| ID | Definition | Species | Length | Seq. |
| XSB2688 | Chain A, Atomic Structure Of The Actin:dnase I Complex | synthetic construct | 372 | FASTA |
| XSB2689 | skeletal muscle alpha actin 2 [Pagrus major] | Pagrus major (red seabream) | 377 | FASTA |
| XSB2690 | skeletal muscle alpha actin 1 [Pagrus major] | Pagrus major (red seabream) | 377 | FASTA |
| XSB2691 | PREDICTED: similar to MGC64484 protein [Ornithorhynchus anatinus] | Ornithorhynchus anatinus (platypus) | 299 | FASTA |
| XSB2692 | PREDICTED: similar to alpha 3-actin, partial [Ornithorhynchus anatinus] | Ornithorhynchus anatinus (platypus) | 330 | FASTA |
| XSB2693 | actin, alpha 1, skeletal muscle, isoform CRA_a [Rattus norvegicus] | Rattus norvegicus (Norway rat) | 465 | FASTA |
| XSB2694 | actin, alpha 1a, skeletal muscle [Danio rerio] | Danio rerio (zebrafish) | 377 | FASTA |
| XSB2695 | similar to actin alpha [Xenopus laevis] | Xenopus laevis (African clawed frog) | 377 | FASTA |
| XSB2696 | Actin, alpha skeletal muscle | Cyprinus carpio (common carp) | 377 | FASTA |
| XSB2697 | fast myotomal muscle actin [Salmo salar] | Salmo salar (Atlantic salmon) | 377 | FASTA |
| XSB2698 | similar to actin, alpha 1, skeletal muscle [Xenopus laevis] | Xenopus laevis (African clawed frog) | 377 | FASTA |
| XSB2699 | cardiac muscle alpha actin 1 proprotein [Homo sapiens] | Homo sapiens (human) | 377 | FASTA |
| XSB2700 | Chain A, Complex Between Rabbit Muscle Alpha-Actin: Human Gelsolin Domain 1 | Oryctolagus cuniculus (rabbit) | 377 | FASTA |
| XSB2701 | Actin, alpha skeletal muscle A | Takifugu rubripes (Fugu rubripes) | 377 | FASTA |
| XSB2702 | Actin, muscle-type | Molgula oculata | 378 | FASTA |
| XSB2703 | Chain A, Crystal Structure Of Human Vitamin D-Binding Protein In Complex With Skeletal Actin | Oryctolagus cuniculus (rabbit) | 375 | FASTA |
| XSB2704 | hypothetical protein LOC779129 [Xenopus laevis] | Xenopus laevis (African clawed frog) | 377 | FASTA |
| XSB2705 | Actin, alpha skeletal muscle | Atractaspis microlepidota microlepidota | 377 | FASTA |
| XSB2706 | muscle actin OlMA1 [Oryzias latipes] | Oryzias latipes (Japanese medaka) | 377 | FASTA |
| XSB2707 | hypothetical protein BRAFLDRAFT_126324 [Branchiostoma floridae] | Branchiostoma floridae (Florida lancelet) | 393 | FASTA |
| XSB2708 | hypothetical protein BRAFLDRAFT_91593 [Branchiostoma floridae] | Branchiostoma floridae (Florida lancelet) | 378 | FASTA |
| XSB2709 | hypothetical protein BRAFLDRAFT_91594 [Branchiostoma floridae] | Branchiostoma floridae (Florida lancelet) | 378 | FASTA |
| XSB2710 | hypothetical protein BRAFLDRAFT_127491 [Branchiostoma floridae] | Branchiostoma floridae (Florida lancelet) | 444 | FASTA |
| XSB2711 | hypothetical protein BRAFLDRAFT_91592 [Branchiostoma floridae] | Branchiostoma floridae (Florida lancelet) | 378 | FASTA |
| XSB2712 | PREDICTED: similar to CsMA-1 isoform 2 [Ciona intestinalis] | Ciona intestinalis | 377 | FASTA |
| XSB2713 | PREDICTED: similar to CsMA-1 isoform 1 [Ciona intestinalis] | Ciona intestinalis | 395 | FASTA |
| XSB2714 | PREDICTED: similar to actin, alpha 1, skeletal muscle [Ciona intestinalis] | Ciona intestinalis | 266 | FASTA |
| XSB2715 | PREDICTED: similar to CsMA-1 [Ciona intestinalis] | Ciona intestinalis | 378 | FASTA |
| XSB2716 | PREDICTED: similar to CsMA-1 [Ciona intestinalis] | Ciona intestinalis | 423 | FASTA |
| XSB2717 | hypothetical protein BRAFLDRAFT_91591 [Branchiostoma floridae] | Branchiostoma floridae (Florida lancelet) | 378 | FASTA |
| XSB2718 | PREDICTED: similar to CsMA-1 [Ciona intestinalis] | Ciona intestinalis | 378 | FASTA |
| XSB2719 | hypothetical protein MICPUN_90942 [Micromonas sp. RCC299] | Micromonas sp. RCC299 | 377 | FASTA |
| XSB2720 | actin, flagellar inner arm intermediate chain [Micromonas pusilla CCMP1545] | Micromonas pusilla CCMP1545 | 377 | FASTA |
| XSB2721 | RecName: Full=Actin | Coleochaete scutata | 377 | FASTA |
| XSB2722 | RecName: Full=Actin, muscle | Styela clava | 378 | FASTA |
| XSB2723 | PREDICTED: similar to actin, alpha 1, skeletal muscle [Ciona intestinalis] | Ciona intestinalis | 303 | FASTA |
| XSB2724 | hypothetical protein BRAFLDRAFT_126328 [Branchiostoma floridae] | Branchiostoma floridae (Florida lancelet) | 377 | FASTA |
| XSB2725 | cardiac muscle actin [Homarus americanus] | Homarus americanus (American lobster) | 376 | FASTA |
| XSB2726 | RecName: Full=Actin | Mesostigma viride | 377 | FASTA |
| XSB2727 | actin [Chlamydomonas reinhardtii] | Chlamydomonas reinhardtii | 377 | FASTA |
| XSB2728 | RecName: Full=Actin, muscle 1A | Halocynthia roretzi | 378 | FASTA |
| XSB2729 | actin 4 [Picea abies] | Picea abies (Norway spruce) | 377 | FASTA |
| XSB2730 | predicted protein [Physcomitrella patens subsp. patens] | Physcomitrella patens subsp. patens | 377 | FASTA |
| XSB2731 | predicted protein [Physcomitrella patens subsp. patens] | Physcomitrella patens subsp. patens | 377 | FASTA |
| XSB2732 | predicted protein [Physcomitrella patens subsp. patens] | Physcomitrella patens subsp. patens | 378 | FASTA |
| XSB2733 | predicted protein [Physcomitrella patens subsp. patens] | Physcomitrella patens subsp. patens | 378 | FASTA |
| XSB2734 | cytoskeletal actin CyIIb [Strongylocentrotus purpuratus] | Strongylocentrotus purpuratus | 376 | FASTA |
| XSB2735 | hypothetical protein BRAFLDRAFT_114976 [Branchiostoma floridae] | Branchiostoma floridae (Florida lancelet) | 379 | FASTA |
| XSB2736 | hypothetical protein BRAFLDRAFT_127488 [Branchiostoma floridae] | Branchiostoma floridae (Florida lancelet) | 378 | FASTA |
| XSB2737 | hypothetical protein BRAFLDRAFT_115566 [Branchiostoma floridae] | Branchiostoma floridae (Florida lancelet) | 378 | FASTA |
