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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P04268 New Search
5PDB entries
10Biological assembly
38chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P04268 1ic2 TROPOMYOSIN ALPHA CHAIN, SKELETAL MUSCLE Author chain A Reference sequence 1–81 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 1ic2 TROPOMYOSIN ALPHA CHAIN, SKELETAL MUSCLE Author chain B Reference sequence 1–81 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 1ic2 TROPOMYOSIN ALPHA CHAIN, SKELETAL MUSCLE Author chain C Reference sequence 1–81 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 1ic2 TROPOMYOSIN ALPHA CHAIN, SKELETAL MUSCLE Author chain D Reference sequence 1–81 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 1ic2 TROPOMYOSIN ALPHA CHAIN, SKELETAL MUSCLE Author chain A Reference sequence 1–81 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 1ic2 TROPOMYOSIN ALPHA CHAIN, SKELETAL MUSCLE Author chain B Reference sequence 1–81 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 1ic2 TROPOMYOSIN ALPHA CHAIN, SKELETAL MUSCLE Author chain C Reference sequence 1–81 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 1ic2 TROPOMYOSIN ALPHA CHAIN, SKELETAL MUSCLE Author chain D Reference sequence 1–81 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 3mtu Tropomyosin alpha-1 chain,Microtubule-associated protein RP/EB family member 1 Author chain A Reference sequence 2–29 1 Insufficient information Heteromer Protein 6 hexameric （6） Consistent with protein count
P04268 3mtu Tropomyosin alpha-1 chain,Microtubule-associated protein RP/EB family member 1 Author chain B Reference sequence 2–29 1 Insufficient information Heteromer Protein 6 hexameric （6） Consistent with protein count
P04268 3mtu Tropomyosin alpha-1 chain,Microtubule-associated protein RP/EB family member 1 Author chain C Reference sequence 2–29 1 Insufficient information Heteromer Protein 6 hexameric （6） Consistent with protein count
P04268 3mtu Tropomyosin alpha-1 chain,Microtubule-associated protein RP/EB family member 1 Author chain D Reference sequence 2–29 1 Insufficient information Heteromer Protein 6 hexameric （6） Consistent with protein count
P04268 3mtu Capsid assembly scaffolding protein,Tropomyosin alpha-1 chain Author chain E Reference sequence 257–283 1 Insufficient information Heteromer Protein 6 hexameric （6） Consistent with protein count
P04268 3mtu Capsid assembly scaffolding protein,Tropomyosin alpha-1 chain Author chain F Reference sequence 257–283 1 Insufficient information Heteromer Protein 6 hexameric （6） Consistent with protein count
P04268 3mtu Tropomyosin alpha-1 chain,Microtubule-associated protein RP/EB family member 1 Author chain A Reference sequence 2–29 2 Insufficient information Heteromer Protein 5 pentameric （5） Consistent with protein count
P04268 3mtu Tropomyosin alpha-1 chain,Microtubule-associated protein RP/EB family member 1 Author chain B Reference sequence 2–29 2 Insufficient information Heteromer Protein 5 pentameric （5） Consistent with protein count
P04268 3mtu Tropomyosin alpha-1 chain,Microtubule-associated protein RP/EB family member 1 Author chain C Reference sequence 2–29 2 Insufficient information Heteromer Protein 5 pentameric （5） Consistent with protein count
P04268 3mtu Tropomyosin alpha-1 chain,Microtubule-associated protein RP/EB family member 1 Author chain D Reference sequence 2–29 2 Insufficient information Heteromer Protein 5 pentameric （5） Consistent with protein count
P04268 3mtu Capsid assembly scaffolding protein,Tropomyosin alpha-1 chain Author chain E Reference sequence 257–283 2 Insufficient information Heteromer Protein 5 pentameric （5） Consistent with protein count
P04268 3mtu Capsid assembly scaffolding protein,Tropomyosin alpha-1 chain Author chain F Reference sequence 257–283 2 Insufficient information Heteromer Protein 5 pentameric （5） Consistent with protein count
P04268 3mud DNA repair protein XRCC4,Tropomyosin alpha-1 chain Author chain A Reference sequence 250–284 1 Insufficient information Heteromer Protein 4 tetrameric （4） Consistent with protein count
P04268 3mud DNA repair protein XRCC4,Tropomyosin alpha-1 chain Author chain B Reference sequence 250–284 1 Insufficient information Heteromer Protein 4 tetrameric （4） Consistent with protein count
P04268 3u1a smooth muscle tropomyosin alpha Author chain A Reference sequence 1–81 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 3u1a smooth muscle tropomyosin alpha Author chain B Reference sequence 1–81 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 3u1a smooth muscle tropomyosin alpha Author chain C Reference sequence 1–81 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 3u1a smooth muscle tropomyosin alpha Author chain D Reference sequence 1–81 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 3u1a smooth muscle tropomyosin alpha Author chain A Reference sequence 1–81 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 3u1a smooth muscle tropomyosin alpha Author chain B Reference sequence 1–81 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 3u1a smooth muscle tropomyosin alpha Author chain C Reference sequence 1–81 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 3u1a smooth muscle tropomyosin alpha Author chain D Reference sequence 1–81 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 3u1a smooth muscle tropomyosin alpha Author chain A Reference sequence 1–81 3 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
P04268 3u1a smooth muscle tropomyosin alpha Author chain B Reference sequence 1–81 3 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
P04268 3u1a smooth muscle tropomyosin alpha Author chain C Reference sequence 1–81 3 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
P04268 3u1a smooth muscle tropomyosin alpha Author chain D Reference sequence 1–81 3 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
P04268 3u1c Tropomyosin alpha-1 chain Author chain A Reference sequence 1–98 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 3u1c Tropomyosin alpha-1 chain Author chain B Reference sequence 1–98 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 3u1c Tropomyosin alpha-1 chain Author chain A Reference sequence 1–98 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04268 3u1c Tropomyosin alpha-1 chain Author chain B Reference sequence 1–98 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count

“Homomeric versus heteromeric classification follows protein identity; different constructs of the same UniProt entry still require comparison of reference-sequence ranges, mutations and missing segments. Assemblies marked for review remain visible but are not included in the highest-confidence candidate set.