2026-09-26_00000228|ligand|9SP8

Cryo-EM structure of the Arabidopsis thaliana CAT4 transporter in the outward-open L-ornithine bound state; Electron microscopy 3.32Å
Protein #1 114 residues (100% resolved)

QVQLVESGGGLVQAGGSLRLSCAASGFPVNMYWMHWYRQAPGKEREWVAAIQSYGQWTAYADSVKGRFTISRDNAKNTVYLQMNSLKPEDTAVYYCAVGVGGYYLGQGTQVTVS

QVQLVESGGGLVQAGGSLRLSCAASGFPVNMYWMHWYRQAPGKEREWVAAIQSYGQWTAYADSVKGRFTISRDNAKNTVYLQMNSLKPEDTAVYYCAVGVGGYYLGQGTQVTVS
Protein #2 600 residues (86% resolved)

MNSLVRRKQVDSVHLIKNDGPHQLAKKLSAVDLVAIGVGTTIGAGVYILVGTVAREHTGPALAVSFFIAGVAAALSACCYAELASRCPSAGSAYHYAYICLGEGIAWLVGWALVLDYTIGGSAIARGITPNLASFFGGLDNLPVFLARQTIPGVGIVVDPCAALLIMIVTILLCFGIKESSTVQAIVTSVNVCTLVFIIVVGGYLACKTGWVGYDLPSGYFPFGLNGILAGSAVVFFSYIGFDTVTSTAEEVKNPQRDLPLGIGIALLICCILYMLLSVVIVGLVPYYSLNPDTPISSAFGDSGMQWAAYILTTGAITALCASLLGSLLAQPRIFMAMARDGLLPAFFSEISPRTQVPVKSTIAIGVLAAALAFFMDVAQLSEMVSVGTLMAFTAVAVCVLVLRYVPPDGVPLSSSSQTLSDTDESRAETENFLVDAIESSDSPLLGNETARDEKYFGKRRKIAAWSIALVCIGVLGLASAASAERLPSFPRFTICGVSAVILLGSLITLGYIDEDEERHNFGHKGGFLCPFVPYLPVLCILINTYLIINIGAGTWIRVLIWLLIGSMIYIFYGRSHSLLNNAVYVPTMTCTRKTTDHLA

MNSLVRRKQVDSVHLIKNDGPHQLAKKLSAVDLVAIGVGTTIGAGVYILVGTVAREHTGPALAVSFFIAGVAAALSACCYAELASRCPSAGSAYHYAYICLGEGIAWLVGWALVLDYTIGGSAIARGITPNLASFFGGLDNLPVFLARQTIPGVGIVVDPCAALLIMIVTILLCFGIKESSTVQAIVTSVNVCTLVFIIVVGGYLACKTGWVGYDLPSGYFPFGLNGILAGSAVVFFSYIGFDTVTSTAEEVKNPQRDLPLGIGIALLICCILYMLLSVVIVGLVPYYSLNPDTPISSAFGDSGMQWAAYILTTGAITALCASLLGSLLAQPRIFMAMARDGLLPAFFSEISPRTQVPVKSTIAIGVLAAALAFFMDVAQLSEMVSVGTLMAFTAVAVCVLVLRYVPPDGVPLSSSSQTLSDTDESRAETENFLVDAIESSDSPLLGNETARDEKYFGKRRKIAAWSIALVCIGVLGLASAASAERLPSFPRFTICGVSAVILLGSLITLGYIDEDEERHNFGHKGGFLCPFVPYLPVLCILINTYLIINIGAGTWIRVLIWLLIGSMIYIFYGRSHSLLNNAVYVPTMTCTRKTTDHLA
Non polymer #3 AV0

InChI=1S/C47H88O22/c1-3-5-7-9-11-13-15-17-19-47(20-18-16-14-12-10-8-6-4-2,25-62-43-39(60)35(56)41(29(23-50)66-43)68-45-37(58)33(54)31(52)27(21-48)64-45)26-63-44-40(61)36(57)42(30(24-51)67-44)69-46-38(59)34(55)32(53)28(22-49)65-46/h27-46,48-61H,3-26H2,1-2H3/t27-,28-,29-,30-,31-,32-,33+,34+,35-,36-,37-,38-,39-,40-,41-,42-,43-,44-,45-,46-/m1/s1

CCCCCCCCCCC(CCCCCCCCCC)(CO[C@H]1[C@@H]([C@H]([C@@H]([C@H](O1)CO)O[C@@H]2[C@@H]([C@H]([C@@H]([C@H](O2)CO)O)O)O)O)O)CO[C@H]3[C@@H]([C@H]([C@@H]([C@H](O3)CO)O[C@@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)O)O
Non polymer #4 CLR

InChI=1S/C27H46O/c1-18(2)7-6-8-19(3)23-11-12-24-22-10-9-20-17-21(28)13-15-26(20,4)25(22)14-16-27(23,24)5/h9,18-19,21-25,28H,6-8,10-17H2,1-5H3/t19-,21+,22+,23-,24+,25+,26+,27-/m1/s1

C[C@H](CCCC(C)C)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC=C4[C@@]3(CC[C@@H](C4)O)C)C
Non polymer #5 LBN

InChI=1S/C42H82NO8P/c1-6-8-10-12-14-16-18-20-21-23-25-27-29-31-33-35-42(45)51-40(39-50-52(46,47)49-37-36-43(3,4)5)38-48-41(44)34-32-30-28-26-24-22-19-17-15-13-11-9-7-2/h20-21,40H,6-19,22-39H2,1-5H3/b21-20-/t40-/m1/s1

CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)([O-])OCC[N+](C)(C)C)OC(=O)CCCCCCC/C=C\CCCCCCCC
Non polymer #6 ORN

InChI=1S/C5H12N2O2/c6-3-1-2-4(7)5(8)9/h4H,1-3,6-7H2,(H,8,9)/t4-/m0/s1

C(C[C@@H](C(=O)O)N)CN
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