8G4L: Human cardiac myosin filament

Cryo-EM structure of the human cardiac myosin filament. Determined by electron microscopy at 6.4 Å resolution. Released 1 Nov 2023.

Method: Electron microscopy
Resolution: 6.4 Å
Organism: Homo sapiens
Chains: 123
Atoms: 413,784
Mol. weight: 19304.22 kDa
Released: 1 Nov 2023

Explore 8G4L in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8G4L contains 1,350 α-helices and 1,420 β-strands across 123 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain a: 10 helices, 6 β-strands

Element	Residues	Length	Sheet
α-helix	48-60	13
β-strand	71	1	100
α-helix	73-83	11
α-helix	89-96	8
α-helix	101-105	5
β-strand	109	1	100
α-helix	111-123	13
α-helix	130-139	10
β-strand	149	1	101
α-helix	150-159	10
α-helix	163-165	3
α-helix	166-173	8
β-strand	177	1	102
β-strand	182	1	101
β-strand	183	1	102
α-helix	188-193	6

Chain A: 41 helices, 26 β-strands

Element	Residues	Length	Sheet
α-helix	10-12	3
α-helix	13-16	4
α-helix	20-27	8
β-strand	36-40	5	116
β-strand	46-55	10	116
β-strand	58-62	5	116
β-strand	68-71	4	116
α-helix	82-84	3
β-strand	89	1	117
α-helix	98-110	13
β-strand	117	1	117
β-strand	122	1	117
β-strand	123-125	3	118
α-helix	136-142	7
α-helix	154-168	15
β-strand	172-176	5	119
α-helix	184-199	16
α-helix	216-220	5
α-helix	223-231	9
β-strand	232-235	4	120
β-strand	238-242	5	120
β-strand	244-252	9	119
β-strand	258-268	11	119
α-helix	271-274	4
α-helix	281-283	3
α-helix	284-291	8
α-helix	295-301	7
α-helix	307-309	3
α-helix	311-315	5
α-helix	325-338	14
α-helix	343-360	18
β-strand	364-365	2	121
β-strand	374-375	2	121
α-helix	379-388	10
α-helix	393-400	8
α-helix	417-447	31
β-strand	455-460	6	119
α-helix	473-490	18
α-helix	491-496	6
α-helix	497-504	8
α-helix	518-524	7
α-helix	530-538	9
α-helix	545-555	11
β-strand	563	1	122
α-helix	564-566	3
β-strand	579-580	2	122
β-strand	585-586	2	122
β-strand	598	1	123
α-helix	603-610	8
α-helix	615-618	4
α-helix	619-621	3
β-strand	646	1	123
α-helix	647-664	18
β-strand	666-670	5	119
β-strand	671-673	3	118
α-helix	686-696	11
α-helix	698-707	10
β-strand	711-714	4	124
α-helix	715-721	7
α-helix	738-748	11
α-helix	753-755	3
β-strand	757-758	2	124
β-strand	762-765	4	124
α-helix	769-825	57
α-helix	828-836	9
α-helix	842-912	71
α-helix	915-1171	257

Chain aa: 10 helices, 4 β-strands

Element	Residues	Length	Sheet
α-helix	48-60	13
β-strand	71	1	267
α-helix	73-83	11
α-helix	89-96	8
α-helix	101-106	6
β-strand	109	1	267
α-helix	111-123	13
α-helix	130-139	10
β-strand	147	1	268
α-helix	150-159	10
α-helix	163-165	3
α-helix	166-173	8
β-strand	184	1	268
α-helix	188-193	6

Chain AA: 39 helices, 26 β-strands

Element	Residues	Length	Sheet
α-helix	10-12	3
α-helix	13-16	4
α-helix	20-27	8
β-strand	36-39	4	306
β-strand	47-55	9	306
β-strand	58-62	5	306
β-strand	68-71	4	306
α-helix	82-84	3
β-strand	89	1	307
α-helix	98-110	13
β-strand	117	1	307
β-strand	122	1	307
β-strand	123-125	3	308
α-helix	136-142	7
α-helix	154-168	15
β-strand	172-176	5	309
α-helix	184-199	16
α-helix	216-221	6
α-helix	223-231	9
β-strand	233-235	3	310
β-strand	238-241	4	310
β-strand	244-252	9	309
β-strand	258-268	11	309
α-helix	271-273	3
α-helix	284-291	8
α-helix	295-301	7
α-helix	307-309	3
α-helix	311-315	5
α-helix	325-338	14
α-helix	343-359	17
β-strand	364-365	2	311
β-strand	374-375	2	311
α-helix	379-388	10
α-helix	393-400	8
α-helix	417-447	31
β-strand	455-460	6	309
α-helix	473-490	18
α-helix	491-496	6
α-helix	497-504	8
α-helix	518-524	7
α-helix	531-538	8
α-helix	545-555	11
β-strand	563	1	312
α-helix	564-566	3
β-strand	579-580	2	312
β-strand	585-586	2	312
β-strand	598	1	313
α-helix	603-610	8
α-helix	615-618	4
β-strand	646	1	313
α-helix	647-662	16
β-strand	666-670	5	309
β-strand	671-673	3	308
α-helix	686-696	11
α-helix	698-707	10
β-strand	711-714	4	314
α-helix	715-721	7
α-helix	722-724	3
α-helix	738-748	11
β-strand	757-758	2	314
β-strand	762-765	4	314
α-helix	769-824	56
α-helix	828-836	9
α-helix	842-912	71
α-helix	915-1171	257

Chain ab: 11 helices, 5 β-strands

Element	Residues	Length	Sheet
α-helix	48-60	13
β-strand	70-72	3	269
α-helix	77-82	6
α-helix	89-95	7
α-helix	101	1
α-helix	102-106	5
β-strand	108-110	3	269
α-helix	111-121	11
α-helix	130-140	11
β-strand	147-149	3	270
α-helix	150-157	8
α-helix	163-165	3
α-helix	166-172	7
β-strand	177	1	270
β-strand	182-184	3	270
α-helix	187-194	8

Chain AB: 44 helices, 27 β-strands

Element	Residues	Length	Sheet
α-helix	12-16	5
α-helix	20-27	8
β-strand	36	1	348
β-strand	39-40	2	349
β-strand	46-47	2	349
β-strand	49-53	5	348
β-strand	58-63	6	348
β-strand	68-72	5	348
β-strand	89	1	350
α-helix	98-111	14
β-strand	117	1	350
β-strand	122	1	350
β-strand	124-125	2	351
α-helix	136-142	7
α-helix	147-149	3
α-helix	154-166	13
β-strand	172-175	4	352
β-strand	177-178	2	351
β-strand	179	1	353
α-helix	184-199	16
α-helix	216-231	16
β-strand	245-252	8	352
β-strand	258-266	9	352
α-helix	271-274	4
α-helix	284-291	8
α-helix	296-301	6
α-helix	311-315	5
α-helix	326-337	12
α-helix	343-361	19
β-strand	364-366	3	354
β-strand	373-375	3	354
α-helix	378-387	10
α-helix	392-400	9
α-helix	417-447	31
β-strand	455-461	7	352
β-strand	465	1	353
α-helix	473-490	18
α-helix	491-495	5
α-helix	496-503	8
α-helix	518-525	8
α-helix	530-539	10
α-helix	545-552	8
α-helix	553-555	3
β-strand	564	1	355
α-helix	565-568	4
β-strand	577-579	3	355
β-strand	586-588	3	355
α-helix	593-597	5
α-helix	603-611	9
α-helix	615-619	5
α-helix	647-664	18
β-strand	666-668	3	352
β-strand	671-673	3	351
α-helix	686-696	11
α-helix	698-707	10
β-strand	711-714	4	356
α-helix	715-722	8
α-helix	727-729	3
α-helix	738-748	11
α-helix	753-755	3
β-strand	758	1	356
β-strand	762-765	4	356
α-helix	767-825	59
α-helix	828-832	5
α-helix	837-844	8
α-helix	845-849	5
α-helix	850-965	116
α-helix	968-995	28
α-helix	998-1153	156
α-helix	1156-1165	10
α-helix	1168-1171	4

Chains ac and c: 9 helices, 4 β-strands

Element	Residues	Length	Sheet
α-helix	15-20	6
α-helix	23-36	14
β-strand	44	1	315
α-helix	46-56	11
α-helix	63-72	10
β-strand	77	1	315
α-helix	79-90	12
α-helix	96-104	9
β-strand	114-115	2	316
α-helix	116-124	9
α-helix	132-141	10
β-strand	149-150	2	316
α-helix	152-161	10

Chain ad: 10 helices, 2 β-strands

Element	Residues	Length	Sheet
α-helix	15-20	6
α-helix	23-36	14
α-helix	46-56	11
α-helix	63-72	10
α-helix	79-90	12
α-helix	96-106	11
β-strand	113-115	3	357
α-helix	116-125	10
α-helix	134-141	8
α-helix	143-145	3
β-strand	149-151	3	357
α-helix	152-161	10

63 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Myosin-7	A, AA, AB, AG, AH, AI, AJ, AK, AL, AM, AN, AO, AP, AQ, AR, AS, AT, AU, AV, AW, AX, AY, AZ, B, BA, BB, BG, BH, BI, BJ, BK, BL, BM, BN, BO, BP, BQ, BR, BS, BT, BU, BV, BW, BX, BY, BZ, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, ae, af, ak, al, be, bf, bk, bl, e, f, k, l	protein	1935	Homo sapiens	P12883 (AlphaFold model)
Myosin light chain 3	AE, AF, BE, BF, E, F, a, aa, ab, ag, ah, b, ba, bb, bg, bh, g, h	protein	195	Homo sapiens	P08590 (AlphaFold model)
Myosin regulatory light chain 2, ventricular/cardiac muscle isoform	ac, ad, ai, aj, aq, ar, bc, bd, bi, bj, bq, br, c, d, i, j, q, r	protein	166	Homo sapiens	P10916 (AlphaFold model)
Titin	am, an, bm, bn, m, n	protein	1084	Homo sapiens	Q8WZ42
Myosin-binding protein C, cardiac-type	ao, bo, o	protein	1274	Homo sapiens	Q14896

Sequence of entity 1 (A, AA, AB, AG, AH, AI, AJ, AK, AL, AM, AN, AO, AP, AQ, AR, AS, AT, AU, AV, AW, AX, AY, AZ, B, BA, BB, BG, BH, BI, BJ, BK, BL, BM, BN, BO, BP, BQ, BR, BS, BT, BU, BV, BW, BX, BY, BZ, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, ae, af, ak, al, be, bf, bk, bl, e, f, k, l), FASTA

>8G4L_1 Myosin-7 (chains A, AA, AB, AG, AH, AI, AJ, AK, AL, AM, AN, AO, AP, AQ, AR, AS, AT, AU, AV, AW, AX, AY, AZ, B, BA, BB, BG, BH, BI, BJ, BK, BL, BM, BN, BO, BP, BQ, BR, BS, BT, BU, BV, BW, BX, BY, BZ, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, ae, af, ak, al, be, bf, bk, bl, e, f, k, l)
MGDSEMAVFGAAAPYLRKSEKERLEAQTRPFDLKKDVFVPDDKQEFVKAKIVSREGGKVT
AETEYGKTVTVKEDQVMQQNPPKFDKIEDMAMLTFLHEPAVLYNLKDRYGSWMIYTYSGL
FCVTVNPYKWLPVYTPEVVAAYRGKKRSEAPPHIFSISDNAYQYMLTDRENQSILITGES
GAGKTVNTKRVIQYFAVIAAIGDRSKKDQSPGKGTLEDQIIQANPALEAFGNAKTVRNDN
SSRFGKFIRIHFGATGKLASADIETYLLEKSRVIFQLKAERDYHIFYQILSNKKPELLDM
LLITNNPYDYAFISQGETTVASIDDAEELMATDNAFDVLGFTSEEKNSMYKLTGAIMHFG
NMKFKLKQREEQAEPDGTEEADKSAYLMGLNSADLLKGLCHPRVKVGNEYVTKGQNVQQV
IYATGALAKAVYERMFNWMVTRINATLETKQPRQYFIGVLDIAGFEIFDFNSFEQLCINF
TNEKLQQFFNHHMFVLEQEEYKKEGIEWTFIDFGMDLQACIDLIEKPMGIMSILEEECMF
PKATDMTFKAKLFDNHLGKSANFQKPRNIKGKPEAHFSLIHYAGIVDYNIIGWLQKNKDP
LNETVVGLYQKSSLKLLSTLFANYAGADAPIEKGKGKAKKGSSFQTVSALHRENLNKLMT
NLRSTHPHFVRCIIPNETKSPGVMDNPLVMHQLRCNGVLEGIRICRKGFPNRILYGDFRQ
RYRILNPAAIPEGQFIDSRKGAEKLLSSLDIDHNQYKFGHTKVFFKAGLLGLLEEMRDER
LSRIITRIQAQSRGVLARMEYKKLLERRDSLLVIQWNIRAFMGVKNWPWMKLYFKIKPLL
KSAEREKEMASMKEEFTRLKEALEKSEARRKELEEKMVSLLQEKNDLQLQVQAEQDNLAD
AEERCDQLIKNKIQLEAKVKEMNERLEDEEEMNAELTAKKRKLEDECSELKRDIDDLELT
LAKVEKEKHATENKVKNLTEEMAGLDEIIAKLTKEKKALQEAHQQALDDLQAEEDKVNTL
TKAKVKLEQQVDDLEGSLEQEKKVRMDLERAKRKLEGDLKLTQESIMDLENDKQQLDERL
KKKDFELNALNARIEDEQALGSQLQKKLKELQARIEELEEELEAERTARAKVEKLRSDLS
RELEEISERLEEAGGATSVQIEMNKKREAEFQKMRRDLEEATLQHEATAAALRKKHADSV
AELGEQIDNLQRVKQKLEKEKSEFKLELDDVTSNMEQIIKAKANLEKMCRTLEDQMNEHR
SKAEETQRSVNDLTSQRAKLQTENGELSRQLDEKEALISQLTRGKLTYTQQLEDLKRQLE
EEVKAKNALAHALQSARHDCDLLREQYEEETEAKAELQRVLSKANSEVAQWRTKYETDAI
QRTEELEEAKKKLAQRLQEAEEAVEAVNAKCSSLEKTKHRLQNEIEDLMVDVERSNAAAA
ALDKKQRNFDKILAEWKQKYEESQSELESSQKEARSLSTELFKLKNAYEESLEHLETFKR
ENKNLQEEISDLTEQLGSSGKTIHELEKVRKQLEAEKMELQSALEEAEASLEHEEGKILR
AQLEFNQIKAEIERKLAEKDEEMEQAKRNHLRVVDSLQTSLDAETRSRNEALRVKKKMEG
DLNEMEIQLSHANRMAAEAQKQVKSLQSLLKDTQIQLDDAVRANDDLKENIAIVERRNNL
LQAELEELRAVVEQTERSRKLAEQELIETSERVQLLHSQNTSLINQKKKMDADLSQLQTE
VEEAVQECRNAEEKAKKAITDAAMMAEELKKEQDTSAHLERMKKNMEQTIKDLQHRLDEA
EQIALKGGKKQLQKLEARVRELENELEAEQKRNAESVKGMRKSERRIKELTYQTEEDRKN
LLRLQDLVDKLQLKVKAYKRQAEEAEEQANTNLSKFRKVQHELDEAEERADIAESQVNKL
RAKSRDIGTKGLNEE

Sequence of entity 2 (AE, AF, BE, BF, E, F, a, aa, ab, ag, ah, b, ba, bb, bg, bh, g, h), FASTA

>8G4L_2 Myosin light chain 3 (chains AE, AF, BE, BF, E, F, a, aa, ab, ag, ah, b, ba, bb, bg, bh, g, h)
MAPKKPEPKKDDAKAAPKAAPAPAPPPEPERPKEVEFDASKIKIEFTPEQIEEFKEAFML
FDRTPKCEMKITYGQCGDVLRALGQNPTQAEVLRVLGKPRQEELNTKMMDFETFLPMLQH
ISKNKDTGTYEDFVEGLRVFDKEGNGTVMGAELRHVLATLGERLTEDEVEKLMAGQEDSN
GCINYEAFVKHIMSS

Sequence of entity 3 (ac, ad, ai, aj, aq, ar, bc, bd, bi, bj, bq, br, c, d, i, j, q, r), FASTA

>8G4L_3 Myosin regulatory light chain 2, ventricular/cardiac muscle isoform (chains ac, ad, ai, aj, aq, ar, bc, bd, bi, bj, bq, br, c, d, i, j, q, r)
MAPKKAKKRAGGANSNVFSMFEQTQIQEFKEAFTIMDQNRDGFIDKNDLRDTFAALGRVN
VKNEEIDEMIKEAPGPINFTVFLTMFGEKLKGADPEETILNAFKVFDPEGKGVLKADYVR
EMLTTQAERFSKEEVDQMFAAFPPDVTGNLDYKNLVHIITHGEEKD

Sequence of entity 4 (am, an, bm, bn, m, n), FASTA

>8G4L_4 Titin (chains am, an, bm, bn, m, n)
PPEIELDADLRKVVTIRACCTLRLFVPIKGRPAPEVKWARDHGESLDKASIESTSSYTLL
IVGNVNRFDSGKYILTVENSSGSKSAFVNVRVLDTPGPPQDLKVKEVTKTSVTLTWDPPL
LDGGSKIKNYIVEKRESTRKAYSTVATNCHKTSWKVDQLQEGCSYYFRVLAENEYGIGLP
AETAESVKASERPLPPGKITLMDVTRNSVSLSWEKPEHDGGSRILGYIVEMQTKGSDKWA
TCATVKVTEATITGLIQGEEYSFRVSAQNEKGISDPRQLSVPVIAKDLVIPPAFKLLFNT
FTVLAGEDLKVDVPFIGRPTPAVTWHKDNVPLKQTTRVNAESTENNSLLTIKDACREDVG
HYVVKLTNSAGEAIETLNVIVLDKPGPPTGPVKMDEVTADSITLSWGPPKYDGGSSINNY
IVEKRDTSTTTWQIVSATVARTTIKACRLKTGCEYQFRIAAENRYGKSTYLNSEPTVAQY
PFKVPGPPGTPVVTLSSRDSMEVQWNEPISDGGSRVIGYHLERKERNSILWVKLNKTPIP
QTKFKTTGLEEGVEYEFRVSAENIVGIGKPSKVSECYVARDPCDPPGRPEAIIVTRNSVT
LQWKKPTYDGGSKITGYIVEKKELPEGRWMKASFTNIIDTHFEVTGLVEDHRYEFRVIAR
NAAGVFSEPSESTGAITARDEVDPPRISMDPKYKDTIVVHAGESFKVDADIYGKPIPTIQ
WIKGDQELSNTARLEIKSTDFATSLSVKDAVRVDSGNYILKAKNVAGERSVTVNVKVLDR
PGPPEGPVVISGVTAEKCTLAWKPPLQDGGSDIINYIVERRETSRLVWTVVDANVQTLSC
KVTKLLEGNEYTFRIMAVNKYGVGEPLESEPVVAKNPFVVPDAPKAPEVTTVTKDSMIVV
WERPASDGGSEILGYVLEKRDKEGIRWTRCHKRLIGELRLRVTGLIENHDYEFRVSAENA
AGLSEPSPPSAYQKACDPIYKPGPPNNPKVIDITRSSVFLSWSKPIYDGGCEIQGYIVEK
CDVSVGEWTMCTPPTGINKTNIEVEKLLEKHEYNFRICAINKAGVGEHADVPGPIIVEEK
LEAP

Sequence of entity 5 (ao, bo, o), FASTA

>8G4L_5 Myosin-binding protein C, cardiac-type (chains ao, bo, o)
MPEPGKKPVSAFSKKPRSVEVAAGSPAVFEAETERAGVKVRWQRGGSDISASNKYGLATE
GTRHTLTVREVGPADQGSYAVIAGSSKVKFDLKVIEAEKAEPMLAPAPAPAEATGAPGEA
PAPAAELGESAPSPKGSSSAALNGPTPGAPDDPIGLFVMRPQDGEVTVGGSITFSARVAG
ASLLKPPVVKWFKGKWVDLSSKVGQHLQLHDSYDRASKVYLFELHITDAQPAFTGSYRCE
VSTKDKFDCSNFNLTVHEAMGTGDLDLLSAFRRTSLAGGGRRISDSHEDTGILDFSSLLK
KRDSFRTPRDSKLEAPAEEDVWEILRQAPPSEYERIAFQYGVTDLRGMLKRLKGMRRDEK
KSTAFQKKLEPAYQVSKGHKIRLTVELADHDAEVKWLKNGQEIQMSGSKYIFESIGAKRT
LTISQCSLADDAAYQCVVGGEKCSTELFVKEPPVLITRPLEDQLVMVGQRVEFECEVSEE
GAQVKWLKDGVELTREETFKYRFKKDGQRHHLIINEAMLEDAGHYALCTSGGQALAELIV
QEKKLEVYQSIADLMVGAKDQAVFKCEVSDENVRGVWLKNGKELVPDSRIKVSHIGRVHK
LTIDDVTPADEADYSFVPEGFACNLSAKLHFMEVKIDFVPRQEPPKIHLDCPGRIPDTIV
VVAGNKLRLDVPISGDPAPTVIWQKAITQGNKAPARPAPDAPEDTGDSDEWVFDKKLLCE
TEGRVRVETTKDRSIFTVEGAEKEDEGVYTVTVKNPVGEDQVNLTVKVIDVPDAPAAPKI
SNVGEDSCTVQWEPPAYDGGQPILGYILERKKKKSYRWMRLNFDLIQELSHEARRMIEGV
VYEMRVYAVNAIGMSRPSPASQPFMPIGPPSEPTHLAVEDVSDTTVSLKWRPPERVGAGG
LDGYSVEYCPEGCSEWVAALQGLTEHTSILVKDLPTGARLLFRVRAHNMAGPGAPVTTTE
PVTVQEILQRPRLQLPRHLRQTIQKKVGEPVNLLIPFQGKPRPQVTWTKEGQPLAGEEVS
IRNSPTDTILFIRAARRVHSGTYQVTVRIENMEDKATLVLQVVDKPSPPQDLRVTDAWGL
NVALEWKPPQDVGNTELWGYTVQKADKKTMEWFTVLEHYRRTHCVVPELIIGNGYYFRVF
SQNMVGFSDRAATTKEPVFIPRPGITYEPPNYKALDFSEAPSFTQPLVNRSVIAGYTAML
CCAVRGSPKPKISWFKNGLDLGEDARFRMFSKQGVLTLEIRKPCPFDGGIYVCRATNLQG
EARCECRLEVRVPQ

Primary citation

Cryo-EM structure of the human cardiac myosin filament. Dutta, D., Nguyen, V., Campbell, K.S. et al. Nature (2023) 623:853-862. DOI 10.1038/s41586-023-06691-4 · PubMed

Other PDB entries of the same protein (UniProt P12883 (AlphaFold model), which also has an AlphaFold model), best resolution first:

5CJ1 2.1 Å, Crystal structure of the coiled coil of MYH7 residues 1526 to 1571 fused to Gp7
6PF2 2.17 Å, Crystal Structure of Amino Acids 1220-1276 of Human Beta Cardiac Myosin Fused to Gp7 and…
6PFP 2.2 Å, Crystal Structure of Amino Acids 1473-1536 of Human Beta Cardiac Myosin Fused to Gp7 and…
4PA0 2.25 Å, Omecamtiv Mercarbil binding site on the Human Beta-Cardiac Myosin Motor Domain
5CHX 2.3 Å, Crystal Structure of amino acids 1590-1657 of MYH7
5CJ0 2.3 Å, Crystal Structure of Amino Acids 1631-1692 of MYH7
5WME 2.3 Å, Crystal Structure of Amino Acids 1729-1786 of Human Beta Cardiac Myosin Fused to Gp7 as…
4XA4 2.33 Å, Crystal Structure of the coiled-coil surrounding Skip 3 of MYH7
9HTF 2.48 Å, Beta-cardiac myosin Y115H mutant motor domain in the pre-powerstroke state, MgADP.VO4 form
2FXO 2.5 Å, Structure of the human beta-myosin S2 fragment
5WJ7 2.5 Å, Crystal Structure of Amino Acids 1733-1797 of Human Beta Cardiac Myosin Fused to Xrcc4
4XA3 2.55 Å, Crystal structure of the coiled-coil surrounding Skip 2 of MYH7

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