| ID: 103247169 | histone cluster 2 H2A family member b [Chlorocebus sabaeus (green monkey)] | NW_023666038.1 (13414990..13416448) | | |
| ID: 100395542 | histone cluster 2, H2ab [Callithrix jacchus (white-tufted-ear marmoset)] | Chromosome 18, NC_071459.1 (3308455..3310451, complement) | | |
| ID: 317772 | H2A clustered histone 21 [Homo sapiens (human)] | Chromosome 1, NC_000001.11 (149887469..149887965, complement) | H2AB, HIST2H2AB | 615014 |
| ID: 621893 | H2A clustered histone 21 [Mus musculus (house mouse)] | Chromosome 3, NC_000069.7 (96127201..96127634) | EG621893, H2a-613a, Hist2h2ab | |
| ID: 690102 | H2A clustered histone 21 [Rattus norvegicus (Norway rat)] | Chromosome 2, NC_086020.1 (186468224..186468657) | Hist2h2ab | |
| ID: 444528 | H2A.X variant histone S homeolog [Xenopus laevis (African clawed frog)] | Chromosome 7S, NC_054384.1 (70070002..70071286) | XELAEV_18004421mg, H2AX, XH2AX, h2a, h2afx, hist2h2ab, hist2h2ab.S | |
| ID: 705170 | H2A clustered histone 21 [Macaca mulatta (Rhesus monkey)] | Chromosome 1, NC_041754.1 (101280822..101281643) | EGK_01212, HIST2H2AB | |
| ID: 614974 | H2A clustered histone 21 [Bos taurus (domestic cattle)] | Chromosome 3, NC_037330.1 (20724183..20724608) | HIST2H2AB | |
| ID: 746557 | H2A clustered histone 21 [Pan troglodytes (chimpanzee)] | Chromosome 1, NC_072398.2 (99335229..99335621) | CK820_G0050081, HIST2H2AB | |
| ID: 594911 | H2A clustered histone 21 [Xenopus tropicalis (tropical clawed frog)] | Chromosome 9, NC_030685.2 (4575519..4575994) | H2AX, XH2AX, h2a, hist2h2ab | |
| ID: 101968149 | histone H2A type 2-B [Ictidomys tridecemlineatus (thirteen-lined ground squirrel)] | NW_024405058.1 (21190943..21191647, complement) | H1C71_032111, HIST2H2AB | |
| ID: 100448122 | histone H2A type 2-B [Pongo abelii (Sumatran orangutan)] | Chromosome 1, NC_071985.2 (100781619..100782250) | CR201_G0018833 | |