In-depth proteomic analyses of Haliotis laevigata (greenlip abalone) nacre and prismatic organic shell matrix

Mann, Karlheinz; Cerveau, Nicolas; Gummich, Meike; Fritz, Monika; Mann, Matthias; Jackson, Daniel J.

doi:10.1186/s12953-018-0139-3

Proteome Science

Table 2 Low-abundance proteins predicted to be related to chitin binding and modification

From: In-depth proteomic analyses of Haliotis laevigata (greenlip abalone) nacre and prismatic organic shell matrix

Protein	Accession no.	Predicted domains	Shell layer
Similar to chitinase-3	Comp79626_c0_seq1_4, idb_43266	SSP; chitinase_II, chitin-bd_II	N, P
Similar to chitin-binding protein	CLC_1125	SSP/TM; Cellulose/chitin-bd_N	N, P
Uncharacterized	CLC_18633	Chitin-bd_N; TM	N, P
Similar to chitinase-3	CLC_2296	SSP; chitinase_II, chitin-bd_II (2×)	N, P
Uncharacterized	CLC_2347, idb_28940	ARM_like, chitin-bd_II (2×); ConA_like	N
Uncharacterized/IgGFc-binding protein	CLC_3878, idb_2768, idb_2772, Tri_120377, Tri_120379	SSP; chitin-bd_II (4×), Sushi, galectin_CRP, FA58C_3	N, P
Similar to shell matrix protein (PSM_MYTCA)	idb_13357 (aa561–780), idb_13358	chitin-binding_II (2×); IDP	N, P
Similar to IgGFc-binding protein	idb_1745	SSP; chitin-bd_II (23×)	N, P
Uncharacterized	idb_2023, CLC_2607, idb_2021	IG, chitin-bd_II	N, P
Similar to chitinase-3	idb_32310	SSP; chitinase_II, chitin-bd_II (2×)	N, P
Uncharacterized	idb_44571	chitin-bd_II (4×); TM	N, P
Similar to endochitinase	idb_53451	glyco_hydro_18, chitin-bd_II	N
Similar to chitin deacetylase	idb_6290	SSP; glyco_hydro/deAcase_b/a-brl/NodB (2×)	N, P
Uncharacterized	idb_982	SSP; multiple Sushi_SCR_CCP, galactose_bd, chitin-bd_II (6×), fucolectin/tachylectin-4/pentraxin-1, galectin	N; P
Uncharacterized	Tri_109450	SSP; chitin-bd_II (2×)	N, P
Uncharacterized	Tri_7902	chitin-bd_II (3×)	N, P
Uncharacterized	idb_54309, Comp22563_c0_seq1_3, idb_57746	SSP, chitin-bd_II (3×)	P
Uncharacterized	Comp99505_c0_seq1_5	TM; chitinase_II	P
Uncharacterized	CLC_413	chitinase_II	P
Uncharacterized	idb_32090	TM; chitin-bd_II (3×)	P
Uncharacterized	idb_5844	TM; SEA, chitin-bd_II (3×), Ig-like_fold	P
Uncharacterized	Tri_50040	SSP; ConA-like, chitin-bd	P
Uncharacterized	Tri_95672	SSP; ConA-like,, chitin-bd_II (3×)	P

For more detailed annotations see additional Additional file 4: Table S2 and Additional file 5: Table S3. SSP predicted signal sequence peptide, TM predicted transmembrane segment, IDP predicted intrinsically disordered protein (predicted disorder > 90%), N nacre, P prismatic layer. Domain abbreviations are those of InterProScan (http://www.ebi.ac.uk/interpro/). The two first entries were close to the threshold for major proteins (bold print)

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