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(-) Description

Title :  MYOSIN SUBFRAGMENT-1, ALPHA CARBON COORDINATES ONLY FOR THE TWO LIGHT CHAINS
 
Authors :  I. Rayment, H. M. Holden
Date :  27 Jun 96  (Deposition) - 11 Jan 97  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.80
Chains :  Asym./Biol. Unit :  A,B,C
Keywords :  Muscle Protein, Myosin Subfragment-1, Myosin Head, Motor Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  I. Rayment, W. R. Rypniewski, K. Schmidt-Base, R. Smith, D. R. Tomchick, M. M. Benning, D. A. Winkelmann, G. Wesenberg, H. M. Holden
Three-Dimensional Structure Of Myosin Subfragment-1: A Molecular Motor.
Science V. 261 50 1993
PubMed-ID: 8316857
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - MYOSIN
    Chains: A
    Fragment: SUBFRAGMENT-1
    Organ: SKELETAL
    Organism Common: CHICKEN
    Organism Scientific: GALLUS GALLUS
    Organism Taxid: 9031
    Other Details: PROTEOLYTIC FRAGMENT OF MYOSIN GENERATED BY PAPAIN DIGESTION
    Tissue: PECTORALIS MUSCLE
 
Molecule 2 - MYOSIN
    Chains: B
    Fragment: SUBFRAGMENT-1
    Organ: SKELETAL
    Organism Common: CHICKEN
    Organism Scientific: GALLUS GALLUS
    Organism Taxid: 9031
    Other Details: PROTEOLYTIC FRAGMENT OF MYOSIN GENERATED BY PAPAIN DIGESTION
    Tissue: PECTORALIS MUSCLE
 
Molecule 3 - MYOSIN
    Chains: C
    Fragment: SUBFRAGMENT-1
    Organ: SKELETAL
    Organism Common: CHICKEN
    Organism Scientific: GALLUS GALLUS
    Organism Taxid: 9031
    Other Details: PROTEOLYTIC FRAGMENT OF MYOSIN GENERATED BY PAPAIN DIGESTION
    Tissue: PECTORALIS MUSCLE

 Structural Features

(-) Chains, Units

  123
Asymmetric/Biological Unit : ABC

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 47)

Asymmetric/Biological Unit (3, 47)
No.NameCountTypeFull Name
1MG1Ligand/IonMAGNESIUM ION
2MLY45Mod. Amino AcidN-DIMETHYL-LYSINE
3SO41Ligand/IonSULFATE ION

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER A:181 , GLY A:182 , ALA A:183 , GLY A:184 , LYS A:185 , THR A:186 , ASN A:240 , SER A:243BINDING SITE FOR RESIDUE SO4 A 5000

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2MYS)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2MYS)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2MYS)

(-) PROSITE Motifs  (4, 11)

Asymmetric/Biological Unit (4, 11)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1EF_HAND_2PS50222 EF-hand calcium-binding domain profile.MLE3_CHICK6-41
63-79
83-118
133-150		  4C:9-40
C:63-78
C:82-117
C:132-149
MLRS_CHICK24-59
94-129
130-165		  3B:22-57
B:92-123
B:128-162
MLE1_CHICK48-83
105-121
125-160
175-192		  4C:8-40
C:63-78
C:82-117
C:132-149
2EF_HAND_1PS00018 EF-hand calcium-binding domain.MLRS_CHICK37-49  1B:35-47
3MYOSIN_MOTORPS51456 Myosin motor domain profile.MYSS_CHICK87-781  1A:86-780
4IQPS50096 IQ motif profile.MYSS_CHICK784-813  1A:783-812

(-) Exons   (4, 4)

Asymmetric/Biological Unit (4, 4)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1bENSGALT000000400541bENSGALE00000264781chr7:2775949-2775706244MLE3_CHICK1-46461C:5-4541
1.3ENSGALT000000400543ENSGALE00000029231chr7:2765388-276536128MLE3_CHICK47-56101C:46-494
1.4bENSGALT000000400544bENSGALE00000029234chr7:2762490-2762347144MLE3_CHICK56-104491C:61-10343
1.5ENSGALT000000400545ENSGALE00000029233chr7:2760806-2760633174MLE3_CHICK104-162591C:103-14947
1.6ENSGALT000000400546ENSGALE00000029236chr7:2760160-276008378MLE3_CHICK162-188270--
1.7cENSGALT000000400547cENSGALE00000029235chr7:2759583-275953153MLE3_CHICK188-19690--
1.8bENSGALT000000400548bENSGALE00000264631chr7:2758697-2758273425MLE3_CHICK-00--

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:800
 aligned with MYSS_CHICK | P13538 from UniProtKB/Swiss-Prot  Length:1939

    Alignment length:840
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474       484       494       504       514       524       534       544       554       564       574       584       594       604       614       624       634       644       654       664       674       684       694       704       714       724       734       744       754       764       774       784       794       804       814       824       834       844
           MYSS_CHICK     5 DAEMAAFGEAAPYLRKSEKERIEAQNKPFDAKSSVFVVHPKESFVKGTIQSKEGGKVTVKTEGGETLTVKEDQVFSMNPPKYDKIEDMAMMTHLHEPAVLYNLKERYAAWMIYTYSGLFCVTVNPYKWLPVYNPEVVLAYRGKKRQEAPPHIFSISDNAYQFMLTDRENQSILITGESGAGKTVNTKRVIQYFATIAASGEKKKEEQSGKMQGTLEDQIISANPLLEAFGNAKTVRNDNSSRFGKFIRIHFGATGKLASADIETYLLEKSRVTFQLPAERSYHIFYQIMSNKKPELIDMLLITTNPYDYHYVSQGEITVPSIDDQEELMATDSAIDILGFSADEKTAIYKLTGAVMHYGNLKFKQKQREEQAEPDGTEVADKAAYLMGLNSAELLKALCYPRVKVGNEFVTKGQTVSQVHNSVGALAKAVYEKMFLWMVIRINQQLDTKQPRQYFIGVLDIAGFEIFDFNSFEQLCINFTNEKLQQFFNHHMFVLEQEEYKKEGIEWEFIDFGMDLAACIELIEKPMGIFSILEEECMFPKATDTSFKNKLYDQHLGKSNNFQKPKPAKGKAEAHFSLVHYAGTVDYNISGWLEKNKDPLNETVIGLYQKSSVKTLALLFATYGGEAEGGGGKKGGKKKGSSFQTVSALFRENLNKLMANLRSTHPHFVRCIIPNETKTPGAMEHELVLHQLRCNGVLEGIRICRKGFPSRVLYADFKQRYRVLNASAIPEGQFMDSKKASEKLLGSIDVDHTQYRFGHTKVFFKAGLLGLLEEMRDDKLAEIITRTQARCRGFLMRVEYRRMVERRESIFCIQYNVRSFMNVKHWPWMKLFFKIKPLLK 844
               SCOP domains d2mysa2 A:4-33,A:80-843       d2mysa1 A:34-79                               d2mysa2 A:4-33,A:80-843 Myosin S1, motor domain                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains -------------------------------Myosin_N-2mysA02 A:35-76                  -----------Myosin_head-2mysA01 A:88-768                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             --------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..........hhhh.......hhhh.............................................hhh..............hhh......hhhhhhhhh.......eeee..eeeee............................hhhhhhhhhhhhhhh...eeeeeee.....hhhhhhhhhhhhhhhh....-----------..hhhhhhhhhhhhhhhh................eeeee..................hhh..........hhhhhhhh....hhhhhh.....hhh.hhh...........hhhhhhhhhhhhhh.....hhhhhhhhhh.hhhhhhh...................hhhhhhhh...hhhhhhhhh................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh........eeeeeeeee.........hhhhhhhhhhhhhhhhhhhhhhhhhhhh.............hhhhhhhhhhh.....hhhhhhhhhh.............hhhh.............---....eeee....eeee..............hhhhhhh.......hhhhh...--------------------...hhhhhhhhhhhhhhhh..eeeeeeee............hhhhhhhhhhh.hhhhhhhh.........hhhhhhhhhhh....------....hhhhhhhh.....................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhh....... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (2)
                PROSITE (3) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (3)
                PROSITE (4) ----------------------------------------------------------------------------------MYOSIN_MOTOR  PDB: A:86-780 UniProt: 87-781                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            --------------------------------------------------------------- PROSITE (4)
                PROSITE (1) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------IQ  PDB: A:783-812            ------------------------------- PROSITE (1)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2mys A   4 DAEMAAFGEAAPYLRkSEKERIEAQNkPFDAkSSVFVVHPKQSFVkGTIQSkEGGkVTVkTEGGETLTVKEDQVFSMNPPkYDkIEDMAMMTHLHEPAVLYNLkERYAAWMIYTYSGLFCVTVNPYkWLPVYNPkVVLAYRGKKRQEAPPHIFSISDNAYQFMLTDRENQSILITGESGAGKTVNTkRVIQYFATIAASGE-----------GTLEDQIISANPLLEAFGNAkTVRNDNSSRFGkFIRIHFGATGKLASADIETYLLEkSRVTFQLPAERSYHIFYQIMSNkkPELIDMLLITTNPYDYHYVSEGEITVPSIDDQEELMATDSAIDILGFSADEkTAIYkLTGAVMHYGNLKFkQkQREEQAEPDGTEVADkAAYLMGLNSAELLKALCYPRVGVGNEAVTkGETVSEVHNSVGALAkAVYEkMFLWMVIRINQQLDTKQPRQYFIGVLDIAGFEIFDFNSFEQLCINFTNEkLQQFFNHHMFVLEQEEYkkEGIEWEFIDFGMDLAACIELIEkPMGIFSILEEECMFPKATDTSFkNkLYDEHLGKSNNFQKPKPA---AEAHFSLVHYAGTVDYNISGWLEkNkDPLNETVIGLYQkSSVkTLALLFATY--------------------QTVSALFRENLNkLMANLRSTHPHFVRCIIPNETkTPGAMEHELVLHQLRCNGVLEGIRICRKGFPSRVLYADFKQRYRVLNASA------MDSKKASEKLLGGGDVDHTQYAFGHTkVFFkAGLLGLLEEMRDDkLAEIITATQARCRGFLMRVEYRAMVERRESIFCIQYNVRSFMNVkHWPWMkLFFkIkPLLK 843
                                    13     |  23      | 33 |      43     |  53 |   |  63        73        83|  |    93       103   |   113       123      |133    |  143       153       163       173       183      |193       203|        -  |    223       233  |    243    |  253       263       273       283       293 ||    303       313       323       333       343    |  353       363   | | 373       383 |     393       403       413 |     423       433  |    443       453       463       473       483  |    493       503||     513       523    |  533       543       553       563       | - |     583       593    | |603       613   |   623  |      -         -   |   653     | 663       673       683       693       703       713       723       | -    |  743       753       763|   |  773       783       793       803       813       823   |   833   | | 843
                                          19-MLY     30-MLY|            49-MLY |   |   |                   84-MLY                107-MLY                130-MLY 138-MLY                                             190-MLY       204         216                 236-MLY     248-MLY                 272-MLY                295-MLY                                              348-MLY|           367-MLY           385-MLY                       415-MLY         431-MLY|                                               486-MLY           504-MLY                 528-MLY                551-MLY             571 575                    598-MLY        613-MLY      626                  647         659-MLY               681-MLY                                           731    738                       764-MLY           782-MLY                                      827-MLY |   | |    
                                                          35-MLY              55-MLY   |                      87-MLY                                                                                                                                                                                                          296-MLY                                                  353-MLY         369-MLY                                                            436-MLY                                                              505-MLY                                         553-MLY                                        600-MLY          617-MLY                                                                                                                                                768-MLY                                                          833-MLY |    
                                                                                  59-MLY                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   837-MLY  
                                                                                      63-MLY                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 839-MLY


Chain B from PDB  Type:PROTEIN  Length:138
 aligned with MLRS_CHICK | P02609 from UniProtKB/Swiss-Prot  Length:168

    Alignment length:145
                                    30        40        50        60        70        80        90       100       110       120       130       140       150       160     
           MLRS_CHICK    21 FDQTQIQEFKEAFTVIDQNRDGIIDKDDLRETFAAMGRLNVKNEELDAMIKEASGPINFTVFLTMFGEKLKGADPEDVIMGAFKVLDPDGKGSIKKSFLEELLTTQCDRFTPEEIKNMWAAFPPDVAGNVDYKNICYVITHGEDK 165
               SCOP domains d2mysb_ B: Myosin Essential Chain                                                                                                                 SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ............................................................................................................-..............------................ Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ---EF_HAND_2  PDB: B:22-57             ----------------------------------EF_HAND_2  PDB: B:92-123            EF_HAND_2  PDB: B:128-162            PROSITE (2)
                PROSITE (3) ----------------EF_HAND_1    -------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2mys B  19 FDETEIEDFKEAFTVIDQNADGIIDKDDLRETFAAMGRLNVKNEELDAMIKEASGPINFTVFLTMFGEKLKGADPEDVIMGAFKVLDPDGKGSIKKSFLEELLTTGGG-FTPEEIKNMWAAFP------VDYKNICYVITHGEDA 163
                                    28        38        48        58        68        78        88        98       108       118       128       138  |    148       158     
                                                                                                                                     126 |          141    148               
                                                                                                                                       128                                   


Chain C from PDB  Type:PROTEIN  Length:134
 aligned with MLE1_CHICK | P02604 from UniProtKB/Swiss-Prot  Length:192

    Alignment length:180
                                    22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192
           MLE1_CHICK    13 AAAPAPAPAPAPAPAPAKPKEPAIDLKSIKIEFSKEQQDDFKEAFLLFDRTGDAKITLSQVGDIVRALGQNPTNAEINKILGNPSKEEMNAKKITFEEFLPMLQAAANNKDQGTFEDFVEGLRVFDKEGNGTVMGAELRHVLATLGEKMTEEEVEELMKGQEDSNGCINYEAFVKHIMSV 192
               SCOP domains d2m                                   ysc_ C: Myosin Regulatory Chain                                                                                                                SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...-----------------------------------..........................................-----------......................................................................................... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (2)
                PROSITE (3) --------------------------------------------------------------------------------------------EF_HAND_2        ---EF_HAND_2  PDB: C:82-117            -------------------------------- PROSITE (3)
                PROSITE (4) -----------------------------------EF_HAND_2  PDB: C:8-40              ------------------------------------------------------------------------------------------------------------- PROSITE (4)
                PROSITE (1) ------------------------------------------------------------------------------------------------------------------------------------------------------------------EF_HAND_2          PROSITE (1)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2mys C   5 AAA-----------------------------------DDFKEAFLLFDRTGDAKITASQVGDIARALGQNPTNAEINKI-----------AAITFEEFLPMLQAAANNKDQGTFEDFVEGLRVFDKEGNGTVMGAELRHVLATLGEKMTEEEVEELMKGQEDSNGCINYEAFVKHIMSV 149
                              |      -         -         -        |9        19        29        39        49         - |      69        79        89        99       109       119       129       139       149
                              7                                   8                                       49          61                                                                                        


Chain C from PDB  Type:PROTEIN  Length:134
 aligned with MLE3_CHICK | P02605 from UniProtKB/Swiss-Prot  Length:150

    Alignment length:145
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145     
           MLE3_CHICK     6 DEINDFKEAFLLFDRTGDAKITLSQVGDIVRALGQNPTNAEINKILGNPSKEEMNAKKITFEEFLPMLQAAANNKDQGTFEDFVEGLRVFDKEGNGTVMGAELRHVLATLGEKMTEEEVEELMKGQEDSNGCINYEAFVKHIMSV 150
               SCOP domains d2mysc_ C: Myosin Regulatory Chain                                                                                                                SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .............................................-----------......................................................................................... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE EF_HAND_2  PDB: C:9-40 UniProt: 6-41---------------------EF_HAND_2        ---EF_HAND_2  PDB: C:82-117            --------------EF_HAND_2          PROSITE
           Transcript 1 (1) Exon 1.1b  PDB: C:5-45 UniProt: 1-46     Exon 1.3  -----------------------------------------------Exon 1.5  PDB: C:103-149 UniProt: 104-162       Transcript 1 (1)
           Transcript 1 (2) --------------------------------------------------Exon 1.4b  PDB: C:61-103 UniProt: 56-104         ---------------------------------------------- Transcript 1 (2)
                 2mys C   5 AAADDFKEAFLLFDRTGDAKITASQVGDIARALGQNPTNAEINKI-----------AAITFEEFLPMLQAAANNKDQGTFEDFVEGLRVFDKEGNGTVMGAELRHVLATLGEKMTEEEVEELMKGQEDSNGCINYEAFVKHIMSV 149
                                    14        24        34        44    |    -      | 64        74        84        94       104       114       124       134       144     
                                                                       49          61
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (4, 4)

Asymmetric/Biological Unit
(-)
Class: All alpha proteins (14657)
(-)
Class: All beta proteins (24004)
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2MYS)

(-) Pfam Domains  (2, 2)

Asymmetric/Biological Unit
(-)
Clan: P-loop_NTPase (1112)
(-)
Clan: no clan defined [family: Myosin_N] (42)

(-) Gene Ontology  (13, 19)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (MYSS_CHICK | P13538)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0003779    actin binding    Interacting selectively and non-covalently with monomeric or multimeric forms of actin, including actin filaments.
    GO:0005516    calmodulin binding    Interacting selectively and non-covalently with calmodulin, a calcium-binding protein with many roles, both in the calcium-bound and calcium-free states.
    GO:0003774    motor activity    Catalysis of the generation of force resulting either in movement along a microfilament or microtubule, or in torque resulting in membrane scission, coupled to the hydrolysis of a nucleoside triphosphate.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0030016    myofibril    The contractile element of skeletal and cardiac muscle; a long, highly organized bundle of actin, myosin, and other proteins that contracts by a sliding filament mechanism.
    GO:0016459    myosin complex    A protein complex, formed of one or more myosin heavy chains plus associated light chains and other proteins, that functions as a molecular motor; uses the energy of ATP hydrolysis to move actin filaments or to move vesicles or other cargo on fixed actin filaments; has magnesium-ATPase activity and binds actin. Myosin classes are distinguished based on sequence features of the motor, or head, domain, but also have distinct tail regions that are believed to bind specific cargoes.
    GO:0032982    myosin filament    A protein complex containing myosin heavy chains, plus associated light chains and other proteins, in which the myosin heavy chains are arranged into a filament.

Chain B   (MLRS_CHICK | P02609)
molecular function
    GO:0005509    calcium ion binding    Interacting selectively and non-covalently with calcium ions (Ca2+).
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
cellular component
    GO:0016459    myosin complex    A protein complex, formed of one or more myosin heavy chains plus associated light chains and other proteins, that functions as a molecular motor; uses the energy of ATP hydrolysis to move actin filaments or to move vesicles or other cargo on fixed actin filaments; has magnesium-ATPase activity and binds actin. Myosin classes are distinguished based on sequence features of the motor, or head, domain, but also have distinct tail regions that are believed to bind specific cargoes.

Chain C   (MLE1_CHICK | P02604)
molecular function
    GO:0005509    calcium ion binding    Interacting selectively and non-covalently with calcium ions (Ca2+).
biological process
    GO:0006936    muscle contraction    A process in which force is generated within muscle tissue, resulting in a change in muscle geometry. Force generation involves a chemo-mechanical energy conversion step that is carried out by the actin/myosin complex activity, which generates force through ATP hydrolysis.
    GO:0043520    regulation of myosin II filament assembly    Any process that modulates the frequency, rate or extent of the formation of a bipolar filament composed of myosin II molecules.
cellular component
    GO:0030016    myofibril    The contractile element of skeletal and cardiac muscle; a long, highly organized bundle of actin, myosin, and other proteins that contracts by a sliding filament mechanism.
    GO:0016459    myosin complex    A protein complex, formed of one or more myosin heavy chains plus associated light chains and other proteins, that functions as a molecular motor; uses the energy of ATP hydrolysis to move actin filaments or to move vesicles or other cargo on fixed actin filaments; has magnesium-ATPase activity and binds actin. Myosin classes are distinguished based on sequence features of the motor, or head, domain, but also have distinct tail regions that are believed to bind specific cargoes.

Chain C   (MLE3_CHICK | P02605)
molecular function
    GO:0005509    calcium ion binding    Interacting selectively and non-covalently with calcium ions (Ca2+).
cellular component
    GO:0016459    myosin complex    A protein complex, formed of one or more myosin heavy chains plus associated light chains and other proteins, that functions as a molecular motor; uses the energy of ATP hydrolysis to move actin filaments or to move vesicles or other cargo on fixed actin filaments; has magnesium-ATPase activity and binds actin. Myosin classes are distinguished based on sequence features of the motor, or head, domain, but also have distinct tail regions that are believed to bind specific cargoes.

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  2mys
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  MLE3_CHICK | P02605
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  MLRS_CHICK | P02609
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  MYSS_CHICK | P13538
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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        MLE1_CHICK | P02604: 1alm 1m8q
        MLE3_CHICK | P02605: 1mvw 1o18 1o19 1o1a 1o1b 1o1c 1o1d 1o1e 1o1f 1o1g 2w4a 2w4g 2w4h
        MLRS_CHICK | P02609: 1alm 1i84 1m8q 1mvw 1o18 1o19 1o1a 1o1b 1o1c 1o1d 1o1e 1o1f 1o1g 2w4a 2w4g 2w4h
        MYSS_CHICK | P13538: 1alm 1m8q 1mvw 1o18 1o19 1o1a 1o1b 1o1c 1o1d 1o1e 1o1f 1o1g 2w4a 2w4g 2w4h

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 2MYS)