Database of articles cited by EMDB/PDB/SASBDB data

Keywords
Structure methods	All X-ray diffraction NMR electron microscopy small angle scattering neutron diffraction fiber diffraction powder diffraction infrared spectroscopy EPR fluorescence transfer theoretical model Hybrid
Author
Journal
IF	>30 >20 >10 >5 all

Title	Substrate recognition diversity and transport dynamics of ABCC1.
Journal, issue, pages	Nat Commun, Vol. 16, Issue 1, Page 10499, Year 2025
Publish date	Nov 25, 2025
Authors	Panpan Sun / Kexin Liu / Linnan Zhang / Qixiang Zhang / Yina Gao / Zhaolong Li / Yalan Zhu / Songqing Liu / Liguo Zhang / Ang Gao / Pu Gao /
PubMed Abstract	ABCC1 is an ATP-binding cassette (ABC) transporter that exports diverse endogenous and exogenous substrates, conferring resistance to many anticancer drugs and mediating various physiological ...ABCC1 is an ATP-binding cassette (ABC) transporter that exports diverse endogenous and exogenous substrates, conferring resistance to many anticancer drugs and mediating various physiological functions. Here, we present ten cryo-EM structures of ABCC1 in different functional states, providing systematic insights into its substrate recognition diversity and transport dynamics. ABCC1 utilizes a plastic bipartite substrate-binding pocket and a substrate-induced conformational flexibility to accommodate molecules with diverse properties, including bimolecular glutathione (GSH)-substrate pairs, GSH conjugates, and GSH-independent cyclic dinucleotides. A herein characterized substrate-releasing intermediate state reveals ATP-mediated overall conformational transitions and detailed pocket reorganization during substrate loading, pre-release, and post-release. Unexpectedly, we identify a sequential nucleotide release mechanism where the hydrolysis product ADP, rather than unhydrolyzed ATP, releases first, priming the transporter for turnover and resetting. Complemented by mutagenesis and functional assays, these findings provide a complete framework for understanding ABCC1's molecular basis and offer a foundation for developing next-generation modulators.
External links	Nat Commun / PubMed:41290683 / PubMed Central
Methods	EM (single particle)
Resolution	2.95 - 3.7 Å
Structure data	63055 9lg6 EMDB-63055, PDB-9lg6: bovine ABCC1 bound to CDAS Method: EM (single particle) / Resolution: 3.7 Å 63056 9lg7 EMDB-63056, PDB-9lg7: bovine ABCC1 bound to 2'3'-CDAS (in the presence of GSH) Method: EM (single particle) / Resolution: 3.64 Å 63057 9lg8 EMDB-63057, PDB-9lg8: bovine ABCC1 bound to estrogen sulfate and GSH Method: EM (single particle) / Resolution: 3.55 Å 63058 9lg9 EMDB-63058, PDB-9lg9: bovine ABCC1 bound to GSSG Method: EM (single particle) / Resolution: 3.56 Å 63059 9lga EMDB-63059, PDB-9lga: bovine ABCC1 bound to verapamil and GSH Method: EM (single particle) / Resolution: 3.36 Å 63060 9lgb EMDB-63060, PDB-9lgb: bovine ABCC1 bound to leukotriene C4 Method: EM (single particle) / Resolution: 3.34 Å 63061 9lgc EMDB-63061, PDB-9lgc: bovine ABCC1 bound to vincristine and GSH Method: EM (single particle) / Resolution: 2.95 Å 63062 9lgd EMDB-63062, PDB-9lgd: wild-type bovine ABCC1 under an active turnover conformation with unhydrolyzed ATP bound and hydrolyzed ADP released Method: EM (single particle) / Resolution: 3.29 Å 63063 9lge EMDB-63063, PDB-9lge: wild-type bovine ABCC1 bound to two ATP molecules -1 Method: EM (single particle) / Resolution: 3.21 Å 63064 9lgf EMDB-63064, PDB-9lgf: wild type bovine ABCC1 bound to two ATP molecules -2 Method: EM (single particle) / Resolution: 3.01 Å
Chemicals	ChemComp-GJF: (1~{R},3~{S},6~{R},8~{R},9~{R},10~{S},12~{S},15~{R},17~{R},18~{R})-8,17-bis(6-aminopurin-9-yl)-3,12-bis(oxidanylidene)-3,12-bis(sulfanyl)-2,4,7,11,13,16-hexaoxa-3$l^{5},12$l^{5}-diphosphatricyclo[13.2.1.0^{6,10}]octadecane-9,18-diol ChemComp-FY5: estrone 3-sulfate / medication, hormoneYM ChemComp-GSH: GLUTATHIONE ChemComp-GDS: OXIDIZED GLUTATHIONE DISULFIDE ChemComp-4YH: (2S)-2-(3,4-dimethoxyphenyl)-5-{[2-(3,4-dimethoxyphenyl)ethyl](methyl)amino}-2-(propan-2-yl)pentanenitrile ChemComp-LTX: (5~{S},6~{R},7~{E},9~{E},11~{Z},14~{Z})-6-[(2~{R})-2-[[(4~{S})-4-azanyl-5-oxidanyl-5-oxidanylidene-pentanoyl]amino]-3-( ChemComp-R1Q: vincristine ChemComp-ATP: ADENOSINE-5'-TRIPHOSPHATE / ATP, energy-carrying moleculeYM ChemComp-MG: Unknown entry
Source	bos taurus (domestic cattle)
Keywords	PROTEIN TRANSPORT / ABC transporter / inward-open ABCC1 / CDAS / 2'3'-CDAS / estrogen sulfate / GSH / GSSG / verapamil / LTC4 / vincristine / active ABCC1 / ATP / outward-open ABCC1