| Allergen | Species - Scientific Name | Species - Common Name | Allergen Type | Allergen Description | Class |
| Aca s 13 | Acarus siro | mite | mites | fatty acid binding protein
| IUIS |
| Act c 1 | Actinidia chinensis | kiwi | foods | cysteine protease; EC 3.4.22.14
| IUIS |
| Act c 2 | Actinidia chinensis | kiwi | foods | thaumatin-like protein
| IUIS |
| Act c a | Actinidia chinensis | kiwi | foods | N
| non-IUIS |
| Aed a 1 | Aedes aegyptii | mosquito | insects | Apyrase; ATP-diphosphatase; Adenosine diphosphatase; ADPASE; ATP-diphosphohydrol | IUIS |
| Aed a 2 | Aedes aegyptii | mosquito | insects | N
| IUIS |
| Aed a 3 | Aedes aegyptii | mosquito | insects | 30 kDa salivary gland allergen
| non-IUIS |
| Aln g 1 | Alnus glutinosa | alder | tree Fagales | homolog: pathogenesis related protein PR10
| IUIS |
| Aln g 4 | Alnus glutinosa | alder | tree Fagales | Calcium-binding pollen
| non-IUIS |
| Alt a 1 | Alternaria alternata | | fungi (moulds) Ascomycota Dothidiales | N
| IUIS |
| Alt a 1.0101 | Alternaria alternata | | fungi (moulds) Ascomycota Dothidiales | N
| IUIS |
| Alt a 1.0102 | Alternaria alternata | | fungi (moulds) Ascomycota Dothidiales | rb51
| IUIS |
| Alt a 10 | Alternaria alternata | | fungi (moulds) Ascomycota Dothidiales | aldehyde dehydrogenase: ALDDH; EC 1.2.1.3
| IUIS |
| Alt a 11 | Alternaria alternata | | fungi (moulds) Ascomycota Dothidiales | new name: Alt a 5; 2-phosphoglycerate dehydratase; 2-phospho-D-glycerate hydro-l | non-IUIS |
| Alt a 12 | Alternaria alternata | | fungi (moulds) Ascomycota Dothidiales | acid ribosomal protein P1
| IUIS |
| Alt a 2 | Alternaria alternata | | fungi (moulds) Ascomycota Dothidiales | N
| non-IUIS |
| Alt a 3 | Alternaria alternata | | fungi (moulds) Ascomycota Dothidiales | heat shock protein 70
| IUIS |
| Alt a 4 | Alternaria alternata | | fungi (moulds) Ascomycota Dothidiales | protein disulfideisomerase
| IUIS |
| Alt a 5 | Alternaria alternata | | fungi (moulds) Ascomycota Dothidiales | acid ribosomal protein P2; old name: Alt a 6 (IUIS June/02/2005)
| IUIS |
| Alt a 6 | Alternaria alternata | | fungi (moulds) Ascomycota Dothidiales | enolase; old name: Alt a 11; old name: Alt a 5 (IUIS June/02/2005)
| IUIS |
| Alt a 7 | Alternaria alternata | | fungi (moulds) Ascomycota Dothidiales | YCP4 protein
| IUIS |
| Alt a 8 | Alternaria alternata | | fungi (moulds) Ascomycota Dothidiales | mannitol dehydrogenase
| IUIS |
| Amb a 1 | Ambrosia artemisiifolia | short ragweed | weed Asterales | antigen E; AgE
| IUIS |
| Amb a 2 | Ambrosia artemisiifolia | short ragweed | weed Asterales | antigen K
| IUIS |
| Amb a 3 | Ambrosia artemisiifolia | short ragweed | weed Asterales | Ra3
| IUIS |
| Amb a 5 | Ambrosia artemisiifolia | short ragweed | weed Asterales | Ra5: hevein chitin-binding domain homology
| IUIS |
| Amb a 6 | Ambrosia artemisiifolia | short ragweed | weed Asterales | Ra6: Nonspecific lipid-transfer protein
| IUIS |
| Amb a 7 | Ambrosia artemisiifolia | short ragweed | weed Asterales | Ra7
| IUIS |
| Amb a 8 | Ambrosia artemisiifolia | short ragweed | weed Asterales | profilin
| IUIS |
| Amb a 8.0101 | Ambrosia artemisiifolia | short ragweed | weed Asterales | profilin
| IUIS |
| Amb a 8.0102 | Ambrosia artemisiifolia | short ragweed | weed Asterales | profilin
| IUIS |
| Amb a 9 | Ambrosia artemisiifolia | short ragweed | weed Asterales | polcalcin
| IUIS |
| Amb a 9.0101 | Ambrosia artemisiifolia | short ragweed | weed Asterales | polcalcin
| IUIS |
| Amb a 9.0102 | Ambrosia artemisiifolia | short ragweed | weed Asterales | polcalcin
| IUIS |
| Amb p 5 | Ambrosia psilostachya | Western ragweed | weed Asterales | N
| non-IUIS |
| Amb t 5 | Ambrosia trifida | giant ragweed | weed Asterales | Ra5G
| IUIS |
| Ana c 1 | Ananas comosus | pineapple | foods | profilin
| IUIS |
| Ana c 2 | Ananas comosus | pineapple | foods | bromelain
| IUIS |
| Ana o 1 | Anacardium occidentale | cashew | foods | nut; vicilin-like protein; legumin-like protein
| IUIS |
| Ana o 1.0101 | Anacardium occidentale | cashew | foods | nut; vicilin-like protein
| IUIS |
| Ana o 1.0102 | Anacardium occidentale | cashew | foods | nut; vicilin-like protein
| IUIS |
| Ana o 2 | Anacardium occidentale | cashew | foods | nut; legumin-like protein
| IUIS |
| Ana o 3 | Anacardium occidentale | cashew | foods | nut; 2S albumin
| IUIS |
| Ani s 1 | Anisakis simplex | nematode | others | excretory gland allergen
| IUIS |
| Ani s 2 | Anisakis simplex | nematode | others | paramyosin
| IUIS |
| Ani s 3 | Anisakis simplex | nematode | others | tropomyosin
| IUIS |
| Ani s 4 | Anisakis simplex | nematode | others | N
| IUIS |
| Api g 1 | Apium graveolens | celery | foods | homolog: Bet v 1; homolog: pathogenesis related protein PR10
| IUIS |
| Api g 1.0101 | Apium graveolens | celery | foods | Api g 1
| IUIS |
| Api g 1.0201 | Apium graveolens | celery | foods | Former name: Api g 2
| IUIS |
| Api g 2 | Apium graveolens | celery | foods | new name: Api g 1.0201
| non-IUIS |
| Api g 3 | Apium graveolens | celery | foods | Chlorophyll a-b binding protein
| non-IUIS |
| Api g 4 | Apium graveolens | celery | foods | profilin
| IUIS |
| Api g 5 | Apium graveolens | celery | foods | Homologue of Bet v 1
| IUIS |
| Api m 1 | Apis mellifera | honey bee | insects | phospholipase A2; Phosphatidylcholine 2-acylhydrolase; EC 3.1.1.4
| IUIS |
| Api m 2 | Apis mellifera | honey bee | insects | Hyaluronidase; Hya; Hyaluronoglucosaminidase; EC 3.2.1.35
| IUIS |
| Api m 3 | Apis mellifera | honey bee | insects | Melittin
| non-IUIS |
| Api m 4 | Apis mellifera | honey bee | insects | melittin
| IUIS |
| Api m 6 | Apis mellifera | honey bee | insects | N
| IUIS |
| Api m 7 | Apis mellifera | honey bee | insects | CUB serine protease; Bee venom
| IUIS |
| Ara h 1 | Arachis hypogaea | peanut | foods | Vicilin; Clone P17
| IUIS |
| Ara h 2 | Arachis hypogaea | peanut | foods | conglutin
| IUIS |
| Ara h 3 | Arachis hypogaea | peanut | foods | glycinin
| IUIS |
| Ara h 4 | Arachis hypogaea | peanut | foods | Glycinin: Seed storage protein
| IUIS |
| Ara h 5 | Arachis hypogaea | peanut | foods | profilin
| IUIS |
| Ara h 6 | Arachis hypogaea | peanut | foods | homolog: conglutin
| IUIS |
| Ara h 7 | Arachis hypogaea | peanut | foods | homolog: conglutin
| IUIS |
| Ara h 8 | Arachis hypogaea | peanut | foods | PR-10 protein
| IUIS |
| Ara t 8 | Arabidopsis thaliana | Mouse-ear cress | plant | profilin
| non-IUIS |
| Ara t expansin | Arabidopsis thaliana | Mouse-ear cress | plant | expansin family, homolog to group I allergens of grass pollen
| non-IUIS |
| Arg r 1 | Argas reflexus | pigeon tick | others | N
| IUIS |
| Art v 1 | Artemisia vulgaris | mugwort | weed Asterales | profilin
| IUIS |
| Art v 2 | Artemisia vulgaris | mugwort | weed Asterales | glycoprotein allergen
| IUIS |
| Art v 3 | Artemisia vulgaris | mugwort | weed Asterales | lipid transfer protein
| IUIS |
| Art v 4 | Artemisia vulgaris | mugwort | weed Asterales | profilin
| IUIS |
| Art v 5 | Artemisia vulgaris | mugwort | weed Asterales | polcalcin
| IUIS |
| Art v 6 | Artemisia vulgaris | mugwort | weed Asterales | pectate lyase
| IUIS |
| Asc s 1 | Ascaris suum | worm | others | ABA-1 polyprotein
| IUIS |
| Asp f 1 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | Restrictocin; Ribonuclease mitogillin; EC 3.1.27
| IUIS |
| Asp f 10 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | aspartic protease
| IUIS |
| Asp f 11 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | PPIase, EC 5.2.1.8, peptidyl-prolyl cis-trans isomerase, rotamase
| IUIS |
| Asp f 12 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | heat shock protein P90; 65 kDa IgE-binding protein
| IUIS |
| Asp f 13 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | alkaline serine protease; Alkaline proteinase; ALP; Elastase; Elastinolytic seri | IUIS |
| Asp f 15 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | Old name: Asp f 13
| IUIS |
| Asp f 16 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | 43kDa protein; Asp f 9 homolog
| IUIS |
| Asp f 17 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | N
| IUIS |
| Asp f 18 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | vacuolar serine protease
| IUIS |
| Asp f 2 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | ASPND1
| IUIS |
| Asp f 22w | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | enolase
| IUIS |
| Asp f 23 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | ribosomal protein L3
| IUIS |
| Asp f 27 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | cyclophilin
| IUIS |
| Asp f 28 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | thioredoxin
| IUIS |
| Asp f 29 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | thioredoxin
| IUIS |
| Asp f 3 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | peroxisomal protein; Thioredoxin reductase; PMP20; Putative peroxiredoxin; EC 1. | IUIS |
| Asp f 4 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | N
| IUIS |
| Asp f 5 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | metalloprotease
| IUIS |
| Asp f 6 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | Mn superoxide dismutase; EC 1.15.1.1
| IUIS |
| Asp f 7 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | secreted and cytoplasmic proteins
| IUIS |
| Asp f 8 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | ribosomal protein P2
| IUIS |
| Asp f 9 | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | N
| IUIS |
| Asp f hydrolase | Aspergillus fumigatus | | fungi (moulds) Ascomycota Eurotiales | hydrolase activity
| non-IUIS |
| Asp fl 1 | Aspergillus flavus | | fungi (moulds) Ascomycota Eurotiales | Alkaline serine protease
| non-IUIS |
| Asp fl 13 | Aspergillus flavus | | fungi (moulds) Ascomycota Eurotiales | alkaline serine protease
| IUIS |
| Asp fl 2 | Aspergillus flavus | | fungi (moulds) Ascomycota Eurotiales | N
| non-IUIS |
| Asp fl 3 | Aspergillus flavus | | fungi (moulds) Ascomycota Eurotiales | N
| non-IUIS |
| Asp fl protease | Aspergillus flavus | | fungi (moulds) Ascomycota Eurotiales | oryzin precursor, EC 3.4.21.63, alkaline serine protease
| non-IUIS |
| Asp n 14 | Aspergillus niger | | fungi (moulds) Ascomycota Eurotiales | beta-xylosidase
| IUIS |
| Asp n 18 | Aspergillus niger | | fungi (moulds) Ascomycota Eurotiales | vacuolar serine protease
| IUIS |
| Asp n 25 | Aspergillus niger | | fungi (moulds) Ascomycota Eurotiales | 3-phytase B
| IUIS |
| Asp n ? | Aspergillus niger | | fungi (moulds) Ascomycota Eurotiales | N
| IUIS |
| Asp o 13 | Aspergillus oryzae | | fungi (moulds) Ascomycota Eurotiales | alkaline serine protease
| IUIS |
| Asp o 21 | Aspergillus oryzae | | fungi (moulds) Ascomycota Eurotiales | TAKA-amylase A
| IUIS |
| Aspa o 1 | Asparagus officinalis | asparagus | foods | lipid transfer protein
| IUIS |