Simultaneous Fragment Docking for Geometrically Linkable Pose Pairs

Fuente: arXiv
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Autori principali: Lee, Jiyun, Chung, You Kyoung, Huh, Joonsuk
Natura: Preprint
Pubblicazione: 2026
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author Lee, Jiyun
Chung, You Kyoung
Huh, Joonsuk
author_facet Lee, Jiyun
Chung, You Kyoung
Huh, Joonsuk
contents Computational molecular design requires binding arrangements that are not only energetically favorable but also chemically realizable. However, computational methods remain limited in directly recovering fragment pose pairs that can later be connected into a single molecule. To address this problem, we formulated the simultaneous placement of two fragments as a quadratic unconstrained binary optimization problem, Q-SFD, and introduced an explicit inter-fragment distance term to favor reconstruction-feasible arrangements. Relative to the formulation without this term, Q-SFD approximately doubled top-1 recovery of reconstruction-feasible pairs, and the top-5 solutions contained at least one feasible pair for more than 90% of benchmark cases without loss of fragment-level pose accuracy.
format Preprint
id arxiv_https___arxiv_org_abs_2604_24773
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Simultaneous Fragment Docking for Geometrically Linkable Pose Pairs
Lee, Jiyun
Chung, You Kyoung
Huh, Joonsuk
Biomolecules
Quantum Physics
Computational molecular design requires binding arrangements that are not only energetically favorable but also chemically realizable. However, computational methods remain limited in directly recovering fragment pose pairs that can later be connected into a single molecule. To address this problem, we formulated the simultaneous placement of two fragments as a quadratic unconstrained binary optimization problem, Q-SFD, and introduced an explicit inter-fragment distance term to favor reconstruction-feasible arrangements. Relative to the formulation without this term, Q-SFD approximately doubled top-1 recovery of reconstruction-feasible pairs, and the top-5 solutions contained at least one feasible pair for more than 90% of benchmark cases without loss of fragment-level pose accuracy.
title Simultaneous Fragment Docking for Geometrically Linkable Pose Pairs
topic Biomolecules
Quantum Physics
url https://arxiv.org/abs/2604.24773