2025-11-01_00000376|hard|9U9K

Cryo-EM structure of hemi-methylated DNA-bound Tetrahymena DNA methyltransferase complex MTA1c (MTA9-B); Electron microscopy 2.96Å
Protein #1 378 residues (63% resolved)

GPEFKLMSKAVNKKGLRPRKSDSILDHIKNKLDQEFLEDNENGEQSDEDYDQKSLNKAKKPYKKRQTQNGSELVISQQKTKAKASANNKKSAKNSQKLDEEEKIVEEEDLSPQKNGAVSEDDQQQEASTQEDDYLDRLPKSKKGLQGLLQDIEKRILHYKQLFFKEQNEIANGKRSMVPDNSIPICSDVTKLNFQALIDAQMRHAGKMFDVIMMDPPWQLSSSQPSRGVAIAYDSLSDEKIQNMPIQSLQQDGFIFVWAINAKYRVTIKMIENWGYKLVDEITWVKKTVNGKIAKGHGFYLQHAKESCLIGVKGDVDNGRFKKNIASDVIFSERRGQSQKPEEIYQYINQLCPNGNYLEIFARRNNLHDNWVSIGNEL

GPEFKLMSKAVNKKGLRPRKSDSILDHIKNKLDQEFLEDNENGEQSDEDYDQKSLNKAKKPYKKRQTQNGSELVISQQKTKAKASANNKKSAKNSQKLDEEEKIVEEEDLSPQKNGAVSEDDQQQEASTQEDDYLDRLPKSKKGLQGLLQDIEKRILHYKQLFFKEQNEIANGKRSMVPDNSIPICSDVTKLNFQALIDAQMRHAGKMFDVIMMDPPWQLSSSQPSRGVAIAYDSLSDEKIQNMPIQSLQQDGFIFVWAINAKYRVTIKMIENWGYKLVDEITWVKKTVNGKIAKGHGFYLQHAKESCLIGVKGDVDNGRFKKNIASDVIFSERRGQSQKPEEIYQYINQLCPNGNYLEIFARRNNLHDNWVSIGNEL
Protein #2 357 residues (73% resolved)

GPGRPMSQETLAACQSLDKFAHPKKVSPVQKSQIIEEPPLQKKIKPTEPGEDQLSLLLKWRSSYIPPQKPTNEDEYKKIICKDISSEKLEQHAGDVSALFINIKWKLSEGQSGKSIEDLKKLAISDKLINNGIIFIWSEKEILSQIVDVLEAKGFNYIENFMINQLSADKALEMQRKNQNQQSKEKKITDFFKRLTPQKNIWSDITPEQCIEQEKFPPNNYVQDIFVNSEYSFFRKSKKILLMLRKFNKDAQLELRHQRTSDIFFDIFEQNKPNDVSKKGMEFVYKMIETLLPKANYSEENKGAFKMMELYADDKSQPRKGWISVYEQEWSHPQFEKGGGSGGGSGGGSWSHPQFEK

GPGRPMSQETLAACQSLDKFAHPKKVSPVQKSQIIEEPPLQKKIKPTEPGEDQLSLLLKWRSSYIPPQKPTNEDEYKKIICKDISSEKLEQHAGDVSALFINIKWKLSEGQSGKSIEDLKKLAISDKLINNGIIFIWSEKEILSQIVDVLEAKGFNYIENFMINQLSADKALEMQRKNQNQQSKEKKITDFFKRLTPQKNIWSDITPEQCIEQEKFPPNNYVQDIFVNSEYSFFRKSKKILLMLRKFNKDAQLELRHQRTSDIFFDIFEQNKPNDVSKKGMEFVYKMIETLLPKANYSEENKGAFKMMELYADDKSQPRKGWISVYEQEWSHPQFEKGGGSGGGSGGGSWSHPQFEK
Protein #3 364 residues (9% resolved)

GPGRPSLKKGKFQHNQSKSLWNYTLSPGWREEEVKILKSALQLFGIGKWKKIMESGCLPGKSIGQIYMQTQRLLGQQSLGDFMGLQIDLEAVFNQNMKKQDVLRKNNCIINTGDNPTKEERKRRIEQNRKIYGLSAKQIAEIKLPKVKKHAPQYMTLEDIENEKFTNLEILTHLYNLKAEIVRRLAEQGETIAQPSIIKSLNNLNHNLEQNQNSNSSTETKVTLEQSGKKKYKVLAIEETELQNGPIATNSQKKSINGKRKNNRKINSDSEGNEEDISLEDIDSQESEINSEEIVEDDEEDEQIEEPSKIKKRKKNPEQESEEDDIEEDQEEDELVVNEEEIFEDDDDDEDNQDSSEDDDDDED

GPGRPSLKKGKFQHNQSKSLWNYTLSPGWREEEVKILKSALQLFGIGKWKKIMESGCLPGKSIGQIYMQTQRLLGQQSLGDFMGLQIDLEAVFNQNMKKQDVLRKNNCIINTGDNPTKEERKRRIEQNRKIYGLSAKQIAEIKLPKVKKHAPQYMTLEDIENEKFTNLEILTHLYNLKAEIVRRLAEQGETIAQPSIIKSLNNLNHNLEQNQNSNSSTETKVTLEQSGKKKYKVLAIEETELQNGPIATNSQKKSINGKRKNNRKINSDSEGNEEDISLEDIDSQESEINSEEIVEDDEEDEQIEEPSKIKKRKKNPEQESEEDDIEEDQEEDELVVNEEEIFEDDDDDEDNQDSSEDDDDDED
Protein #4 146 residues (86% resolved)

GPEFMKKNGKSQNQPLDFTQYAKNMRKDLSNQDICLEDGALNHSYFLTKKGQYWTPLNQKALQRGIELFGVGNWKEINYDEFSGKANIVELELRTCMILGINDITEYYGKKISEEEQEEIKKSNIAKGKKENKLKDNIYQKLQQMQ

GPEFMKKNGKSQNQPLDFTQYAKNMRKDLSNQDICLEDGALNHSYFLTKKGQYWTPLNQKALQRGIELFGVGNWKEINYDEFSGKANIVELELRTCMILGINDITEYYGKKISEEEQEEIKKSNIAKGKKENKLKDNIYQKLQQMQ
DNA #5 27 bases

(DA)(DG)(DT)(DT)(DA)(DA)(DA)(DG)(DT)(DT)(DA)(DA)(DG)(DA)(DT)(DG)(DT)(DT)(DA)(DA)(DG)(DA)(DA)(DA)(DG)(DT)(DT)

AGTTAAAGTTAAGATGTTAAGAAAGTT
DNA #6 27 bases

(DA)(DA)(DC)(DT)(DT)(DT)(DC)(DT)(DT)(DA)(DA)(DC)(6MA)(DT)(DC)(DT)(DT)(DA)(DA)(DC)(DT)(DT)(DT)(DA)(DA)(DC)(DT)

AACTTTCTTAACATCTTAACTTTAACT
Non polymer #7 SAM

InChI=1S/C15H22N6O5S/c1-27(3-2-7(16)15(24)25)4-8-10(22)11(23)14(26-8)21-6-20-9-12(17)18-5-19-13(9)21/h5-8,10-11,14,22-23H,2-4,16H2,1H3,(H2-,17,18,19,24,25)/t7-,8+,10+,11+,14+,27-/m0/s1

C[S@@+](CC[C@@H](C(=O)[O-])N)C[C@@H]1[C@H]([C@H]([C@@H](O1)n2cnc3c2ncnc3N)O)O
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Reference