2025-07-09 REL PDBe INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY EXPERIMENTAL_SUMMARY em_admin em_software _em_admin.last_update _em_software.name DATA_COLLECTION em_admin em_software _em_admin.last_update _em_software.name PDBe PDBe 2021-02-14 2021-08-25 2021-08-25 2025-07-09 Swiss National Science Foundation 310030_189111 Switzerland Swiss National Science Foundation 310030_155563 Switzerland National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) GM117372 United States Nanodisc reconstituted human ABCB4 in complex with 4B1-Fab and QA2-Fab (phosphatidylcholine-bound, occluded conformation) Nosol K Locher KP ABCB4, MDR3, nanodisc, lipid transporter, transporter, phosphatidylcholine, PROTEIN TRANSPORT Nosol K Bang-Sorensen R Irobalieva RN Erramilli SK Stieger B Kossiakoff AA Locher KP Structures of ABCB4 provide insight into phosphatidylcholine translocation. Proc.Natl.Acad.Sci.USA US 118 2021 34385322 doi:10.1073/pnas.2106702118 1091-6490 0040 PNASA6 7niv FULLOVERLAP Nanodisc reconstituted human ABCB4 in complex with 4B1-Fab and QA2-Fab (phosphatidylcholine-bound, occluded conformation) Nanodisc reconstituted human ABCB4 in complex with 4B1-Fab and QA2-Fab (phosphatidylcholine-bound, occluded conformation) 0 1 2 3 4 5 0.34 phosphatidylcholine translocator ABCB4 1 3 Homo sapiens QA2 Fab-fragment: light and heavy chain 1 1 2 Homo sapiens 4B1 Fab-fragment: light and heavy chain 1 4 5 Homo sapiens QA2 Fab-fragment light chain Homo sapiens 0.023258782999999998 1 Escherichia coli LEVO SDIQMTQSPSSLSASVGDRVTITCRASQSVSSAVAWYQQKPGKAPKLLIYSASSLYSGVPSRFSGSRSGTDFTLTISSLQ PEDFATYYCQQSSSSLITFGQGTKVEIKRTVAAPSVFIFPPSDSQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNS QESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC QA2 Fab-fragment light chain Homo sapiens 0.024817669999999997 1 Escherichia coli LEVO EISEVQLVESGGGLVQPGGSLRLSCAASGFNFSSSSIHWVRQAPGKGLEWVASISSSSGSTSYADSVKGRFTISADTSKN TAYLQMNSLRAEDTAVYYCARAYIWWYQMRQAMDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFP EPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHT Isoform 2 of Phosphatidylcholine translocator ABCB4 Homo sapiens 0.14083537499999998 1 Homo sapiens LEVO MDLEAAKNGTAWRPTSAEGDFELGISSKQKRKKTKTVKMIGVLTLFRYSDWQDKLFMSLGTIMAIAHGSGLPLMMIVFGE MTDKFVDTAGNFSFPVNFSLSLLNPGKILEEEMTRYAYYYSGLGAGVLVAAYIQVSFWTLAAGRQIRKIRQKFFHAILRQ EIGWFDINDTTELNTRLTDDISKISEGIGDKVGMFFQAVATFFAGFIVGFIRGWKLTLVIMAISPILGLSAAVWAKILSA FSDKELAAYAKAGAVAEEALGAIRTVIAFGGQNKELERYQKHLENAKEIGIKKAISANISMGIAFLLIYASYALAFWYGS TLVISKEYTIGNAMTVFFSILIGAFSVGQAAPCIDAFANARGAAYVIFDIIDNNPKIDSFSERGHKPDSIKGNLEFNDVH FSYPSRANVKILKGLNLKVQSGQTVALVGSSGCGKSTTVQLIQRLYDPDEGTINIDGQDIRNFNVNYLREIIGVVSQEPV LFSTTIAENICYGRGNVTMDEIKKAVKEANAYEFIMKLPQKFDTLVGERGAQLSGGQKQRIAIARALVRNPKILLLDEAT SALDTESEAEVQAALDKAREGRTTIVIAHRLSTVRNADVIAGFEDGVIVEQGSHSELMKKEGVYFKLVNMQTSGSQIQSE EFELNDEKAATRMAPNGWKSRLFRHSTQKNLKNSQMCQKSLDVETDGLEANVPPVSFLKVLKLNKTEWPYFVVGTVCAIA NGGLQPAFSVIFSEIIAIFGPGDDAVKQQKCNIFSLIFLFLGIISFFTFFLQGFTFGKAGEILTRRLRSMAFKAMLRQDM SWFDDHKNSTGALSTRLATDAAQVQGATGTRLALIAQNIANLGTGIIISFIYGWQLTLLLLAVVPIIAVSGIVEMKLLAG NAKRDKKELEAAGKIATEAIENIRTVVSLTQERKFESMYVEKLYGPYRNSVQKAHIYGITFSISQAFMYFSYAGCFRFGA YLIVNGHMRFRDVILVFSAIVFGAVALGHASSFAPDYAKAKLSAAHLFMLFERQPLIDSYSEEGLKPDKFEGNITFNEVV FNYPTRANVPVLQGLSLEVKKGQTLALVGSSGCGKSTVVQLLERFYDPLAGTVLLDGQEAKKLNVQWLRAQLGIVSQEPI LFDCSIAENIAYGDNSRVVSQDEIVSAAKAANIHPFIETLPHKYETRVGDKGTQLSGGQKQRIAIARALIRQPQILLLDE ATSALDTESEKVVQEALDKAREGRTCIVIAHRLSTIQNADLIVVFQNGRVKEHGTHQQLLAQKGIYFSMVSVQAGTQNL P21439 7.6.2.1 4B1 Fab-fragment light chain Homo sapiens 0.023346956999999998 1 Escherichia coli LEVO SDIQMTQSPSSLSASVGDRVTITCRASQSVSSAVAWYQQKPGKAPKLLIYSASSLYSGVPSRFSGSRSGTDFTLTISSLQ PEDFATYYCQQGYSKLITFGQGTKVEIKRTVAAPSVFIFPPSDSQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNS QESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC 4B1 Fab-fragment light chain Homo sapiens 0.025754572 1 Escherichia coli LEVO EISEVQLVESGGGLVQPGGSLRLSCAASGFNLYSSYIHWVRQAPGKGLEWVAYISSYYGSTSYADSVKGRFTISADTSKN TAYLQMNSLRAEDTAVYYCARSFSINGSYSWWWDQAAYGLDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGC LVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTH T 1,2-DILINOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE 0.0007820819999999999 1 DLP CHOLESTEROL 0.000386654 7 CLR singleParticle particle 0.6 7.4 ETHANE FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 100.0 2.7 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN GATAN K3 BIOQUANTUM (6k x 4k) 80.4 1 PHASE FLIPPING AND AMPLITUDE CORRECTION 3.6 FSC 0.143 CUT-OFF 53949 MAXIMUM LIKELIHOOD MAXIMUM LIKELIHOOD emd_12366.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 448 448 448 0 0 0 448 448 448 295.68002 295.68002 295.68002 90.0 90.0 90.0 X Y Z -0.0599804 0.06766267 -0.000053742122 0.0017531412 0.66 0.66 0.66 0.012 AUTHOR Nanodisc reconstituted human ABCB4 in complex with 4B1-Fab and QA2-Fab (phosphatidylcholine-bound, occluded conformation) emd_12366_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 448 448 448 0 0 0 448 448 448 295.68002 295.68002 295.68002 90.0 90.0 90.0 X Y Z -0.046651747 0.05650091 -0.0000667483 0.0017848032 0.66 0.66 0.66 AUTHOR Nanodisc reconstituted human ABCB4 in complex with 4B1-Fab and QA2-Fab (phosphatidylcholine-bound, occluded conformation)