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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: POLR2B All Species: 30.61
Human Site: S250 Identified Species: 56.11
UniProt: P30876 Number Species: 12
    Phosphosite Substitution
    Charge Score: -0.08
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 P30876 NP_000929.1 1174 133897 S250 G G Q G A K K S A I G Q R I V
Chimpanzee Pan troglodytes XP_001136218 1099 125171 F245 E Q N V A L N F I G S R G A K
Rhesus Macaque Macaca mulatta XP_001083325 1235 140431 S311 G G Q G A K K S A I G Q R I V
Dog Lupus familis XP_861018 1173 133745 S250 G G Q G A K K S A I G Q R I V
Cat Felis silvestris
Mouse Mus musculus Q8CFI7 1174 133892 S250 G G Q G A K K S A I G Q R I V
Rat Rattus norvegicus O54888 1135 127691 K254 L P L G F A L K A L V S F S D
Wallaby Macropus eugenll
Platypus Ornith. anatinus
Chicken Gallus gallus NP_001006448 1174 133860 S250 G G Q G A K K S A I G Q R I V
Frog Xenopus laevis
Zebra Danio Brachydanio rerio NP_001019632 1174 133813 S250 G G Q G V K K S A I G Q R I V
Tiger Blowfish Takifugu rubipres
Fruit Fly Dros. melanogaster P08266 1176 134024 S251 G S Q N I K K S A I G Q R I I
Honey Bee Apis mellifera
Nematode Worm Caenorhab. elegans Q10578 1193 134886 T256 G G G G G K K T A M G Q R I I
Sea Urchin Strong. purpuratus
Poplar Tree Populus trichocarpa
Maize Zea mays
Rice Oryza sativa
Thale Cress Arabidopsis thaliana P38420 1188 135001 S256 R A S A K G G S S G Q Y I R C
Baker's Yeast Sacchar. cerevisiae P08518 1224 138733 G263 V K L Y G R E G S S A R T I K
Red Bread Mold Neurospora crassa O74633 1234 138583 F256 D G N V T F R F S W R K N E Y
Conservation
Percent
Protein Identity: 100 93.4 95 99.6 N.A. 99.9 26.9 N.A. N.A. 99.4 N.A. 97 N.A. 85.9 N.A. 77.8 N.A.
Protein Similarity: 100 93.6 95 99.7 N.A. 100 43.4 N.A. N.A. 99.8 N.A. 99.3 N.A. 94 N.A. 88.8 N.A.
P-Site Identity: 100 6.6 100 100 N.A. 100 13.3 N.A. N.A. 100 N.A. 93.3 N.A. 73.3 N.A. 66.6 N.A.
P-Site Similarity: 100 13.3 100 100 N.A. 100 20 N.A. N.A. 100 N.A. 93.3 N.A. 80 N.A. 86.6 N.A.
Percent
Protein Identity: N.A. N.A. N.A. 66.6 58.7 26.4
Protein Similarity: N.A. N.A. N.A. 80.1 74.2 44.3
P-Site Identity: N.A. N.A. N.A. 6.6 6.6 6.6
P-Site Similarity: N.A. N.A. N.A. 13.3 33.3 26.6
Phosphosite
Consensus
Position -7 -6 -5 -4 -3 -4 -5 0 +1 +2 +3 +4 +5 +6 +7
% Ala: 0 8 0 8 47 8 0 0 70 0 8 0 0 8 0 % A
% Cys: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 % C
% Asp: 8 0 0 0 0 0 0 0 0 0 0 0 0 0 8 % D
% Glu: 8 0 0 0 0 0 8 0 0 0 0 0 0 8 0 % E
% Phe: 0 0 0 0 8 8 0 16 0 0 0 0 8 0 0 % F
% Gly: 62 62 8 62 16 8 8 8 0 16 62 0 8 0 0 % G
% His: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 % H
% Ile: 0 0 0 0 8 0 0 0 8 54 0 0 8 70 16 % I
% Lys: 0 8 0 0 8 62 62 8 0 0 0 8 0 0 16 % K
% Leu: 8 0 16 0 0 8 8 0 0 8 0 0 0 0 0 % L
% Met: 0 0 0 0 0 0 0 0 0 8 0 0 0 0 0 % M
% Asn: 0 0 16 8 0 0 8 0 0 0 0 0 8 0 0 % N
% Pro: 0 8 0 0 0 0 0 0 0 0 0 0 0 0 0 % P
% Gln: 0 8 54 0 0 0 0 0 0 0 8 62 0 0 0 % Q
% Arg: 8 0 0 0 0 8 8 0 0 0 8 16 62 8 0 % R
% Ser: 0 8 8 0 0 0 0 62 24 8 8 8 0 8 0 % S
% Thr: 0 0 0 0 8 0 0 8 0 0 0 0 8 0 0 % T
% Val: 8 0 0 16 8 0 0 0 0 0 8 0 0 0 47 % V
% Trp: 0 0 0 0 0 0 0 0 0 8 0 0 0 0 0 % W
% Tyr: 0 0 0 8 0 0 0 0 0 0 0 8 0 0 8 % Y
% Spaces: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 % _