8H63: Internalin A

Crystal structure of Internalin A from Listeria monocytogenes with nanobody VHH10 bound. Determined by X-ray diffraction at 1.53 Å resolution. Released 4 Oct 2023.

Method
X-ray diffraction
Resolution
1.53 Å
Organisms
Listeria monocytogenes serovar 1/2a, Lama glama
Chains
2
Atoms
5,311
Mol. weight
63.2 kDa
Ligands
IPA
Released
4 Oct 2023

Explore 8H63 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8H63 contains 24 α-helices and 40 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: 22 helices, 30 β-strands

ElementResiduesLengthSheet
β-strand42-4321
α-helix44-474
α-helix51-6010
β-strand69-7021
α-helix72-765
β-strand80-8232
α-helix94-963
β-strand102-10432
α-helix114-1163
β-strand124-12632
α-helix136-1383
β-strand146-14832
α-helix158-1603
β-strand168-17692
α-helix180-1823
β-strand190-19562
α-helix201-2033
β-strand211-21332
α-helix223-2275
β-strand233-23532
α-helix245-2495
β-strand255-25732
α-helix267-2715
β-strand277-27932
α-helix289-2913
β-strand299-30132
α-helix311-3133
β-strand321-32332
α-helix333-3375
β-strand343-34532
α-helix355-3595
β-strand365-36732
α-helix377-3793
β-strand387-38932
β-strand39713
α-helix399-4013
β-strand409-41132
β-strand412-41874
α-helix419-4213
β-strand422-42325
β-strand427-43156
β-strand43513
α-helix4401
β-strand44113
α-helix442-4443
β-strand446-44724
α-helix448-4503
β-strand452-45436
β-strand457-46156
β-strand468-479124
β-strand482-493124
β-strand494-49525
Chain B: 2 helices, 10 β-strands
ElementResiduesLengthSheet
β-strand3-757
β-strand10-1348
β-strand18-2587
α-helix27-315
β-strand33-3978
β-strand46-5168
β-strand57-5938
β-strand67-7267
β-strand77-8267
α-helix87-893
β-strand91-9888
β-strand114-11968

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Internalin AAprotein462Listeria monocytogenes serovar 1/2aP0DJM0 (AlphaFold model)
VHH10Bprotein120Lama glama
Sequence of entity 1 (A), FASTA
>8H63_1 Internalin A (chains A)
SATITQDTPINQIFTDTALAEKMKTVLGKTNVTDTVSQTDLDQVTTLQADRLGIKSIDGV
EYLNNLTQINFSNNQLTDITPLKNLTKLVDILMNNNQIADITPLANLTNLTGLTLFNNQI
TDIDPLKNLTNLNRLELSSNTISDISALSGLTSLQQLSFGNQVTDLKPLANLTTLERLDI
SSNKVSDISVLAKLTNLESLIATNNQISDITPLGILTNLDELSLNGNQLKDIGTLASLTN
LTDLDLANNQISNLAPLSGLTKLTELKLGANQISNISPLAGLTALTNLELNENQLEDISP
ISNLKNLTYLTLYFNNISDISPVSSLTKLQRLFFYNNKVSDVSSLANLTNINWLSAGHNQ
ISDLTPLANLTRITQLGLNDQAWTNAPVNYKANVSIPNTVKNVTGALIAPATISDGGSYT
EPDITWNLPSYTNEVSYTFSQPVTIGKGTTTFSGTVTQPLKA
Sequence of entity 2 (B), FASTA
>8H63_2 VHH10 (chains B)
ELQLVESGGGLVQAGGSLTVSCAASGSAFSVNVMGWSRQAPGKERELVAGITRRGNTYYA
DTVKGRFTISRDNAKNTLYLQMNSLKPEDTAMYYCAALADIATMGPNDYWGQGTQVTVSG

Ligands and cofactors

IDNameFormulaCopies
IPAIsopropyl alcoholC3 H8 O1

Water and common crystallization additives (EPE, GOL, NA) are not listed.

Primary citation

Anti-InlA single-domain antibodies that inhibit the cell invasion of Listeria monocytogenes. Yamazaki, T., Nagatoishi, S., Yamawaki, T. et al. J Biol Chem (2023) 299:105254-105254. DOI 10.1016/j.jbc.2023.105254 · PubMed

Other PDB entries of the same protein (UniProt P0DJM0 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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