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Table 2 Characterization of histone H3 variants incorporated into chromatin

From: Tissue-specific expression of histone H3 variants diversified after species separation

H3 variant

AA alternation (from)

Motif 87–90

Edit distance [nt] (from)

mRNA/protein

Chromatin incorporable

Tissue specificity

Expression pattern

Distribution pattern

H3.1

S96C (H3.2)

SAVM

–

–

Yes

–

D1/2

Global

H3t

A24V, R42H, A98S (H3.1)

SAVM

52 (Hist1h3a)

Protein

Yes

Testis

D1/2

Global

H3.2

C96S (H3.1)

SAVM

10 (Hist1h3a)

–

Yes

–

D1/2

Global

H3.3

A31S, S87A, V89I, M90G (H3.2)

AAIG

–

–

Yes

–

D3

Local

H3mm6

#11 (H3.3)

AAIG

15 (H3f3a)

None

No

–

–

–

H3mm7

T32I, S57A (H3.3)

AAIG

3 (H3f3a)

Protein

Yes

SKMa, testis

D3

Local

H3mm8

#23 (H3.3)

AAIG

68 (H3f3b)

mRNA

No

–

–

–

H3mm9

#51 (H3.3)

AAIG

102 (H3f3a)

None

No

–

–

–

H3mm10

#23 (H3.3)

AVIG

32 (H3f3a)

mRNA

No

–

–

–

H3mm11

R2L, A25T (H3.3)

AAIG

4 (H3f3a)

None

Yes

–

D3

Local

H3mm12

K14N, A15S, E97G, Y99F (H3.3)

AAIG

6 (H3f3a)

None

Yes

–

D1/2

Local

H3mm13

A29V, R69G, R131C (H3.3)

AAIG

4 (H3f3a)

mRNA

Yes

–

D1/2

Local

H3mm14

#37 (H3.3)

AAIG

89 (H3f3a)

mRNA

No

–

–

–

H3mm15

L100Q, I112V, R128C (H3.3)

AAIG

5 (H3f3a)

mRNA

No

–

–

–

H3mm16

R8H, Q19K, R128C, G132R (H3.3)

AAIG

7 (H3f3a)

None

Yes

–

D1/2

Local

H3mm17

#16 (H3.3)

SAIG

24 (H3f3a)

mRNA

No

–

–

–

H3mm18

#12 (H3.3)

AAIG

17 (H3f3a)

None

No

–

–

–

  1. aSkeletal muscle