8ALK: Legionella phosphocholine hydrolase Lem3

Structure of the Legionella phosphocholine hydrolase Lem3 in complex with its substrate Rab1. Determined by X-ray diffraction at 2.15 Å resolution. Released 12 Apr 2023.

Method
X-ray diffraction
Resolution
2.15 Å
Organisms
Legionella pneumophila, Homo sapiens
Chains
2
Atoms
4,940
Mol. weight
73.84 kDa
Ligands
OJU, GDP, CA
Released
12 Apr 2023

Explore 8ALK in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8ALK contains 27 α-helices and 36 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 21 helices, 26 β-strands

ElementResiduesLengthSheet
β-strand22-2431
α-helix25-273
β-strand29-3242
α-helix35-384
α-helix43-508
β-strand51-5773
β-strand60-6673
β-strand6914
β-strand75-7952
β-strand82-9091
β-strand96-106111
α-helix114-13320
α-helix138-1469
β-strand166-176111
β-strand180-18891
β-strand192-19653
β-strand202-20653
β-strand208-21255
β-strand217-21935
β-strand237-24371
β-strand248-25253
α-helix254-2574
β-strand262-26765
β-strand271-27665
α-helix278-2825
α-helix285-2884
α-helix296-32732
α-helix330-3323
β-strand33716
α-helix338-34710
α-helix351-36212
β-strand371-37227
β-strand37916
α-helix380-38910
β-strand39214
β-strand395-40283
α-helix403-4053
α-helix406-41611
α-helix418-4203
α-helix421-4244
α-helix425-4306
α-helix435-44713
β-strand449-45028
β-strand455-45733
α-helix458-4603
β-strand464-46528
α-helix469-48214
Chain B: 6 helices, 10 β-strands
ElementResiduesLengthSheet
β-strand7-1489
α-helix21-299
β-strand45-5289
β-strand55-6399
α-helix67-693
β-strand71-7227
β-strand73-7425
β-strand83-8979
α-helix93-975
α-helix99-10911
β-strand115-12179
α-helix133-14210
β-strand147-14939
β-strand151110
β-strand156110
α-helix158-17215

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Phosphocholine hydrolase Lem3Aprotein469Legionella pneumophilaQ5ZXN5 (AlphaFold model)
Ras-related protein Rab-1BBprotein175Homo sapiensQ9H0U4 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>8ALK_1 Phosphocholine hydrolase Lem3 (chains A)
GHMDKIITGKKIIFSQSVAKDQTKNLSSFLSERFYSVNQSHNHSIIIGSSLSHQENDIEH
DTILDTSGVLVTTDTNGIVNGARVAITDGLGGGNGDQEEDDEIYRVSHSSCENFLNSDQN
IDTTLSLITQPKASDKKQTAPKTLQHTEASMAAFIYQNHPGKGYIGEFANIGDGLIIILD
KRFKIKHMVSASHIYRGFGTWTPPSLQALATTANKDALLVRQTLKLAEGDIIISMTDGVW
GELKTSLIAQTNDRRDIGVDKEYFKTLFDELTDAPYPSSFDIARIITQRAMSRSLERRKT
LIKLINEIEQQHFHEKSVKTINEVLEYFIKTGHVETAQTLKAILFEDGLSDGITYFENIE
IPLEMVMHDLKSRCVGDCSTINVTRIPYHLDELIRGFINYPEKHQILAPLFKARVKSEAD
LEEAFHRLSLEMVQPEIESPISETHFERAFKKETLDKTQAVLTHYFRIS
Sequence of entity 2 (B), FASTA
>8ALK_2 Ras-related protein Rab-1B (chains B)
GPMPEYDYLFKLLLIGDSGVGKSCLLLRFADDTYTESYISTIGVDFKIRTIELDGKTIKL
QIWDTAGQERFRTITSTYYRGAHGIIVVYDVTDQESYANVKQWLQEIDRYASENVNKLLV
GNKSDLTTKKVVDNTTAKEFADSLGIPFLETSAKNATNVEQAFMTMAAEIKKRMG

Ligands and cofactors

IDNameFormulaCopies
OJU2-[[[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)oxolan-2-yl]m…C18 H33 Cl N5 O12 P21
GDPGuanosine-5'-diphosphateC10 H15 N5 O11 P21
CACalcium ionCa4

Primary citation

Dephosphocholination by Legionella effector Lem3 functions through remodelling of the switch II region of Rab1b. Kaspers, M.S., Pogenberg, V., Pett, C. et al. Nat Commun (2023) 14:2245-2245. DOI 10.1038/s41467-023-37621-7 · PubMed

Other PDB entries of the same protein (UniProt Q5ZXN5 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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