Astra Suite

AstraUNFOLD

Topology, Disorder, and Aggregation — Per Residue

Before you can trust a construct, you need to know how it sits in a membrane, which stretches are disordered, and where it might aggregate. AstraUNFOLD reads all three from sequence, one residue at a time.

Membrane TopologyDisorderAmyloid Propensity
SignalTM helixExtracellularCytoplasmic
Disorder propensity
Per-Residue Topology & Disorder · a Multi-Pass Membrane Protein
Signature Strength

Three Structural Reads, One Pass

Membrane topology, intrinsic disorder, and amyloid-aggregation propensity — every residue, straight from sequence, with no MSA or experimental structure.

~78%
Transmembrane-Topology F1
ExtracellularCytoplasm

Real Structure · LacY Transporter (PDB 1PV6) · Membrane View

Read Through the Membrane, Residue by Residue

What It Reads

Three Structural Reads at Once

One model, three per-residue tracks — the signals that decide whether a target is even workable before any mutation is scored.

Membrane Topology

Which segments cross the membrane, their orientation inside vs. out, and any N-terminal signal peptide — the layout of a membrane protein.

Intrinsic Disorder

Per-residue disorder probability and the disordered regions it resolves into — the parts that won't hold a fixed fold.

Aggregation Propensity

Amyloidogenic, aggregation-prone stretches — the sequence liabilities that sink expression and stability.

~78%
Transmembrane-Topology F1
Per-Residue
3
Per-Residue Tracks
Topology · Disorder · Aggregation
6
Topology States Resolved
TM · Signal · In / Out · β-Barrel
EXTRACELLULARCYTOPLASMTM1TM2TM3TM4TM5TM6TM7ICL1ECL1ICL2ECL2ICL3ECL3GPPNCPTMBindingDisulfideTM helixpLDDT
Predicted Membrane Topology · a 7-TM Receptor

In Context

The Membrane Layout, Resolved

Topology isn't a footnote for membrane proteins — it dictates loops, termini, and where the accessible surface is. AstraUNFOLD lays out the transmembrane spans and orientation directly from the sequence.

Where It's Tested

Benchmarked Across Membrane Families

Topology and binding behaviour are evaluated at scale in the open Model Performance whitepapers — the families where getting the membrane read right matters most.

Put Astra on Your Targets

Every Astra model runs inside the Orbion platform. Bring a sequence and get the full read-out — structure, function, modifications, binding, and stability.