Table 1.
RIPs isolated from different plants, their type and reported absolute molecular masses.
| Plant | RIP | Type | Ma (kDa) | Immunotoxins | Ref. |
|---|---|---|---|---|---|
| Abelmoschus esculentus (L.) Moench | Abelesculin | 1 | 30 | [94] | |
| Abrus precatorius L. | Abrin-a | 2 | 63 | Yes | [95] |
| Abrus precatorius L. | Abrin-b | 2 | 67 | [95] | |
| Abrus precatorius L. | Abrin-c | 2 | 63 | [95] | |
| Abrus precatorius L. | Abrin-d | 2 | 67 | [95] | |
| Abrus precatorius L. | Abrin-I | 2 | 64 | [96] | |
| Abrus precatorius L. | Abrin-II | 2 | 63 | [96] | |
| Abrus precatorius L. | Abrin-III | 2 | 63 | [96] | |
| Abrus precatorius L. | APA-I | 2 | 130 | [96] | |
| Abrus precatorius L. | APA-II | 2 | 128 | [96] | |
| Abrus precatorius L. | Abrus agglutinin | 2 | 67 | [95] | |
| Abrus precatorius L. | Abrus agglutinin | 2 | 134 | [97] | |
| Abrus pulchellus L. | Pulchellin | 2 | 61.5 - 63 | [98, 99] | |
| Adenia digitata Burtt-Davy | Modeccin | 2 | 57 | [100] | |
| Adenia ellenbeckii Harms. | Adenia ellenbeckii RIP | 1 | 30 | [101] | |
| Adenia ellenbeckii Harms. | Adenia ellenbeckii RIP | 2 | 60 | [101] | |
| Adenia fruticosa L. Burtt-Davy | Adenia fruticosa RIP | 1 | 30 | [101] | |
| Adenia goetzii Burtt-Davy | Adenia goetzii RIP | 1 | 30 | [101] | |
| Adenia goetzii Burtt-Davy | Adenia goetzii RIP | 2 | 60 | [101] | |
| Adenia keramanthus Harms. | Adenia keramanthus RIP | 2 | 60 - 65 | [101] | |
| Adenia lanceolata Engl. | Adenia lanceolata RIP | 2 | 60 | [101] | |
| Adenia lanceolata Engl. | Lanceolin | 2 | 61.2 | [102] | |
| Adenia racemosa W.J. de Wilde | Adenia racemosa RIP | 1 | 30 | [101] | |
| Adenia stenodactyla Harms. | Adenia stenodactyla RIP | 2 | 60 | [101] | |
| Adenia stenodactyla Harms. | Stenodactylin | 2 | 63.1 | [102] | |
| Adenia venenata Forssk. | Adenia venenata RIP | 1 | 30 | [101] | |
| Adenia venenata Forssk. | Adenia venenata RIP | 2 | 60 | [101] | |
| Adenia volkensii Harms. | Volkensin | 2 | 62 | [103, 104] | |
| Agrostemma githago L. | Agrostin-2 | 1 | 30.6 | [105] | |
| Agrostemma githago L. | Agrostin-5 | 1 | 29.5 | [105] | |
| Agrostemma githago L. | Agrostin-6 | 1 | 29.6 | [105] | |
| Amaranthus caudatus L. | Amaranthin (Amaranthus caudatus agglutinin, ACA) | 1 | 33 - 36 | [106] | |
| Amaranthus tricolor L. | Amaranthus tricolor antiviral protein-27 (AAP-27) | 1 | 27 | [107] | |
| Amaranthus viridis L. | Amaranthin | 1 | 30 | [108] | |
| Aralia elata (Miq.) Seem | Aralin (Aralia elata lectin) | 2 | 61.3 | [109, 110] | |
| Asparagus officinalis L. | Asparagus officinalis RIP | 1 | 32.5 | [105] | |
| Asparagus officinalis L. | Asparin 1 | 1 | 30.5 | [111] | |
| Asparagus officinalis L. | Asparin 2 | 1 | 29.8 | [111] | |
| Basella rubra Roxb. | Basella rubra RIP 2a | 1 | 30.6 | [112] | |
| Basella rubra Roxb. | Basella rubra RIP 2b | 1 | 31.2 | [112] | |
| Basella rubraRoxb. | Basella rubra RIP 3 | 1 | 31.2 | [112] | |
| Benincasa hispida (Thunb.) Cogn. | Alpha-benincasin | Small RIP | 11 | [113] | |
| Benincasa hispida (Thunb.) Cogn. | Beta-benincasin | Small RIP | 10.6 | [113] | |
| Benincasa hispida (Thunb.) Cogn. | Hispin | 1 | 21 | [114] | |
| Beta vulgaris L. | Betavulgin | 1 | 28 | [115] | |
| Beta vulgaris L. | Beetin 27 | 1 | 27 | [116, 117] | |
| Beta vulgaris L. | Beetin 29 | 1 | 29 | [116, 117] | |
| Bougainvillea spectabilis Willd. | Bouganin (Bougainvillea spectabilis RIP) | 1 | 26.2 | Yes | [112, 118] |
| Bougainvillea xbuttiana Willd. | Bougainvillea xbuttiana antiviral protein | 1 | 35.5 | [119] | |
| Bryonia dioica Jacq. | Bryodin-L | 1 | 28.8 | [111] | |
| Bryonia dioica Jacq. | Bryodin-1 (BD-1) | 1 | 30 | Yes | [120] |
| Bryonia dioica Jacq. | Bryodin-2 (BD-2) | 1 | 27 | Yes | [121] |
| Camellia sinensis (L.) Kuntze | Camellia sinensis RIP (CS-RIP) | 2 | 63.6 | [122] | |
| Celosia cristata L. | Celosia cristata antiviral protein 25 (CCP-25) | 1 | 25 | [123] | |
| Celosia cristata L. | Celosia cristata antiviral protein 27 (CCP-27) | 1 | 27 | [124] | |
| Charybdis maritima L. | Charybdin | 1 | 29 | [125] | |
| Chenopodium album L. | Chenopodium album antiviral RIP (CAP30) | 1 | 30 | [126, 127] | |
| Cinnamomum camphora (L.) J. Presl. | Camphorin | 1 | 23 | [128] | |
| Cinnamomum camphora (L.) J. Presl. | Cinnamomin | 2 | 61 | [128] | |
| Cinnamomum porrectum L. | Porrectin | 2 | 64.5 | [129] | |
| Citrullus colocynthis Schrad. | Colocin 1 | 1 | 26.3 | Yes | [111] |
| Citrullus colocynthis Schrad. | Colocin 2 | 1 | 26.3 | [111] | |
| Clerodendrum inerme (L.) Gaertn | CIP-29 | 1 | 29 | [130, 131] | |
| Clerodendrum inerme (L.) Gaertn | CIP-34 | 1 | 34 | [130, 131] | |
| Croton tiglium L. | Crotin I | 1 | ND | [132] | |
| Croton tiglium L. | Crotin II | 1 | 30.2 | [132] | |
| Cucumis figarei Naud. | Cucumis figarei RIP (CF-RIP) | 1 | 31.8 | [133] | |
| Cucumis melo L. | Melonin | 1 | 23.5 | [134, 135] | |
| Cucurbita foetidissima Kunth. | Foetidissimin | 2 | 63 | [136] | |
| Cucurbita foetidissima Kunth. | Foetidissimin II | 2 | 61 | [137] | |
| Cucurbita maxima L. | Cucurmoschin | Small RIP | 8 | [138] | |
| Cucurbita moschata Duchesne ex Poir. | Alpha-moschin | Small RIP | 12 | [139] | |
| Cucurbita moschata Duchesne ex Poir. | Beta-moschin | Small RIP | 12 | [139] | |
| Cucurbita moschata Duchesne ex Poir. | Moschatin | 1 | 29 | Yes | [140] |
| Cucurbita moschata Duchesne ex Poir. | Cucurmosin (CUS) | 1 | 27 | [141, 142] | |
| Cucurbita moschata Duchesne ex Poir. | Cucurmosin 2 | 1 | 27.2 | [143] | |
| Cucurbita moschata Duchesne ex Poir. | Cucurbita moschata RIP | 1 | 30.7 | [144] | |
| Cucurbita pepo L. | Pepocin | 1 | 26 | [145] | |
| Cucurbita texana (Scheele) A. Gray | Texanin | 1 | 29.7 | [137] | |
| Dianthus barbatus L. | Dianthin-29 | 1 | 29 | [146] | |
| Dianthus caryophyllus L. | Dianthin-30 | 1 | 29.5 | Yes | [147, 148] |
| Dianthus caryophyllus L. | Dianthin-32 | 1 | 31.7 | Yes | [147, 148] |
| Dianthus sinensis L. | Dianthus sinensis RIP (DsRIP) | 1 | 33.3 | [149] | |
| Eranthis hyemalis Salisb. | Eranthis hyemalis lectin (EHL) | 2 | 62 | [150, 151] | |
| Gelonium multiflorum A. Juss. | Gelonin (GAP31) | 1 | 31 | Yes | [152, 153] |
| Gynostemma pentaphyllum (Thunb.) Makino | Gynostemmin | 1 | 27 | [144, 154] | |
| Gypsohila elegans Bieb. | Gypsophilin | 1 | 28 | [155] | |
| Hordeum vulgare L. | Barley translation inhibitor (barley toxin I, BRIP) | 1 | 31 | Yes | [156] |
| Hordeum vulgare L. | Barley toxin II | 1 | 30 | Yes | [157] |
| Hordeum vulgare L. | Barley toxin III | 1 | 30 | [157] | |
| Hordeum vulgare L. | JIP60 (60 kDa jasmonate-induced protein) | 3 | 60 | [158] | |
| Hura crepitans L. | Hura crepitans RIP | 1 | 28 | [105] | |
| Iris hollandica L. | Iris agglutinin b (IRAb) | 2 | 65 | [159] | |
| Iris hollandica L. | Iris agglutinin r (IRAr) | 2 | 65 | [159] | |
| Iris hollandica L. | Iris RIP A1 (IRIP A1) | 1 | 30.9 | [160] | |
| Iris hollandica L. | Iris RIP A2 (IRIP A2) | 1 | 31 | [160] | |
| Iris hollandica L. | Iris RIP A3 (IRIP A3) | 1 | 30.9 | [160] | |
| Jatropha curcas L. | Curcin | 1 | 28.2 | Yes | [161, 162] |
| Jatropha curcas L. | Jc-SCRIP | 1 | 38.9 | [163] | |
| Lagenaria siceraria Molina. | Lagenin | 1 | 20 | [164] | |
| Luffa acutangula Roxb. | Luffaculin-1 | 1 | 28 | [165] | |
| Luffa acutangula Roxb. | Luffaculin-2 | 1 | 28 | [165] | |
| Luffa acutangula Roxb. | Luffangulin | Small RIP | 6.5 | [166] | |
| Luffa aegyptiaca Mill. | Luffin-c | 1 | ND | [167] | |
| Luffa aegyptiaca Mill. | Luffa ribosomal inhibitory protein (LRIP) | 1 | 30 | Yes | [168] |
| Luffa cylindrica Mill. | Luffacylin | Small RIP | 7.8 | [169] | |
| Luffa cylindrica Mill. | Luffin-A (alpha-luffin) | 1 | 27 | Yes | [170, 171] |
| Luffa cylindrica Mill. | Luffin-B (beta-luffin) | 1 | 28 | Yes | [170] |
| Luffa cylindrica Mill. | Luffin-P1 | Small RIP | 5.2 | Yes | [172] |
| Luffa cylindrica Mill. | Luffin-S | Small RIP | 10 | [173] | |
| Lychnis chalcedonica L. | Lychnin | 1 | 26.1 | [111, 174] | |
| Malania oleifera Chun & S.K. Lee | Malanin | 2 | 61.9 | [175] | |
| Manihot palmate Mill. | Mapalmin | 1 | 32.3 | [111] | |
| Manihot utilissima Mill. | Manutin | 1 | 30.7 | [176] | |
| Marah oreganus (Torr. ex S. Wats.) Howell | MOR-I (Marah oreganus RIP-I) | 1 | 28 | [177] | |
| Marah oreganus (Torr. ex S. Wats.) Howell | MOR-II (Marah oreganus RIP-II) | 1 | 27.6 | [177] | |
| Mesembryanthemum crystallinum L. | RIP1 | 1 | 32.7 | [178] | |
| Mirabilis expansa Standl. | ME1 | 1 | 27 | [179] | |
| Mirabilis expansa Standl. | ME2 | 1 | 27.5 | [179] | |
| Mirabilis jalapa L. | Mirabilis antiviral protein (MAP) | 1 | 27.8 | [180] | |
| Mirabilis jalapa L. | MAP-2 | 1 | 30.4 | [180] | |
| Mirabilis jalapa L. | MAP-3 | 1 | 29.7 | [180] | |
| Mirabilis jalapa L. | MAP-4 | 1 | 29.3 | [180] | |
| Momordica balsamina L. | Momordica balsamina RIP-1 (MbRIP-1) | 1 | 30 | [181] | |
| Momordica balsamina L. | Momordin II | 1 | 32 | [182] | |
| Momordica balsamina L. | Balsamin | 1 | 28 | [183] | |
| Momordica charantia L. | Momordin (Momordica charantia inhibitor, momordin-a) | 1 | 23 | Yes | [184] |
| Momordica charantia L. | Alpha-momorcharin (alpha-MMc) | 1 | 29 | [185, 186] | |
| Momordica charantia L. | Beta-momorcharin (beta-MMc) | 1 | 28 | [187, 188] | |
| Momordica charantia L. | Gamma-momorcharin | Small RIP | 11.5 | [189] | |
| Momordica charantia L. | Delta-momorcharin | 1 | 30 | [190] | |
| Momordica charantia L. | Epsilon-momorcharin | 1 | 24 | [190] | |
| Momordica charantia L. | Momordica charantia lectin (MCL) | 2 | 130 | [122] | |
| Momordica charantia L. | Charantin | Small RIP | 9.7 | [191] | |
| Momordica charantia L. | Momordin I (Momordica charanthia inhibitor) | 1 | 31 | Yes | [147, 192] |
| Momordica cochinchinensis Spreng | Momorcochin-S | 1 | 30 | Yes | [193] |
| Momordica cochinchinensis Spreng | Momorcochin | 1 | 32 | Yes | [194] |
| Momordica cochinchinensis Spreng | Cochinin B | 1 | 28 | [195, 196] | |
| Momordica grosvenorii Swingle | Momorgrosvin | 1 | 27.7 | [197] | |
| Muscari armeniacum Baker. | Musarmin-1 (MU-1) | 1 | 28.7 | [198] | |
| Muscari armeniacum Baker. | Musarmin-2 (MU-2) | 1 | 30 | [198] | |
| Muscari armeniacum Baker. | Musarmin-3 (MU-3) | 1 | 27.6 | [198] | |
| Nicotiana tabacum L. | Tobacco RIP (TRIP) | 1 | 26 | [199] | |
| Nicotiana tabacum L. | CIP31 | 1 | 31 | [200] | |
| Oryza sativa L. | Oryza sativa RIP | 1 | 33 | [201] | |
| Oryza sativa L. | Oryza sativa cultivar Kazemi RIP | 1 | 29 | [202] | |
| Panax ginseng L. | Panaxagin | RIP-like | 52 | [203] | |
| Panax quinquefolium L. | Quinqueginsin | RIP-like | 53 | [204] | |
| Petrocoptis glaucifolia (Lag.) Boiss. | Petroglaucin-1 | 1 | 26.7 | [205] | |
| Petrocoptis glaucifolia (Lag.) Boiss. | Petroglaucin-2 | 1 | 27.5 | [206] | |
| Petrocoptis grandiflora Rothm. | Petrograndin | 1 | 28.6 | [205] | |
| Phoradendron californicum Nutt. | Phoradendron californicum lectin (PCL) | 2 | 69 | [207] | |
| Phytolacca americana L. | PAP (pokeweed antiviral protein, Phytolacca antiviral protein) | 1 | 29 | Yes | [208, 209] |
| Phytolacca americana L. | PAP II (pokeweed antiviral protein II) | 1 | 30 | Yes | [209] |
| Phytolacca americana L. | PAP III (pokeweed antiviral protein III) | 1 | 30 | [210, 211] | |
| Phytolacca americana L. | PAP-S | 1 | 30 | Yes | [212] |
| Phytolacca americana L. | PAP-C | 1 | 29 | [213] | |
| Phytolacca americana L. | PAP-R | 1 | 29.8 | [111] | |
| Phytolacca americana L. | PAP-H | 1 | 29.5 | [214] | |
| Phytolacca dioica L. | PD-S1 (Phytolacca dioica RIP 1) | 1 | 30 | [215] | |
| Phytolacca dioica L. | PD-S2 (Phytolacca dioica RIP 2) | 1 | 29.6 | Yes | [215, 216] |
| Phytolacca dioica L. | PD-S3 (Phytolacca dioica RIP 3) | 1 | 30 | [215] | |
| Phytolacca dioica L. | PD-L1 | 1 | 32.7 | [217, 218] | |
| Phytolacca dioica L. | PD-L2 | 1 | 31.5 | [217, 218] | |
| Phytolacca dioica L. | PD-L3 | 1 | 30.4 | [217, 218] | |
| Phytolacca dioica L. | PD-L4 | 1 | 29.2 | [217, 218] | |
| Phytolacca dioica L. | Dioicin 1 | 1 | 30 | [219, 220] | |
| Phytolacca dioica L. | Dioicin 2 | 1 | 29.9 | [219, 220] | |
| Phytolacca dodecandra L’Herrit | Dodecandrin | 1 | 29 | [221] | |
| Phytolacca heterotepala H. Walter | Heterotepalin-4 (Mexican pokeweed RIP-4, Phytolacca heterotepala anti-viral protein PAP) | 1 | 29.3 | [222] | |
| Phytolacca heterotepala H. Walter | Heterotepalin-5b (Mexican pokeweed RIP-5b) | 1 | 30.5 | [222] | |
| Phytolacca insularis Nakai | Phytolacca insularis antiviral protein (PIP, insularin) | 1 | 35 | [223] | |
| Phytolacca insularis Nakai | Phytolacca insularis antiviral protein 2 (PIP2) | 1 | 35.7 | [224] | |
| Pisum sativum L. | Alpha-pisavin | 1 | 20.5 | [225] | |
| Pisum sativum L. | Beta-pisavin | 1 | 18.7 | [225] | |
| Pisum sativum L. | Sativin | 1 | 38 | [226] | |
| Polygonatum multiflorum Kunth. | Polygonatum multiflorum RIP monomer (PMRIPm) | 2 | 60 | [227] | |
| Polygonatum multiflorum Kunth. | Polygonatum multiflorum RIP tetramer (PMRIPt) | 2 | 240 | [227] | |
| Ricinus communis L. | Ricin | 2 | 62 | Yes | [228] |
| Ricinus communis L. | Ricin 1 | 2 | 64 | [229] | |
| Ricinus communis L. | Ricin 2 | 2 | 67 | [229] | |
| Ricinus communis L. | Ricin 3 | 2 | 66 | [229] | |
| Ricinus communis L. | Ricin D | 2 | 60 | [230] | |
| Ricinus communis L. | Ricin E | 2 | 60 | [231] | |
| Ricinus communis L. | Ricinus agglutinin (RCA120) | 2 | 120 | [97] | |
| Ricinus communis L. | Ricinus agglutinin 1 (RCA1) | 2 | 134 | [229] | |
| Ricinus communis L. | Ricinus agglutinin 2 (RCA2) | 2 | 140 | [229] | |
| Ricinus sanguineus Hort. ex Groenland | Ricin R2 | 2 | 63.1 | [232] | |
| Ricinus sanguineus Hort. ex Groenland | Ricin R11 | 2 | 57.8 | [232] | |
| Ricinus sanguineus Hort. ex Groenland | Ricin R12 | 2 | 62.2 | [232] | |
| Ricinus sanguineus Hort. ex Groenland | Ricinus sanguineus agglutinin | 2 | 120 | [233] | |
| Sambucus ebulus L. | Ebulin r | 2 | 56 | [234] | |
| Sambucus ebulus L. | Ebulin I (ebulin 1) | 2 | 56 | Yes | [235] |
| Sambucus ebulus L. | Alpha-ebulitin | 1 | 32 | [236] | |
| Sambucus ebulus L. | Beta-ebulitin | 1 | 29 | [236] | |
| Sambucus ebulus L. | Gamma-ebulitin | 1 | 29 | [236] | |
| Sambucus nigra L. | Basic nigrin b | 2 | 63.5 | [237] | |
| Sambucus nigra L. | Nigrin b | 2 | 58 | Yes | [238] |
| Sambucus nigra L. | Nigritin f1 | 1 | 24.1 | [239] | |
| Sambucus nigra L. | Nigritin f2 | 1 | 23.6 | [239] | |
| Sambucus nigra L. | Sambucus nigra agglutinin I (SNAI) | 2 | 140 | [240] | |
| Sambucus nigra L. | SNLRP | 2 | 60 - 62 | [241] | |
| Sambucus racemosa L. | Basic racemosin b | 2 | 58 | [242] | |
| Sambucus sieboldiana L. | Sieboldin-b | 2 | 59.4 | [243] | |
| Saponaria ocymoides L. | Ocymoidine | 1 | 30.2 | Yes | [244] |
| Saponaria officinalis L. | Saporin-6 | 1 | 29.5 | Yes | [105, 245] |
| Saponaria officinalis L. | Saporin-9 | 1 | 29.5 | [105] | |
| Saponaria officinalis L. | Saporin-L1 | 1 | 31.6 | Yes | [246] |
| Saponaria officinalis L. | Saporin-L2 | 1 | 31.6 | [246] | |
| Saponaria officinalis L. | Saporin-R1 | 1 | 30.2 | [246] | |
| Saponaria officinalis L. | Saporin-R2 | 1 | 30.9 | [246] | |
| Saponaria officinalis L. | Saporin-R3 | 1 | 30.9 | [246] | |
| Saponaria officinalis L. | Saporin-S5 | 1 | 30.9 | [246] | |
| Saponaria officinalis L. | Saporin-S6 | 1 | 31.6 | Yes | [246] |
| Saponaria officinalis L. | Saporin-S8 | 1 | 29.5 | [246] | |
| Saponaria officinalis L. | Saporin-S9 | 1 | 29.5 | [246] | |
| Secale cereale L. | Secale cereale RIP | 1 | 31 | [247] | |
| Sechium edule (Jacq.) Sw. | Sechiumin | 1 | 27 | [248] | |
| Spinacia oleracea L. | Spinacia oleracea RIP1 (SoRIP1, BP31) | 1 | 31 | [249] | |
| Spinacia oleracea L. | Spinacia oleracea RIP2 (SoRIP2) | 1 | 29 | [249] | |
| Stellaria aquatica Scop. | Stellarin | 1 | ND | [250] | |
| Stellaria media (L.) Vill. | RIP Q3 | 1 | 28.2 | [251] | |
| Trichosanthes anguina L. | Trichoanguin | 1 | 35 | [252] | |
| Trichosanthes cucumerina Wall. | Trichosanthes cucumerina seed lectin (TCSL) | RIP-like | 69 | [253] | |
| Trichosanthes cucumeroides Maxim. | Beta-trichosanthin | 1 | 28 | [254] | |
| Trichosanthes dioica Roxb. | Trichosanthes dioica seed lectin (TDSL) | RIP-like | 55 | [255] | |
| Trichosanthes kirilowii Maxim. | Alpha-kirilowin | 1 | 28.8 | [256] | |
| Trichosanthes kirilowii Maxim. | Beta-kirilowin | 1 | 27.5 | [257] | |
| Trichosanthes kirilowii Maxim. | Trichosanthin (TCS) | 1 | 25 - 26 | Yes | [258] |
| Trichosanthes kirilowii Maxim. | TAP-29 (Trichosanthes anti-HIV protein 29 kDa) | 1 | 29 | [259] | |
| Trichosanthes kirilowii Maxim. | Trichobitacin | 1 | 27.2 | [260, 261] | |
| Trichosanthes kirilowii Maxim. | S-Trichokirin | Small RIP | 8 | [262] | |
| Trichosanthes kirilowii Maxim. | Trichokirin-S1 | Small RIP | 11.4 | [263] | |
| Trichosanthes kirilowii Maxim. | Alpha-trichosanthin | 1 | 31.7 | [264] | |
| Trichosanthes kirilowii Maxim. | Karasurin-A | 1 | 27.1 | [265, 266] | |
| Trichosanthes kirilowii Maxim. | Karasurin-B | 1 | 27.2 | [267] | |
| Trichosanthes kirilowii Maxim. | Karasurin-C | 1 | 27.4 | [267] | |
| Trichosanthes kirilowii Maxim. | Trichosanthrip | Small RIP | 11 | [268] | |
| Trichosanthes kirilowii Maxim. | Trichomislin | 1 | 27.2 | [269] | |
| Trichosanthes kirilowii Maxim. | Trichokirin | 1 | 27 | Yes | [270] |
| Trichosanthes lepiniate Maxim. | Trichomaglin | 1 | 24.7 | [271] | |
| Trichosanthes sp. Bac Kan 8-98 | Trichobakin | 1 | 27 | [272] | |
| Triticum aestivum L. | Tritin | 1 | 30 | [273] | |
| Vaccaria pyramidata Medik. | Pyramidatine | 1 | 28 | Yes | [244] |
| Viscum album L. | Viscumin (mistletoe lectin I) | 2 | 60 | Yes | [274] |
| Viscum articulatum Burm. F. | Articulatin-D | 2 | 66 | [275] | |
| Ximenia americana L. | Riproximin | 2 | 63 | [276] | |
| Zea mays L. | Maize seed RIP (b-32, corn RIP) | 1 | 32.4 | [277] | |
| Zea mais L. | Maize proRIP | 3 | 34 | [278] |