNACRLTGAPRPTCAKLSGCKI
ISGSTCPSDYPKFYCTLGCESSQCATNSNGDAEAVRCKTACSDLCQDVDDA
> ThioninH_10 | CAMPSQ15806 | P01542 |
TTCCPSIVARSNFNVCRLPGTPEALCATYTGCIIIPGATCPGDYAN
> ThioninH_10 | CAMPSQ15924 | P32880 |
KSCCPNTTGRNIYNTCRFGGGSREVCASLSGCKIISASTCPSYPDK
> ThioninH_10 | CAMPSQ15963 | P59358 |
KSCCPSTTARNIYNTCRLTGASRSVCASLSGCKIISGSTCDSGWNH
> ThioninH_10 | CAMPSQ16033 | P83554 |
KSCCPNTTGRNIYNTCRFAGGSRERCAKLSGCKIISASTCPSDYPK
> ThioninH_10 | CAMPSQ16058 | Q05806 |
MGGGQKGLESAIVCLLVLGLVLEQVQVEGVDCGANPFKVACFNSCLLGPSTVFQCADFCA
CRLPAGLASVRSSDEPNAIEYCSLGCRSSVCDNMINTADNSTEEMKLYVKRCGVACDSFC
KGDTLLASLDD
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