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Updated: 2017 Aug. 1

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Warning – Occasionally the phosphosites shown below in more divergent species may be slightly mis-aligned with our algorithm and the calculated Conservation Score may be higher than shown.
Phosphosite   Conservation Score
Human Protein: PIK3CA All Species: 18.18
Human Site: S874 Identified Species: 28.57
UniProt: P42336 Number Species: 14
    Phosphosite Substitution
    Charge Score: -0.43
Phosphosite
Sequences
Species Species
Scientific Name
UniProt ID NCBI Ref Seq ID AA# Mr(Da) P-Site -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7
Human Homo sapiens P42336 NP_006209.2 1068 124284 S874 K G A L Q F N S H T L H Q W L
Chimpanzee Pan troglodytes XP_001160550 1044 119347 K852 A A T A A F N K D A L L N W L
Rhesus Macaque Macaca mulatta XP_001113960 1070 122801 K878 A A A A A F N K D A L L N W L
Dog Lupus familis XP_546764 1044 119674 K852 A A T A A F N K D A L L N W L
Cat Felis silvestris
Mouse Mus musculus P42337 1068 124436 S874 K G A L Q F N S H T L H Q W L
Rat Rattus norvegicus Q9Z1L0 1070 122589 K878 A A T A A F N K D A L L N W L
Wallaby Macropus eugenll
Platypus Ornith. anatinus XP_001505664 1068 124323 S874 K G A L Q F N S H T L H Q W L
Chicken Gallus gallus NP_001004410 1068 124270 S874 K G A L Q F N S H T L H Q W L
Frog Xenopus laevis Q6AZN6 886 101139 Y706 I Q N F F R K Y S P S E K G P
Zebra Danio Brachydanio rerio XP_690235 1069 124426 S874 K G A L Q F N S T T L H Q W L
Tiger Blowfish Takifugu rubipres
Fruit Fly Dros. melanogaster
Honey Bee Apis mellifera XP_623897 1071 123316 G876 A T A A F R R G S L L A W L K
Nematode Worm Caenorhab. elegans Q94125 1182 136855 K990 K S K K D S T K N P I E K K I
Sea Urchin Strong. purpuratus XP_001201471 1049 120959 A859 L T A A F Q K A A L F E W L K
Poplar Tree Populus trichocarpa
Maize Zea mays
Rice Oryza sativa
Thale Cress Arabidopsis thaliana P42339 814 93309 K634 S I T S Y L Q K F H P D E H A
Baker's Yeast Sacchar. cerevisiae P22543 875 100903 H695 I L G Y L K L H Y P D E N A T
Red Bread Mold Neurospora crassa
Conservation
Percent
Protein Identity: 100 40.5 41.5 41 N.A. 98.5 41.3 N.A. 97.5 96.2 21.3 91.6 N.A. N.A. 40.1 26.7 35.3
Protein Similarity: 100 57.9 59.8 58.6 N.A. 99.2 59.5 N.A. 98.9 98.5 40 96 N.A. N.A. 59.2 46.7 55.4
P-Site Identity: 100 33.3 40 33.3 N.A. 100 33.3 N.A. 100 100 0 93.3 N.A. N.A. 13.3 6.6 6.6
P-Site Similarity: 100 33.3 40 33.3 N.A. 100 33.3 N.A. 100 100 6.6 93.3 N.A. N.A. 13.3 33.3 13.3
Percent
Protein Identity: N.A. N.A. N.A. 21.2 22.3 N.A.
Protein Similarity: N.A. N.A. N.A. 40.1 41.8 N.A.
P-Site Identity: N.A. N.A. N.A. 0 0 N.A.
P-Site Similarity: N.A. N.A. N.A. 6.6 6.6 N.A.
Phosphosite
Consensus
Position -7 -6 -5 -4 -3 -4 -5 0 +1 +2 +3 +4 +5 +6 +7
% Ala: 34 27 54 40 27 0 0 7 7 27 0 7 0 7 7 % A
% Cys: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 % C
% Asp: 0 0 0 0 7 0 0 0 27 0 7 7 0 0 0 % D
% Glu: 0 0 0 0 0 0 0 0 0 0 0 27 7 0 0 % E
% Phe: 0 0 0 7 20 60 0 0 7 0 7 0 0 0 0 % F
% Gly: 0 34 7 0 0 0 0 7 0 0 0 0 0 7 0 % G
% His: 0 0 0 0 0 0 0 7 27 7 0 34 0 7 0 % H
% Ile: 14 7 0 0 0 0 0 0 0 0 7 0 0 0 7 % I
% Lys: 40 0 7 7 0 7 14 40 0 0 0 0 14 7 14 % K
% Leu: 7 7 0 34 7 7 7 0 0 14 67 27 0 14 60 % L
% Met: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 % M
% Asn: 0 0 7 0 0 0 60 0 7 0 0 0 34 0 0 % N
% Pro: 0 0 0 0 0 0 0 0 0 20 7 0 0 0 7 % P
% Gln: 0 7 0 0 34 7 7 0 0 0 0 0 34 0 0 % Q
% Arg: 0 0 0 0 0 14 7 0 0 0 0 0 0 0 0 % R
% Ser: 7 7 0 7 0 7 0 34 14 0 7 0 0 0 0 % S
% Thr: 0 14 27 0 0 0 7 0 7 34 0 0 0 0 7 % T
% Val: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 % V
% Trp: 0 0 0 0 0 0 0 0 0 0 0 0 14 60 0 % W
% Tyr: 0 0 0 7 7 0 0 7 7 0 0 0 0 0 0 % Y
% Spaces: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 % _