6ije

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Crystal structure of the type VI amidase immunity (Tai4) from Agrobacterium tumefaciensCrystal structure of the type VI amidase immunity (Tai4) from Agrobacterium tumefaciens

Structural highlights

6ije is a 2 chain structure with sequence from Agrobacterium tumefaciens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.55Å
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

A0A083ZID3_RHIRD

Publication Abstract from PubMed

The type VI secretion system (T6SS) comprises needle-shaped multisubunit complexes that play a role in the microbial defense systems of Gram-negative bacteria. Some Gram-negative bacteria harboring a T6SS deliver toxic effector proteins into the cytoplasm or periplasm of competing bacteria in order to lyse and kill them. To avoid self-cell disruption, these bacteria have cognate immunity proteins that inhibit their toxic effector proteins. T6SS amidase effector protein 4 (Tae4) and T6SS amidase immunity protein 4 (Tai4) are a representative of the toxic effector-immunity pairs of the T6SS. Here, the three-dimensional structures of Tai4 and the Tae4-Tai4 complex from Agrobacterium tumefaciens are reported at 1.55 and 1.9 A resolution, respectively. A structural comparison with other Tae4-Tai4 homologs revealed similarities and differences in the catalytic and inhibitory mechanisms among the Tae4 and Tai4 family proteins.

Crystal structure of the Agrobacterium tumefaciens type VI effector-immunity complex.,Fukuhara S, Nakane T, Yamashita K, Ishii R, Ishitani R, Nureki O Acta Crystallogr F Struct Biol Commun. 2018 Dec 1;74(Pt 12):810-816. doi:, 10.1107/S2053230X18016369. Epub 2018 Nov 30. PMID:30511676[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

  1. Fukuhara S, Nakane T, Yamashita K, Ishii R, Ishitani R, Nureki O. Crystal structure of the Agrobacterium tumefaciens type VI effector-immunity complex. Acta Crystallogr F Struct Biol Commun. 2018 Dec 1;74(Pt 12):810-816. doi:, 10.1107/S2053230X18016369. Epub 2018 Nov 30. PMID:30511676 doi:http://dx.doi.org/10.1107/S2053230X18016369

6ije, resolution 1.55Å

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OCA