Full list of Cell-Penetrating Peptides

Table 1 Selection of cell-penetrating peptides

(Reference: https://doi.org/10.1007/978-981-13-8747-0, Ülo Langel, CPP, Cell-Penetrating Peptides, 2019)

Name Sequence
2 DSLKSYWYLQKFSWR (Kondo et al. 2012)
18A DWLKAFYDKVAEKLKEAF (Datta et al. 2000)
α1H KSKTEYYNAWAVWERNAP (Gomarasca et al. 2017)
α2H GNGEQREMAVSRLRDCLDRQA (Gomarasca et al. 2017)
A22p HTPGNSNKWKHLQENKKGRPRR (Shin et al. 2014)
Ac-18A-NH2 DWLKAFYDKVAEKLKEAF) (Wimley and White 2000)
aCPP Typical sequence R9GPLGLAGE8 (Li et al 2015)
AdVpVI(33-55) Ac-GAFSWGSLWSGIKNFGSTVKNYG (Murayama et al. 2016)
AIP6 RLRWR (Wang et al. 2011)
all-d DsC18 Glrkrlrkfrnkikek (Bergmann et al. 2017)
αgliadin(31-43) LGQQQPFPPQQPY (Paolella et al. 2018)
Alyteserin-2a ILGKLLSTAAGLLSNL (Conlon et al. 2013)
ANG TFFYGGSRGKRNNFKTEEY (Demeule et al. 2008)
ApoE(141–150) Ac-LRKLRKRLLRX-Bpg-G (Shabanpoor et al. 2017)
ApoE-derived Ac-LRKLRKRLLR (Tailhades et al. 2017)
Arf(1-22) MVRRFLVTLRIRRACGPPRVRV (Johansson et al. 2008)
AT1002 FCIGRL (Gopalakrishnan et al. 2009)
AT1AR(304-318) FLGKKFKKYFLQLLK (Östlund et al. 2005)
Bac7 RRIRPRPPRLPRPRPRPLPFPRPGPRPIPRPL (Sadler et al. 2002)
BGPC7-FHV RRRRNRTRRNRRRVR-RRFYGPV (Wongso et al. 2017)
Bim EIWIAQELRRIGDEFNAYYARLLC (Kim et al. 2017)
BP16 KKLFKKILKKL (Soler et al. 2014)
BP100 KKLFKKILKYL (Eggenberger et al. 2009)
BPP13a GGWPRPGPEIPP (Sciani et al. 2017)
bPrPp(1-30) MVKSKIGSWILVLFVAMWSDVGLCKKRPKP (Magzoub et al. 2006)
BR2 RAGLQFPVGRLLRRLLR (Lim et al. 2013)
Buforin II TRSSRAGLQFPVGRVIIRLLRK (Park et al.1998)
Buforin IIb RAGLQFPVG[RLLR]3 (Lee et al. 2008)
C6M1 RLWRLLWRLWRRLWRLLR (Jafari et al. 2014)
C105Y CSIPPEVKFNKPFVYLI (Rhee and Davis 2006)
CADY GLWRALWRLLRSLWRLLWRA cycteamide (Crombez et al. 2009a)
CAR CARSKNKDC (Toba et al. 2014)
CA-Tat KWKLFKKYGRKKRRQRRR (Lv et al. 2017)
CB5005 M KLKLALALALA (Zhang et al. 2016)
CDB3 REDEDEIEW (Issaeva et al. 2003)
CendR RPARPAR (Hu et al. 2014)
cF<tR4 cyclic F<tRRRRQ (Qian et al. 2014)
CGKRK CGKRK (Griffin et al. 2017)
CIGB-300 cyclic CWMSPRHLGTC-Tat (Perera et al. 2012)
CIGB-552 Ac-HARIKpTFRRlKWKYKGKFW (Fernandez Masso et al. 2013)
CLIP6 KVRVRVRVpPTRVRERVK (Soudah et al. 2017)
CooP ACGLSGLGVA (Hyvonen et al. 2014)
CpMTP ARLLWLLRGLTLGTAPRRA (Jain and Chugh 2016)
CPNT STSGTGKMTRAQRRAAARRNRA (Qi et al. 2011)
CPP1 (KFF)3K (Patel et al. 2017)
CPP33 RLWMRWYSPRTRAYG (Lin et al. 2018)
CPP-C PIEVCMYREP (Nakayama et al. 2011)
CPPecp NYRWRCKNQN (Fu et al. 2017)
C-peptide GPGLWERQAREHSERKKRRRESECKAA (Fan et al. 2016)
CRGDK CRGDK (Zhao et al. 2018)
Crotamine YKQCHKKGGHCFPKEKICLPPSSDFGKMDCRWRWKCCKKGSG (Rodrigues et al. 2012)
cSN50 AAVALLPAVLLALLAPVQRKRQKLMP (Torgerson et al. 1998)
65-2CTS CPYVNQRPQKARYRNG (Percipalle et al. 2003)
CWR8K CWR8K (Sasaki et al. 2008)
CyLoP-1 CRWRWKCCKK (Ponnappan et al. 2017)
Cyt c(77–101) GTKMIFVGIKKKEERADLIKKA (Howl and Jones 2015)
DAG cyclic CDAGRKQKC (Mann et al. 2017)
D-JNKI-1 RPKRPTTLNLFPQVPRSQDT (Bonny et al. 2001)
DK17 DRQIKIWFQNRRMKWKK (Bera et al. 2016)
DLP ACKTGSHNQCG (Kumar et al. 2015)
DMBT1-derived GRVEVLYRGSW and GRVRVLYRGSW (Tuttolomondo et al. 2017)
dNP2 KIKKVKKKGRK-KIKKVKKKGRK (Lim et al. 2015)
DPV3 RKKRRRESRKKRRRES (Tacken et al. 2008)
DPV1047 CVKRGLKLRHVRPRVTRMDV (De Coupade et al. 2005)
DRTTLTN DRTTLTN (Gennari et al. 2016)
DS4.3 RIMRILRILKLAR (Jeong et al. 2014)
Dynorphin A YGGFLRRIRPKLKWDNQ (Marinova et al. 2005)
EA GLKKLAELAHKLLKLGC (Yang et al. 2014)
EB1 LIRLWSHLIHIWFQNRRLKWKKK (Lundberg et al. 2007)
EF GLKKLAELFHKLLKLGC (Yang et al. 2014)
EHB RCSHYTGIRCSHMAATTAGIYTGIRCQHVVL-C6H (Cao et al. 2018)
EPRNEEK EPRNEEK (Orihuela et al. 2009)
F3** diphosphorylated dipeptide (Miao et al. 2016)
G4R9L4 G4R9L4 (Ramakrishna et al. 2014)
GALA WEAALAEALAEALAEHLAEALAEALEALAA (Li et al. 2004)
GeT KIAKLKAKIQKLKQKIAKLK (Rakowska et al. 2014)
gH625 HGLASTLTRWAHYNALIRAF (Galdiero et al. 2015)
Gi3α(346-355) KNNLKECGLY (Jones et al. 2005)
Glu-Lys EEEAAKKK (Lewis et al. 2010)
GV1001 EARPALLTSRLRFIPK (Kim et al. 2016a)
GWH1 GYNYAKKLANLAKKFANALW (Serna et al. 2017)
H2A derived SGRGKQGGKARAKAKTRSSRAGLQFPVGRVHRLLRKG (Rosenbluh et al. 2004)
H6R6 H6R6 (Sun et al. 2017)
H16 H16 (Iwasaki et al. 2015)
HA2(1-23) GLFGAIAGFIENGWEGMIDGWYG (Esbjörner et al. 2007)
HAIYPRH HAIYPRH (Shteinfer-Kuzmine et al. 2017)
hBD3-3 GKCSTRGRKCCRRKK (Lee et al. 2015b)
HBP GKRKKKGKGLGKKRDPCLRKYK (Luo et al. 2016)
hLF KCFQWQRNMRKVRGPPVSCIKR (Duchardt et al. 2009)
Hph-1 YARVRRRGPRR (Jung et al. 2011)
HR9 CH5-R9-H5C (Liu et al. 2013a)
Hst5 DSHAKRHHGYKRKFHEKHHSHRGY (Luque-Ortega et al. 2008)
I1WL5W WKKIWSKIKKLLK (Bi et al. 2014)
I4WL5W IKKWWSKIKKLLK (Bi et al. 2014)
ID No.2 MAAWMRSLFSPLKKLWIRMH (Eudes and Macmillan 2014)
IMT-P8 RRWRRWNRFNRRRCR (Gautam et al. 2016)
INF GLFEAIEGFIENGWEGMIDGWYGC (Pichon et al. 1997)
iNGR CRNGRGPDC (Alberici et al. 2013)
isl-1 RVIRVWFQNKRCKDKK (Kilk et al. 2001)
JB9 cskc (Basu and Wickstrom, 1997)
JB434 R9GGLAA-Aib-SGWKH6 (Sangtani et al. 2018)
KAFAK KAFAKLAARLYRKALARQLGVAA (Bartlett et al. 2013)
KALA WEAKLAKALAKALAKHLAKALAKALKACEA (Wyman et al. 1997)
Kalata B1 polycyclic CGETCVGGTCNTPGCTCSWPVCTRNGLPV (Daly et al. 1999)
(KFF)3K (KFF)3K (Rownicki et al. 2017)
K-FGF AAVLLPVLLAAP (Lin et al. 1995)
KH (KH)9 (Chuah et al. 2016)
KLA KLAKLAKKLAKLAK (Huang et al. 2017)
KLAK KLALKLALKALKAALKLA (Oehlke et al. 1998)
KLA-R7 KLAKLAKKLAKLAKGGRRRRRRR (Lemeshko, 2013)
KP MAPTKRKGSCPGAAPNKKP (Villa-Cedillo et al. 2017)
KST peptide STGKANKITITNDKGRLSK (Adachi et al. 2017)
L1−6 PLILLRLLR (Schmidt et al. 2017)
L5a RRWQW (Liu et al. 2016a)
L17E IWLTALKFLGKHAAKHEAKQQLSKL (Akishiba et al. 2017)
lactoferrampin(265- 284) DLIWKLLSKAQEKFGKNKSR (Reyes-Cortes et al. 2017)
lactoferricin(17-30) FKCRRWQWRMKKLG (Reyes-Cortes et al. 2017)
lactoferrin(19-40) KCFMWQEMLNKAGVPKLRCARK (Duchardt et al. 2009)
LAH1 KKLALALALALHALALALALKKA (Moulay et al. 2017)
LALF(31-52) HYRIKPTFRRLKWKYKGKFW (Yanez et al. 2017)
LB FKCRRWQWRMKKLGAPSITCVRRAF) (Liu et al. 2013b)
L-CPP LAGRRRRRRRRRK (Liu et al. 2006)
LDP-NLS KWRRKLKKLRPKKKRKV (Ponnappan and Chugh, 2017)
LE10 LELELELELELELELELELE (Antunes et al. 2013)
LF chimera FKCRRWQWRMKKLG-K-RSKNKGFKEQAKSLLKWILD (Reyes-Cortes et al. 2017)
linTT1 AKRGARSTA (Hunt et al. 2017)
LK LKKLLKLLKKLLKLAG (Kim et al. 2016b)
LL37 LLGDFFRKSKEKIGKEFKRIVQRIKDFLRNLVPRTES (Kim et al. 2016b)
LLIIL LLIIL (Alaybeyoglu et al. 2017)
LMWP VSRRRRRRGGRRRR (Chen et al. 2017d)
LP-12 HIITDPNMAEYL (Kumar et al. 2015)
LPAs RCnRCnK (Gupta et al. 2011)
LTV LTVSPWY (Chopra 2012)
lycosin-I RKGWFKAMKSIAKFIAKEKLKEHL (Tan et al. 2017)
Lyp1 CGNKRTRGC (Fogal et al. 2008)
M918 MVTVLFRRLRIRRACGPPRVRV (El-Andaloussi et al. 2007)
Maurocalcine GDCLPHLKLCKENKGCCSKKCKRRGTNIEKRCR (Poillot et al. 2010)
MAP KLALKLALKALKAALKLA (Oehlke et al. 1998)
MAP12 LKTLTETLKELTKTLTEL (Oehlke et al. 2002)
MCoTI-I polycyclic SGSDGGVCPKILQRCRRDSDCPGACICRGNGYCG (Camarero, 2017)
MCoTI-II polycyclic CPKILKKCRRDSDCPGACICRGNGYCGSGSDGGV (Huang et al. 2015)
MFK MFKLRAKIKVRLRAKIKL (Samuels et al. 2017)
Mgpe9 CRRLRHLRHHYRRRWHRFRC (Vij et al. 2016a)
MitP INLKKLAKL(Aib)KKIL (Howl et al. 2018)
m(KLA)-iRGD klaklakklakla-K-GG-iRGD (Qifan et al. 2016)
MMGP1 MLWSASMRIFASAFSTRGLGTRMLMYCSLPSRCWRK (Pushpanathan et al. 2013)
MPER fragment ELDKWASLWNWFDITNWLWYIK (Song et al. 2009)
MPG GALFLGFLGAAGSTMGA cysteamide (Morris et al. 1997)
MPG GALFLGFLGAAGSTMGASQPKKKRKV cycteamide (Deshayes et al. 2005)
MPG-8 AFLGWLGAWGTMGWSPKKKRK (Crombez et al. 2009b)
mRVG YTIWMPENPRPGTPCDIFTKSRGKRASNGGGRRRRRRRRR (Villa-Cedillo et al. 2017)
MT23 LPKQKRRQRRRM (Zhou et al. 2017)
mtCPP1 r-Dmt-OF (Cerrato et al. 2015)
MTM AAVALLPAVLLALLAP (Fletcher et al. 2010)
MTD84 AVALVAVVAVA (Lim et al. 2014)
MTP MLSLRQSIRFFK (Chuah et al. 2015a, b)
MTS KGEGAAVLLPVLLAAPG (Zhao et al. 2001)
MTS1 AAVLLPVLLAAP (Rojas et al. 1998)
Mut3DPT-C9h VKKKKIKAEIKIYVETLDDIFEQWAHSEDL (de la Torre et al. 2017)
Myr-ApoE Myr-LRKLRKRLLR (Tajik-Ahmadabad et al. 2017)
New modalities Polycyclic, hairpin, stapled peptides for delivery (Valeur et al. 2017, Waldmann et al. 2017)
NF1 Stearyl-AGY(PO3)LLGKTNLKALAALAKKIL (Arukuusk et al. 2013)
NF51 δ-(Stearyl-AGYLLG)OINLKALAALAKKIL (Arukuusk et al. 2013)
NF55 δ-(Stearyl-AGYLLG)OINLKALAALAKAIL (Freimann et al. 2016)
NLS PKKKRKV (Yoneda et al. 1992).
NLS-StAx-h stapled RRWPRXILDXHVRRVWR (Dietrich et al. 2017)
NoLS KKRTLRKNDRKKRC (Yao et al. 2015)
Novicidin KNLRRIIRKGIHIIKKYF (Milosavljevic et al. 2016)
NPFSD VLTNENPFSDP (Gong et al. 2016)
NYAD-1 stapled ITFEDLLDYYGP (Zhang et al. 2008)
Oct4-PTD DVVRVWFCNRRQKGKR (Adachi et al. 2017)
P007 Ac-(RAhxR)4-Ahx-βAla (Greer et al. 2014)
P1 LRRWSLG (Peng et al. 2017b)
P2 WKRTLRRL (Peng et al. 2017b)
P3 YGRKKRRQR (Tan et al. 2006)
P7 RRMKWKK (Watson et al. 2017)
P11 YGRKKRRQRRR (Zhao et al. 2011)
P11 HSDVHK (Bang et al. 2011)
P11LRR P11LRR (Li et al. 2010)
P14LRR (PLPRPR)4 (Brezden et al. 2016)
p18 LSTAADMQGVVTDGMASG (Taylor et al. 2009)
P21 KRKKKGKGLGKKRDPCLRKYK (Dixon et al. 2016)
P28 LSTAADMQGVVTDGMASGLDKDYLKPDD, Leu50-Asp77 of azurin (Yamada et al. 2016)
p28 FLHSGTAVTCTYPALTPQWEGSDCTHRL (Signorelli et al. 2017)
p53 peptide MO6 Stapled TSF*EYWYLL* (Chee et al. 2014)
PAF26 Ac-rkkwfw (Lopez-Garcia et al. 2002)
PAS GKPILFF (Woldetsadik et al. 2017)
pCLIP6 KVRVRVRVpP(pT)RVRERVK (Chen et al. 2017b)
pD-SP5 riPRPSPKMGV(pS)VS (Chen et al. 2017b)
PenetraMax KWFKIQMQIRRWKNKR, L- and D- (Khafagy el et al. 2015)
Penetratin RQIKIWFQNRRMKWKK (Derossi et al. 1994)
Pep-1 KETWWETWWTEWSQPKKKRKV cysteamide (Morris et al. 1997)
pepM KLFMALVAFLRFLTIPPTAGILKRWGTI (Freire et al. 2014)
pepR LKRWGTIKKSKAINVLRGFRKEIGRMLNILNRRRR (Freire et al. 2014)
Pept1 PLILLRLLRGQF (Marks et al. 2011)
Peptide 599 GLFEAIEGFIENGWEGMIDGWYGGGGRRRRRRRRRK (Alexander-Bryant et al. 2015)
Pep42 Cyclic CTVALPGGYVRVC (Kim et al. 2006)
PepNeg SGTQEEY (Neves-Coelho et al. 2017)
PepFect6 Stearyl-AGYLLGK(εTMQ)INLKALAALAKKIL, PF6 (El-Andaloussi et al. 2011)
PepFect14 Stearyl- AGYLLGKLLOOLAAAALOOLL (Ezzat et al. 2011)
PG1 RGGRLCYCRRRFCVCVGR (Liu et al. 2013b)
pHLIP AEQNPIY-WARYADWLFTTPLLLLDLALLV-DADEGT (Andreev et al. 2010)
PHPs H6-H10 peptides (Kimura et al. 2017)
PIP1 RXRRXRRXRIKILFQNRRMKWKK (Ivanova et al. 2008)
Pip5e RXRRBRRXRILFQYRXRBRXRB (Betts et al. 2012)
Pip6a Ac-RXRRBRRXRYQFLIRXRBRXRB (Lehto et al. 2014)
POD CGGG(ARKKAAKA)4 (Dasari et al. 2017)
PR9 FFLIPKG-R9 (Liu et al. 2013a)
PTD YARVRRRGPRRR (Dong et al. 2016)
PTD3 R9-ETWWETWWTEW (Kizaka-Kondoh et al. 2009)
PTD4 YARAAARQARA (McCusker et al. 2007)
Poly-Arg Most popular R7 – R12 (Mitchell et al. 2000, Futaki, 2006)
pVEC LLIILRRRIRKQAHAHSK (Elmquist et al. 2001)
Pyrrhocoricin VDKGSYLPRPTPPRPIYNRN (Otvos et al. 2000)
R4K1 Stapled Ac-RRRRKS*LHRS*LQDS (Speltz et al. 2018)
R6dGR R6dGR (Wang et al. 2017)
R8 R8 (Wender et al. 2001)
R8-dGR R8dGR (Liu et al. 2016b)
R9-H4A2 Ac-YR9-HAHAHH (Okitsu et al. 2017)
R6W3 R6W3 (Bechara et al. 2013)
R10W6 R10W6 (Bechara et al. 2013)
RA9 RRAARRARR (Alhakamy et al. 2013)
RALA WEARLARALARALARHLARALARALRACEA (McCarthy et al. 2014)
RDP CKSVRTWNEI IPSKGCLRVG GRCHPHVNGG GRRRRRRRRC (Xiao et al. 2017)
REDV REDV (Yang et al. 2016)
RF GLKKLARLFHKLLKLGC (Yang et al. 2014)
cRGDfC Cyclic RGDfC (Wada et al. 2017)
iRGD Cyclic CRGDKGPDC (Peng and Kopecek, 2015)
RGE RGERPPR (Yu et al. 2017)
RH9 RRHHRRHRR (Alhakamy et al. 2013)
RL9 RRLLRRLRR (Alhakamy et al. 2013)
RL16 RRLRRLLRRLLRRLRR (Joanne et al. 2009)
RT53 RQIKIWFQNRRMKWKKAKLNAEKLKDFKIRLQYFARGLQV YIRQLRLALQGKT (Jagot-Lacoussiere et al. 2016)
RTP004 RKKRRQRRRG-K15-GRKKRRQRRR) (Lee et al. 2015a)
RV24 RRRRRRRRRGPGVTWTPQAWFQWV (Lo and Wang, 2012)
RVG YTIWMPENPRPGTPCDIFTNSRGKRASNG (Kumar et al. 2007)
RVG-9R YTIWMPENPRPGTPCDIFTNSRGKRASNGGGGRRRRRRRRR (Rassu et al. 2017)
RVG29 YTIWMPENPRPGTPCDIFTNSRGKRASNGGGGRRRRRRRRR (Villa-Cedillo et al. 2017)
RW9 RRWWRRWRR (Alhakamy et al. 2013)
RW16 RRWRRWWRRWWRRWRR (Jobin et al. 2013)
(RXR)4 (R-Ahx-R)4 (Saleh et al. 2010)
(rXr)4 (r-Ahx-r)4 (Vij et al. 2016b)
S155 VKKKKIKREI-KIAAQRYGRELRRMADEFHV (Haidar et al. 2017)
S4(13)-PV ALWKTLLKKVLKAPKKKRKV (Mano et al. 2007)
SAP VRLPPPVRLPPPVRLPPP (Pujals et al. 2006)
SAP(E) VELPPPVELPPPVELPPP (Martin et al. 2011)
all-D-SAP (vrlppp)3 (Pujals et al. 2007)
SAPSp-lipo stearyl-GGGGHGAHEHAGHEHAAGEHHAHE (Suzuki et al. 2017)
SAR6EW SAR6EW (Im et al. 2017)
sC18 GLRKRLRKFRNKIKEK (Oren et al. 1999)
(sC18)2 (GLRKRLRKFRNKIKEK)2 (Gronewold et al. 2017)
SMTP motif, LRLLR (Fuselier and Wimley, 2017)
SPACE Cyclic ACTGSTQHQCG (Hsu and Mitragotri, 2011)
SRCRP2-11 GRVEVLYRGSW (Tuttolomondo et al. 2017)
STR-KV H3K3V6 (Pan et al. 2016)
SS-02 Dmt-r-FK (Alta et al. 2017)
SS-20 F-r-FK (Alta et al. 2017)
SS-31 r-Dmt-KF (Zhao et al. 2005)
SynB1 RGGRLSYSRRRFSTSTGR (Rousselle et al. 2000)
T2 LVGVFH (Kumar et al. 2012)
Tat(49-57) RKKRRQRRR (Vives et al. 1997a)
Tat(48-60) GRKKRRQRRRPPQ (Vives et al. 1997b)
Tat(44-57) CGISYGRKKRRQRRR (Niesner et al. 2002)
Tat(37-72) CFITKALGISYGRKKRRQRRRPPQGSQT-HQVSLSKQ (Fawell et al. 1994)
Tat analog GRKKRRQR (Nguyen et al. 2008)
Tat-LK15 Tat-KLLKLLLKLLLKLLK (Peng et al. 2017a)
TCTP MIIFRALISHKK (Bae et al. 2016)
TD-1 ACSSSPSKHCG (Chen et al. 2006)
TD2.2 SYWYRIVLSRTGRNGRLRVGRERPVLGESP (Heffernan et al. 2012)
TH peptide GYLLGHINLHHLAHL-Aib-HHIL (Chen et al. 2017a)
TM2 PKKGSKKAVTKAQKKDGA (Kochurani et al. 2015)
Transportan GWTLNSAGYLLGKINLKALAALAKKIL, TP (Pooga et al. 1998)
TP10 AGYLLGKINLKALAALAKKIL (Soomets et al. 2000)
TPk VRRFkWWWkFLRR (Bahnsen et al. 2015)
Tpl KWCFRVCYRGICYRRCRGK (Jain et al. 2015)
TPP TKDNNLLGRFELSG (Gehrmann et al. 2014)
TT1 CKRGARSTA (Paasonen et al. 2016)
vAMP 059 INWKKWWQVFYTVV (Dias et al. 2017)
vCPP 0769 RRLTLRQLLGLGSRRRRRSR (Dias et al. 2017)
vCPP 2319 WRRRYRRWRRRRRWRRRPRR (Dias et al. 2017)
VDAC(1-26) MAVPPTYADLGKSARDVFTKGYGFGL (Smilansky et al. 2015)
VP22 NAATATRGRSAASRPTQRPRAPARSASRPRRPVQ (Elliott and O’Hare, 1997)
V peptide TVDNPASTTNKDKLFAVRK (Manosroi et al. 2014)
VT5 DPKGDPKGVTVTVTVTVTGKGDPKPD (Oehlke et al. 1997)
W(RW)4 W(RW)4 (Nasrolahi Shirazi et al. 2013)
Xentry LCLR (Montrose et al. 2014)
X-pep MAARLC (Adachi et al. 2017)
YKA YKALRISRKLAK (Desai et al. 2014)
YTA2 YTAIAWVKAFIRKLRK (Lindgren et al. 2006)
YTA4 IAWVKAFIRKLRKGPLG (Lindgren et al. 2006)
Z2 FWIGGFIKKLKRSKLA (Chen et al. 2017c)
Z3 FKIKKFIGGLWRSKLA (Chen et al. 2017c)
Z12 KRYKNRVASRKCRAKFKQLLQHYREVAAAKSSENDRLRLLLK (Derouazi et al. 2015)
ZXR-1 FKIGGFIKKLWRSKLA (Chen et al. 2017c)
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