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Table 1 Results of spidroin gene family selection analyses

From: Shifts in morphology, gene expression, and selection underlie web loss in Hawaiian Tetragnatha spiders

FUSTr family

Annotation

Pervasive selection (FUBAR)

Episodic selection (aBSREL)

Relaxed selection (RELAX)

Relax K

Family_5412

Sp-907/Sp-74867 (C-terminal)

NA

Malkaridae sp. 17

Australomimetus sp., Malkaridae sp. 17, T. brevignatha, T. waikamoi

K = 0.22

Family_18703

Sp-1339 (C-terminal)

NA

NA

T. brevignatha, T. filiciphilia, T. paludicola, T. perreirai, T. quasimodo, T. stelarobusta, T. waikamoi

K = 0.31

Family_19435

AgSp (repetitive region)

NA

T. polychromata

NA

NA

Family_21837

AgSp (C-terminal)

NA

NA

T. tantalus

K = 0.09

Family_68763

MaSp (N-terminal)

15 residues

NA

NA

NA

Family_30334

AgSp (C-terminal)

3 residues

NA

NA

NA

Family_54136

AgSp (repetitive region)

NA

NA

NA

NA

Family_9974

AcSp (C-terminal)

NA

NA

NA

NA

  1. For RELAX test, K parameter indicates degree of relaxation, with smaller values indicating greater relaxation in the test branches. AgSp, aggregate spidroin; MaSp, major ampullate spidroin; AcSp, Aciniform spidroin; Non-web building (cursorial) taxa are indicated in bold