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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: POLR2K All Species: 26.97
Human Site: Y45 Identified Species: 49.44
UniProt: P53803 Number Species: 12
    Phosphosite Substitution
    Charge Score: -0.33
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 P53803 NP_005025.1 58 7004 Y45 E C G Y R I M Y K K R T K R L
Chimpanzee Pan troglodytes
Rhesus Macaque Macaca mulatta
Dog Lupus familis
Cat Felis silvestris
Mouse Mus musculus Q63871 58 6956 Y45 E C G Y R I M Y K K R T K R L
Rat Rattus norvegicus XP_002725788 107 12353 Y73 E C G Y R I M Y K K R T K R L
Wallaby Macropus eugenll
Platypus Ornith. anatinus
Chicken Gallus gallus XP_001231230 58 6956 Y45 E C G Y R I M Y K K R T K R L
Frog Xenopus laevis
Zebra Danio Brachydanio rerio XP_002665538 58 6970 Y45 E C G Y R I M Y K K R T K R L
Tiger Blowfish Takifugu rubipres
Fruit Fly Dros. melanogaster NP_001097319 57 6823 K45 C G Y R I M Y K K R T K R L V
Honey Bee Apis mellifera XP_001122738 50 6000 G39 P I R C R E C G Y R I M Y K K
Nematode Worm Caenorhab. elegans NP_501593 62 7059 Y49 E C G Y R I L Y K K R C R K L
Sea Urchin Strong. purpuratus XP_782969 64 7280 Y51 E C G Y R I M Y K K R T K R M
Poplar Tree Populus trichocarpa XP_002317630 51 5962 K40 G Y R I L Y K K R T R R I V Q
Maize Zea mays NP_001151371 52 6030 K41 G Y R I L Y K K R T R R I V Q
Rice Oryza sativa
Thale Cress Arabidopsis thaliana NP_198917 51 5878 K40 G Y R I L Y K K R T R R V V Q
Baker's Yeast Sacchar. cerevisiae P40422 70 7697 L57 D C G H R I L L K A R T K R L
Red Bread Mold Neurospora crassa
Conservation
Percent
Protein Identity: 100 N.A. N.A. N.A. N.A. 98.2 50.4 N.A. N.A. 96.5 N.A. 94.8 N.A. 70.6 63.7 61.2 73.4
Protein Similarity: 100 N.A. N.A. N.A. N.A. 98.2 52.3 N.A. N.A. 100 N.A. 100 N.A. 74.1 72.4 72.5 78.1
P-Site Identity: 100 N.A. N.A. N.A. N.A. 100 100 N.A. N.A. 100 N.A. 100 N.A. 6.6 6.6 73.3 93.3
P-Site Similarity: 100 N.A. N.A. N.A. N.A. 100 100 N.A. N.A. 100 N.A. 100 N.A. 33.3 20 93.3 100
Percent
Protein Identity: 55.1 55.1 N.A. 53.4 35.7 N.A.
Protein Similarity: 72.4 74.1 N.A. 72.4 55.7 N.A.
P-Site Identity: 6.6 6.6 N.A. 6.6 66.6 N.A.
P-Site Similarity: 13.3 13.3 N.A. 13.3 86.6 N.A.
Phosphosite
Consensus
Position -7 -6 -5 -4 -3 -4 -5 0 +1 +2 +3 +4 +5 +6 +7
% Ala: 0 0 0 0 0 0 0 0 0 8 0 0 0 0 0 % A
% Cys: 8 62 0 8 0 0 8 0 0 0 0 8 0 0 0 % C
% Asp: 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 % D
% Glu: 54 0 0 0 0 8 0 0 0 0 0 0 0 0 0 % E
% Phe: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 % F
% Gly: 24 8 62 0 0 0 0 8 0 0 0 0 0 0 0 % G
% His: 0 0 0 8 0 0 0 0 0 0 0 0 0 0 0 % H
% Ile: 0 8 0 24 8 62 0 0 0 0 8 0 16 0 0 % I
% Lys: 0 0 0 0 0 0 24 31 70 54 0 8 54 16 8 % K
% Leu: 0 0 0 0 24 0 16 8 0 0 0 0 0 8 54 % L
% Met: 0 0 0 0 0 8 47 0 0 0 0 8 0 0 8 % M
% Asn: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 % N
% Pro: 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 % P
% Gln: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 24 % Q
% Arg: 0 0 31 8 70 0 0 0 24 16 85 24 16 54 0 % R
% Ser: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 % S
% Thr: 0 0 0 0 0 0 0 0 0 24 8 54 0 0 0 % T
% Val: 0 0 0 0 0 0 0 0 0 0 0 0 8 24 8 % V
% Trp: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 % W
% Tyr: 0 24 8 54 0 24 8 54 8 0 0 0 8 0 0 % Y
% Spaces: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 % _