8GDL

Deposited: 2023-03-06 Released: 2024-01-17
Deposition Author(s): Lu, S., Andersen, J.F., Ribeiro, J.M.
Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

Experimental Data Snapshot

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

(2023) Commun Biol 6: 1280-1280

PubMed Abstract:
The salivary glands of hematophagous arthropods contain pharmacologically active molecules that interfere with host hemostasis and immune responses, favoring blood acquisition and pathogen transmission. Exploration of the salivary gland composition of the rat flea, Xenopsylla cheopis, revealed several abundant acid phosphatase-like proteins whose sequences lacked one or two of their presumed catalytic residues. In this study, we undertook a comprehensive characterization of the tree most abundant X. cheopis salivary acid phosphatase-like proteins. Our findings indicate that the three recombinant proteins lacked the anticipated catalytic activity and instead, displayed the ability to bind different biogenic amines and leukotrienes with high affinity. Moreover, X-ray crystallography data from the XcAP-1 complexed with serotonin revealed insights into their binding mechanisms.

Organizational Affiliation

Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, Bethesda, MD, USA. Stephen.lu@nih.gov.

Macromolecule Content

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Secreted salivary acid phosphatase	A, B	361	Xenopsylla cheopis	Mutation(s): 0
UniProt
Find proteins for A2IA89 (Xenopsylla cheopis) Explore A2IA89 Go to UniProtKB: A2IA89
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	A2IA89
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
PAM Query on PAM Download Ideal Coordinates CCD File SDF format, chain G [auth A] SDF format, chain J [auth B] MOL2 format, chain G [auth A] MOL2 format, chain J [auth B]	G [auth A], J [auth B]	PALMITOLEIC ACID C₁₆ H₃₀ O₂ SECPZKHBENQXJG-FPLPWBNLSA-N		Interactions Focus chain G [auth A] Focus chain J [auth B] Interactions & Density Focus chain G [auth A] Focus chain J [auth B]
SRO Query on SRO Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain H [auth B] MOL2 format, chain C [auth A] MOL2 format, chain H [auth B]	C [auth A], H [auth B]	SEROTONIN C₁₀ H₁₂ N₂ O QZAYGJVTTNCVMB-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain H [auth B] Interactions & Density Focus chain C [auth A] Focus chain H [auth B]
SO4 Query on SO4 Download Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain E [auth A] SDF format, chain F [auth A] SDF format, chain I [auth B] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] MOL2 format, chain F [auth A] MOL2 format, chain I [auth B]	D [auth A], E [auth A], F [auth A], I [auth B]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain I [auth B] Interactions & Density Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain I [auth B]