2026-10-07 REL RCSB INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY RCSB RCSB 2025-06-27 2026-10-07 2026-10-07 2026-10-07 National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) NIH GM131832 United States Human DNA Polymerase Gamma-RNA-DNA Primer-Template Complex with Incoming ATP Nayak AR Buchel G Temiakov D Sarfallah A Sokolova VO Zamudio-Ochoa A Temiakov D Mitochondrial DNA Polymerase, PolG, Transferase-RNA complex, REPLICATION Sokolova V Buchel G Strock S Nayak AR Temiakov D Molecular and structural basis for replication initiation and strand separation by human mitochondrial DNA polymerase gamma. Nucleic Acids Res. UK 54 2026 42788360 doi:10.1093/nar/gkag925 1362-4962 0389 NARHAD 9pck FULLOVERLAP EMDB EMD-71503 associated EM volume
Cryo-EM structure of the Catalytic Complex of Human Mitochondrial DNA polymerase Gamma with a RNA primer
 Cryo-EM Structure of the Catalytic Complex of Human Mitochondrial DNA Polymerase Gamma with an RNA-DNA Primer-Template Heteroduplex Cryo-EM Structure of the Catalytic Complex of Human Mitochondrial DNA Polymerase Gamma with an RNA-DNA Primer-Template Heteroduplex 0 1 2 3 4
Ternary complex of Human mitochondrial DNA polymerase PolG (Exo-), RNA-DNA primer template, a primer chain terminating nucleotide 2',3'-dideoxyadenosine-5'-monophosphate(2DA), and an incoming nucleotide thymidine-5'-triphosphate(TTP).
Homo sapiens 0.362 DNA polymerase subunit gamma-1 Homo sapiens 0.139730703 1 Spodoptera frugiperda LEVO MSRLLWRKVAGATVGPGPVPAPGRWVSSSVPASDPSDGQRRRQQQQQQQQQQQQQPQQPQVLSSEGGQLRHNPLDIQMLS RGLHEQIFGQGGEMPGEAAVRRSVEHLQKHGLWGQPAVPLPDVELRLPPLYGDNLDQHFRLLAQKQSLPYLEAANLLLQA QLPPKPPAWAWAEGWTRYGPEGEAVPVAIPEERALVFDVEVCLAEGTCPTLAVAISPSAWYSWCSQRLVEERYSWTSQLS PADLIPLEVPTGASSPTQRDWQEQLVVGHNVSFDRAHIREQYLIQGSRMRFLDTMSMHMAISGLSSFQRSLWIAAKQGKH KVQPPTKQGQKSQRKARRGPAISSWDWLDISSVNSLAEVHRLYVGGPPLEKEPRELFVKGTMKDIRENFQDLMQYCAQDV WATHEVFQQQLPLFLERCPHPVTLAGMLEMGVSYLPVNQNWERYLAEAQGTYEELQREMKKSLMDLANDACQLLSGERYK EDPWLWDLEWDLQEFKQKKAKKVKKEPATASKLPIEGAGAPGDPMDQEDLGPCSEEEEFQQDVMARACLQKLKGTTELLP KRPQHLPGHPGWYRKLCPRLDDPAWTPGPSLLSLQMRVTPKLMALTWDGFPLHYSERHGWGYLVPGRRDNLAKLPTGTTL ESAGVVCPYRAIESLYRKHCLEQGKQQLMPQEAGLAEEFLLTDNSAIWQTVEELDYLEVEAEAKMENLRAAVPGQPLALT ARGGPKDTQPSYHHGNGPYNDVDIPGCWFFKLPHKDGNSCNVGSPFAKDFLPKMEDGTLQAGPGGASGPRALEINKMISF WRNAHKRISSQMVVWLPRSALPRAVIRHPDYDEEGLYGAILPQVVTAGTITRRAVEPTWLTASNARPDRVGSELKAMVQA PPGYTLVGADVDSQELWIAAVLGDAHFAGMHGCTAFGWMTLQGRKSRGTDLHSKTATTVGISREHAKIFNYGRIYGAGQP FAERLLMQFNHRLTQQEAAEKAQQMYAATKGLRWYRLSDEGEWLVRELNLPVDRTEGGWISLQDLRKVQRETARKSQWKK WEVVAERAWKGGTESEMFNKLESIATSDIPRTPVLGCCISRALEPSAVQEEFMTSRVNWVVQSSAVDYLHLMLVAMKWLF EEFAIDGRFCISIHDEVRYLVREEDRYRAALALQITNLLTRCMFAYKLGLNDLPQSVAFFSAVDIDRCLRKEVTMDCKTP SNPTGMERRYGIPQGEALDIYQIIELTKGSLEKRSQPGP P54098 2.7.7.7 DNA polymerase subunit gamma-2, mitochondrial Homo sapiens 0.054991 2 Escherichia coli LEVO MRSRVAVRACHKVCRCLLSGFGGRVDAGQPELLTERSSPKGGHVKSHAELEGNGEHPEAPGSGEGSEALLEICQRRHFLS GSKQQLSRDSLLSGCHPGFGPLGVELRKNLAAEWWTSVVVFREQVFPVDALHHKPGPLLPGDSAFRLVSAETLREILQDK ELSKEQLVAFLENVLKTSGKLRENLLHGALEHYVNCLDLVNKRLPYGLAQIGVCFHPVFDTKQIRNGVKSIGEKTEASLV WFTPPRTSNQWLDFWLRHRLQWWRKFAMSPSNFSSSDCQDEEGRKGNKLYYNFPWGKELIETLWNLGDHELLHMYPGNVS KLHGRDGRKNVVPCVLSVNGDLDRGMLAYLYDSFQLTENSFTRKKNLHRKVLKLHPCLAPIKVALDVGRGPTLELRQVCQ GLFNELLENGISVWPGYLETMQSSLEQLYSKYDEMSILFTVLVTETTLENGLIHLRSRDTTMKEMMHISKLKDFLIKYIS SAKNV Q9UHN1 2.7.7.7 primer RNA synthetic construct 0.005473317 1 GACAGUCUGCGGCGCGC Template DNA synthetic construct 0.006433162 1 (DA)(DA)(DA)(DT)(DG)(DC)(DG)(DC)(DG)(DC)(DC)(DG)(DC)(DA)(DG)(DA)(DC)(DT)(DG)(DT) (DC) DNA THYMIDINE-5'-TRIPHOSPHATE 0.000482168 1 TTP MAGNESIUM ION 2.4305e-05 3 MG 2',3'-DIDEOXYADENOSINE-5'-MONOPHOSPHATE 0.000315222 1 2DA water 1.8015e-05 2 HOH singleParticle particle 0.52 7.9
10 mM Tris-Hcl pH 7.9, 100 mM Nacl, 10 mM DTT, and 2 mM MgCl2
 UltrAuFoil R1.2/1.3 GOLD 300 GLOW DISCHARGE AIR ETHANE 100 277 FEI VITROBOT MARK IV
2 uM complex of exonuclease deficient PolG, and RNA-DNA primer template, chain terminated with dideoxy ATP, with an incoming nucleotide (dTTP).
 TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 2.7 0.4 1.8 105000.0 NITROGEN 20 EPU
Objective aperture of 100 um was used
GATAN K3 (6k x 4k) 2 12703 70.0 1 PHASE FLIPPING AND AMPLITUDE CORRECTION
Ab-initio reconstruction in cryoSPARC
 1 C1 2.6 FSC 0.143 CUT-OFF cryoSPARC 4.4 1353452 MAXIMUM LIKELIHOOD MAXIMUM LIKELIHOOD emd_71503.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 384 384 384 0 0 0 384 384 384 262.5024 262.5024 262.5024 90.0 90.0 90.0 X Y Z -0.22491837 0.41507506 0.00011989064 0.009501796 0.6836 0.6836 0.6836 0.03 AUTHOR FLEXIBLE FIT REAL emd_71503_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 384 384 384 0 0 0 384 384 384 262.5024 262.5024 262.5024 90.0 90.0 90.0 X Y Z -0.9972933 1.2277795 -0.00019542963 0.024017418 0.6836 0.6836 0.6836 AUTHOR emd_71503_additional_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 384 384 384 0 0 0 384 384 384 262.5024 262.5024 262.5024 90.0 90.0 90.0 X Y Z -0.084859855 1.900398 0.020909233 0.010842561 0.6836 0.6836 0.6836 AUTHOR emd_71503_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 384 384 384 0 0 0 384 384 384 262.5024 262.5024 262.5024 90.0 90.0 90.0 X Y Z -0.21782373 0.4119027 0.00012497357 0.012382417 0.6836 0.6836 0.6836 AUTHOR emd_71503_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 384 384 384 0 0 0 384 384 384 262.5024 262.5024 262.5024 90.0 90.0 90.0 X Y Z -0.21876296 0.38458067 0.0001235652 0.01234233 0.6836 0.6836 0.6836 AUTHOR