5H53
The structure of rabbit skeletal muscle actomyosin rigor complex at 5.2 angstrom.
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0003774 | molecular_function | cytoskeletal motor activity |
| A | 0005524 | molecular_function | ATP binding |
| A | 0016459 | cellular_component | myosin complex |
| A | 0051015 | molecular_function | actin filament binding |
| B | 0005509 | molecular_function | calcium ion binding |
| C | 0005509 | molecular_function | calcium ion binding |
| D | 0000166 | molecular_function | nucleotide binding |
| D | 0000287 | molecular_function | magnesium ion binding |
| D | 0001725 | cellular_component | stress fiber |
| D | 0003785 | molecular_function | actin monomer binding |
| D | 0005509 | molecular_function | calcium ion binding |
| D | 0005515 | molecular_function | protein binding |
| D | 0005523 | molecular_function | tropomyosin binding |
| D | 0005524 | molecular_function | ATP binding |
| D | 0005737 | cellular_component | cytoplasm |
| D | 0005856 | cellular_component | cytoskeleton |
| D | 0005865 | cellular_component | striated muscle thin filament |
| D | 0005884 | cellular_component | actin filament |
| D | 0010628 | biological_process | positive regulation of gene expression |
| D | 0016787 | molecular_function | hydrolase activity |
| D | 0019904 | molecular_function | protein domain specific binding |
| D | 0030027 | cellular_component | lamellipodium |
| D | 0030041 | biological_process | actin filament polymerization |
| D | 0030175 | cellular_component | filopodium |
| D | 0030240 | biological_process | skeletal muscle thin filament assembly |
| D | 0031013 | molecular_function | troponin I binding |
| D | 0031432 | molecular_function | titin binding |
| D | 0031941 | cellular_component | filamentous actin |
| D | 0032036 | molecular_function | myosin heavy chain binding |
| D | 0032432 | cellular_component | actin filament bundle |
| D | 0042802 | molecular_function | identical protein binding |
| D | 0044297 | cellular_component | cell body |
| D | 0048306 | molecular_function | calcium-dependent protein binding |
| D | 0048741 | biological_process | skeletal muscle fiber development |
| D | 0051017 | biological_process | actin filament bundle assembly |
| D | 0090131 | biological_process | mesenchyme migration |
| D | 0098723 | cellular_component | skeletal muscle myofibril |
| D | 0140660 | molecular_function | cytoskeletal motor activator activity |
| E | 0000166 | molecular_function | nucleotide binding |
| E | 0000287 | molecular_function | magnesium ion binding |
| E | 0001725 | cellular_component | stress fiber |
| E | 0003785 | molecular_function | actin monomer binding |
| E | 0005509 | molecular_function | calcium ion binding |
| E | 0005515 | molecular_function | protein binding |
| E | 0005523 | molecular_function | tropomyosin binding |
| E | 0005524 | molecular_function | ATP binding |
| E | 0005737 | cellular_component | cytoplasm |
| E | 0005856 | cellular_component | cytoskeleton |
| E | 0005865 | cellular_component | striated muscle thin filament |
| E | 0005884 | cellular_component | actin filament |
| E | 0010628 | biological_process | positive regulation of gene expression |
| E | 0016787 | molecular_function | hydrolase activity |
| E | 0019904 | molecular_function | protein domain specific binding |
| E | 0030027 | cellular_component | lamellipodium |
| E | 0030041 | biological_process | actin filament polymerization |
| E | 0030175 | cellular_component | filopodium |
| E | 0030240 | biological_process | skeletal muscle thin filament assembly |
| E | 0031013 | molecular_function | troponin I binding |
| E | 0031432 | molecular_function | titin binding |
| E | 0031941 | cellular_component | filamentous actin |
| E | 0032036 | molecular_function | myosin heavy chain binding |
| E | 0032432 | cellular_component | actin filament bundle |
| E | 0042802 | molecular_function | identical protein binding |
| E | 0044297 | cellular_component | cell body |
| E | 0048306 | molecular_function | calcium-dependent protein binding |
| E | 0048741 | biological_process | skeletal muscle fiber development |
| E | 0051017 | biological_process | actin filament bundle assembly |
| E | 0090131 | biological_process | mesenchyme migration |
| E | 0098723 | cellular_component | skeletal muscle myofibril |
| E | 0140660 | molecular_function | cytoskeletal motor activator activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 12 |
| Details | binding site for residue ADP D 401 |
| Chain | Residue |
| D | SER14 |
| D | MET305 |
| D | TYR306 |
| D | LYS336 |
| D | GLY156 |
| D | ASP157 |
| D | GLY182 |
| D | LYS213 |
| D | GLU214 |
| D | GLY301 |
| D | GLY302 |
| D | THR303 |
| site_id | AC2 |
| Number of Residues | 11 |
| Details | binding site for residue ADP E 401 |
| Chain | Residue |
| E | GLY156 |
| E | ASP157 |
| E | GLY158 |
| E | LYS213 |
| E | GLU214 |
| E | GLY301 |
| E | GLY302 |
| E | THR303 |
| E | MET305 |
| E | TYR306 |
| E | LYS336 |
Functional Information from PROSITE/UniProt
| site_id | PS00018 |
| Number of Residues | 13 |
| Details | EF_HAND_1 EF-hand calcium-binding domain. DQNRDGIIDkeDL |
| Chain | Residue | Details |
| B | ASP39-LEU51 |
| site_id | PS00406 |
| Number of Residues | 11 |
| Details | ACTINS_1 Actins signature 1. YVGDEAQs.KRG |
| Chain | Residue | Details |
| D | TYR53-GLY63 |
| site_id | PS00432 |
| Number of Residues | 9 |
| Details | ACTINS_2 Actins signature 2. WITKqEYDE |
| Chain | Residue | Details |
| D | TRP356-GLU364 |
| site_id | PS01132 |
| Number of Residues | 13 |
| Details | ACTINS_ACT_LIKE Actins and actin-related proteins signature. LLTEApLNPkaNR |
| Chain | Residue | Details |
| D | LEU104-ARG116 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI5 |
| Number of Residues | 70 |
| Details | Domain: {"description":"EF-hand 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 70 |
| Details | Domain: {"description":"EF-hand 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 67 |
| Details | Domain: {"description":"EF-hand 3","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI8 |
| Number of Residues | 4 |
| Details | Binding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI9 |
| Number of Residues | 3 |
| Details | Modified residue: {"description":"Phosphothreonine","evidences":[{"source":"UniProtKB","id":"P04466","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI10 |
| Number of Residues | 1 |
| Details | Modified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P04466","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI11 |
| Number of Residues | 2 |
| Details | Modified residue: {"description":"Phosphothreonine","evidences":[{"source":"UniProtKB","id":"P02600","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI12 |
| Number of Residues | 2 |
| Details | Modified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P02600","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI13 |
| Number of Residues | 50 |
| Details | Region: {"description":"Interaction with alpha-actinin","evidences":[{"source":"PubMed","id":"8449927","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI14 |
| Number of Residues | 2 |
| Details | Modified residue: {"description":"N-acetylaspartate; in Actin, alpha skeletal muscle","evidences":[{"source":"PubMed","id":"1150665","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI15 |
| Number of Residues | 4 |
| Details | Modified residue: {"description":"Methionine (R)-sulfoxide","evidences":[{"source":"UniProtKB","id":"P68134","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI16 |
| Number of Residues | 2 |
| Details | Modified residue: {"description":"N6-malonyllysine","evidences":[{"evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI17 |
| Number of Residues | 2 |
| Details | Modified residue: {"description":"Tele-methylhistidine","evidences":[{"source":"PubMed","id":"1150665","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16905096","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"213279","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"2395459","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"499690","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1ATN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NWK","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI18 |
| Number of Residues | 2 |
| Details | Modified residue: {"description":"N6-methyllysine","evidences":[{"source":"UniProtKB","id":"P68133","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI19 |
| Number of Residues | 2 |
| Details | Modified residue: {"description":"ADP-ribosylarginine; by SpvB","evidences":[{"source":"PubMed","id":"16905096","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |






