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Table 3 Occurrence of MSP130 and related proteins in S. purpuratus skeletal elements

From: Proteomic analysis of sea urchin (Strongylocentrotus purpuratus) spicule matrix

Glean3_entry

Sp-base

name

Test 1

Spine 1

Tooth 2

Spicule

06387

Sp-Msp130L

+

+

++

++

13821

02088

Sp-Msp130_1

Sp-Msp130

++

++

++

++

13822

Sp-Msp130r1

++

++

+

++

13823

Sp-Msp130r3

++

++

+

++

14492

Sp-Msp130r6

-

-

-

-

14496

Sp-Msp130r4

+

+

-

+

15763

Sp-Msp130r5

-

-

-

+

16506

21385 3

Sp-Msp130r2

Sp-Apl

++

++

++

++

  1. Entries are ordered with decreasing Glean3 numbers. 1, [25, 27]. 2, [26, 27]. 3, Sp-ApL (alkaline phosphatase-like) has only limited similarity to alkaline phosphatases but is very similar to MSP130-related 2. ++, among the 33% of most abundant proteins in the respective skeletal element; +, present; -, not identified.