Transporter construct comprising at least one D-/L-pattern of the generic formula: D l LLL x D m (LLL y D n) a wherein: D is a D-amino acid; L is a L-amino acid; a is 0-3; I, m and n are independently from each other 1 or 2; x and y are independently from each other 0, 1 or 2; in particular wherein the transporter construct comprises at least one D-/L-pattern according to one of the following subformulas (Ia) to (If): (Ia): D l LLL x D m; (Ib): D l LLL x D m LLL y D n; (Ic): D l LLL x D m LLL y D n LLL y D n; (Id): D l LLL x D m LLL y D n LLL y D n LLL y D n, (Ie): DLLLD(LLLD) a, or (If): DLLLDLLLD, and wherein the D-/L-pattern according to generic formula or according to any of subformulas (Ia), (Ib), (Ic), (Id), (Ie), or (If), is applied to one of the following sequences: SEQUENCE/PEPTIDE NAME SEQ ID NO AA SEQUENCE TAT 8 86 TAT 9 36 TAT 10 22 CFITKALGIS YGRKKRRQRR RP TAT GGC 11 24 FITKALGISY GRKKRRQRRR PGGC TAT CGG 12 15 CGGYGRKKRR QRRRP TAT GGC 13 15 YGRKKRRQRR RPGGC TAT Mut Cys/Ala 72 14 56 L-generic-TAT 15 17 XXXXRKKRRQRRRXXXX (NH 2 - XXXXRKKRRQRRRXXXX -COOH) L-generic-TAT (s) 16 11 NH 2 -X n b -RKKRRQRRR-X n b -COOH L-TAT (s1a) 17 10 GRKKRRQRRR (NH 2 -GRKKRRQRRR-COOH) L-TAT (s1b) 18 9 RKKRRQRRR (NH 2 -GRKKRRQRRR-COOH) L-TAT (s1c) 19 11 YDRKKRRQRRR r 3 -L-TAT 20 9 rKKRrQRRr r 3 -L-TATi 21 9 rRRQrRKKr βA-r 3 -L-TAT 22 9 βA-rKKRrQRRr βA-r 3 -L-TATi 23 9 βA-rRRQrRKKr FITC-βA-r 3 -L-TAT 24 9 FITC-βA-rKKRrQRRr FITC-βA-r 3 -L-TATi 25 9 FITC-βA-rRRQrRKKr TAT(s2-1) 26 9 rAKRrQRRr TAT(s2-2) 27 9 rKARrQRRr TAT(s2-3) 28 9 rKKArQRRr TAT(s2-4) 29 9 rKKRrARRr TAT(s2-5) 30 9 rKKRrQARr TAT(s2-6) 31 9 rKKRrQRAr TAT(s2-7) 32 9 rDKRrQRRr TAT(s2-8) 33 9 rKDRrQRRr TAT(s2-9) 34 9 rKKDrQRRr TAT(s2-10) 35 9 rKKRrDRRr TAT(s2-11) 36 9 rKKRrQDRr TAT(s2-12) 37 9 rKKRrQRDr TAT(s2-13) 38 9 rEKRrQRRr TAT(s2-14) 39 9 rKERrQRRr TAT(s2-15) 40 9 rKKErQRRr TAT(s2-16) 41 9 rKKRrERRr TAT(s2-17) 42 9 rKKRrQERr TAT(s2-18) 43 9 rKKRrQREr TAT(s2-19) 44 9 rFKRrQRRr TAT(s2-20) 45 9 rKFRrQRRr TAT(s2-21) 46 9 rKKFrQRRr TAT(s2-22) 47 9 rKKRrFRRr TAT(s2-23) 48 9 rKKRrQFRr TAT(s2-24) 49 9 rKKRrQRFr TAT(s2-25) 50 9 rRKRrQRRr TAT(s2-26) 51 9 rKRRrQRRr TAT(s2-27) 52 9 rKKKrQRRr TAT(s2-28) 53 9 rKKRrRRRr TAT(s2-29) 54 9 rKKRrQKRr TAT(s2-30) 55 9 rKKRrQRKr TAT(s2-31) 56 9 rHKRrQRRr TAT(s2-32) 57 9 rKHRrQRRr TAT(s2-33) 58 9 rKKHrQRRr TAT(s2-34) 59 9 rKKRrHRRr TAT(s2-35) 60 9 rKKRrQHRr TAT(s2-36) 61 9 rKKRrQRHr TAT(s2-37) 62 9 rIKRrQRRr TAT(s2-38) 63 9 rKIRrQRRr TAT(s2-39) 64 9 rKKIrQRRr TAT(s2-40) 65 9 rKKRrIRRr TAT(s2-41) 66 9 rKKRrQIRr TAT(s2-42) 67 9 rKKRrQRIr TAT(s2-43) 68 9 rLKRrQRRr TAT(s2-44) 69 9 rKLRrQRRr TAT(s2-45) 70 9 rKKLrQRRr TAT(s2-46) 71 9 rKKRrLRRr TAT(s2-47) 72 9 rKKRrQLRr TAT(s2-48) 73 9 rKKRrQRLr TAT(s2-49) 74 9 rMKRrQRRr TAT(s2-50) 75 9 rKMRrQRRr TAT(s2-51) 76 9 rKKMrQRRr TAT(s2-52) 77 9 rKKRrMRRr TAT(s2-53) 78 9 rKKRrQMRr TAT(s2-54) 79 9 rKKRrQRMr TAT(s2-55) 80 9 rNKRrQRRr TAT(s2-56) 81 9 rKNRrQRRr TAT(s2-57) 82 9 rKKNrQRRr TAT(s2-58) 83 9 rKKRrNRRr TAT(s2-59) 84 9 rKKRrQNRr TAT(s2-60) 85 9 rKKRrQRNr TAT(s2-61) 86 9 rQKRrQRRr TAT(s2-62) 87 9 rKQRrQRRr TAT(s2-63) 88 9 rKKQrQRRr TAT(s2-64) 89 9 rKKRrKRRr TAT(s2-65) 90 9 rKKRrQQRr TAT(s2-66) 91 9 rKKRrQRQr TAT(s2-67) 92 9 rSKRrQRRr TAT(s2-68) 93 9 rKSRrQRRr TAT(s2-69) 94 9 rKKSrQRRr TAT(s2-70) 95 9 rKKRrSRRr TAT(s2-71) 96 9 rKKRrQSRr TAT(s2-72) 97 9 rKKRrQRSr TAT(s2-73) 98 9 rTKRrQRRr TAT(s2-74) 99 9 rKTRrQRRr TAT(s2-75) 100 9 rKKTrQRRr TAT(s2-76) 101 9 rKKRrTRRr TAT(s2-77) 102 9 rKKRrQTRr TAT(s2-78) 103 9 rKKRrQRTr TAT(s2-79) 104 9 rVKRrQRRr TAT(s2-80) 105 9 rKVRrQRRr TAT(s2-81) 106 9 rKKVrQRRr TAT(s2-82) 107 9 rKKRrVRRr TAT(s2-83) 108 9 rKKRrQVRr TAT(s2-84) 109 9 rKKRrQRVr TAT(s2-85) 110 9 rWKRrQRRr TAT(s2-86) 111 9 rKWRrQRRr TAT(s2-87) 112 9 rKKWrQRRr TAT(s2-88) 113 9 rKKRrWRRr TAT(s2-89) 114 9 rKKRrQWRr TAT(s2-90) 115 9 rKKRrQRWr TAT(s2-91) 116 9 rYKRrQRRr TAT(s2-92) 117 9 rKYRrQRRr TAT(s2-93) 118 9 rKKYrQRRr TAT(s2-94) 119 9 rKKRrYRRr TAT(s2-95) 120 9 rKKRrQYRr TAT(s2-96) 121 9 rKKRrQRYr r 3 R 6 122 9 rRRRrRRRr L-R 9 123 9 RRRRRRRRR L-R 8 124 8 RRRRRRRR L-R 7 125 7 RRRRRRR L-R 6 126 6 RRRRRR L-R 5 127 5 RRRRR PTD-4 128 11 YARAAARQARA PTD-4 (variant 1) 129 11 WARAAARQARA PTD-4 (variant 2) 130 11 WARAQRAAARA L-P1 Penetratin 131 16 RQVKVWFQNRRMKWKK D-P1 Penetratin 132 16 KKWKMRRNQFWVKVQR JNKI, bestfit 133 17 WKRAAARKARAMSLNLF JNKI, bestfit (variant 1) 134 17 WKRAAARAARAMSLNLF MDCK transcytose sequence 135 9 RYRGDLGRR YKGL 136 4 YKGL r 3 (generic) 252 9 rXXXrXXXr or a reverse sequence thereof, or a variant or fragment of these sequences, wherein a variant or fragment of these sequences retains the function to provide for translocation across biological membranes and consists of a peptide sequence having at least 80% sequence identity over the whole length to the respective native sequence. D is a D-amino acid; L is a L-amino acid; a is 0-3; I, m and n are independently from each other 1 or 2; x and y are independently from each other 0, 1 or 2;