1460746429-f1d62e41-86ea-4922-9b9d-475f45a06c25

What is claimed is:

1. An isolated polynucleotide expression vector comprising the nucleotide sequence described in SEQ ID NO: 1.
2. An isolated nucleic acid molecule comprising a nucleotide sequence that:
(a) encodes the amino acid sequence shown in SEQ ID NO: 2; and
(b) hybridizes under stringent conditions to the nucleotide sequence of SEQ ID NO: 1 or the complement thereof.
3. An isolated nucleic acid molecule comprising a nucleotide sequence that encodes the amino acid sequence shown in SEQ ID NO: 2.
4. An isolated oligopeptide having a sequence of at least about 12 contiguous amino acids first disclosed in SEQ ID NO:2.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A polymerizable composition comprising:
a hydrophilic polymer (A) having a radical polymerizable group on a terminal;
a radical polymerizable compound (B); and
a polymerization initiator (C).
2. The polymerizable composition according to claim 1, wherein the hydrophilic polymer (A) having a radical polymerizable group on a terminal contains a functional group selected from an alkyl sulfonic acid group or a salt thereof, or an amide group.
3. The polymerizable composition according to claim 1, wherein the radical polymerizable compound (B) contains two or more terminal ethylenically unsaturated bonds.
4. The polymerizable composition according to claim 1, wherein the polymerization initiator (C) contains a hydrophilic group.
5. A hydrophilic film formed by curing a film by application of light or heat, wherein the film comprises a polymerizable composition comprising:
a hydrophilic polymer (A) having a radical polymerizable group on a terminal;
a radical polymerizable compound (B); and
a polymerization initiator (C).
6. The hydrophilic film according to claim 5, wherein the hydrophilic polymer (A) having a radical polymerizable group on a terminal contains a functional group selected from an alkyl sulfonic acid group or a salt thereof, or an amide group.
7. The hydrophilic film according to claim 5, wherein the radical polymerizable compound (B) contains two or more terminal ethylenically unsaturated bonds.
8. The hydrophilic film according to claim 5, wherein the polymerization initiator (C) contains a hydrophilic group.
9. A planographic printing plate precursor comprising a support and the hydrophilic film of claim 5 formed on or above the support.
10. The planographic printing plate precursor according to claim 9, wherein the hydrophilic film contains an infrared absorbent (E).
11. The planographic printing plate precursor according to claim 9, wherein the hydrophilic polymer (A) having a radical polymerizable group on a terminal contains a functional group selected from an alkyl sulfonic acid group or a salt thereof, or an amide group.
12. The planographic printing plate precursor according to claim 9, wherein the radical polymerizable compound (B) contains two or more terminal ethylenically unsaturated bonds.
13. The planographic printing plate precursor according to claim 9, wherein the polymerization initiator (C) contains a hydrophilic group.
14. A planographic printing plate precursor comprising a support and the hydrophilic film of claim 5 formed on or above the support, wherein the hydrophilic film contains at least one kind selected from a compound (D-1) whose hydrophilicity is converted to hydrophobicity upon application of heat, or particles (D-2) whose hydrophilicity is converted to hydrophobicity upon application of heat.
15. The planographic printing plate precursor according to claim 14, wherein the hydrophilic film further contains an infrared absorbent (E).
16. The planographic printing plate precursor according to claim 14, wherein the hydrophilic polymer (A) having a radical polymerizable group on a terminal contains a functional group selected from an alkyl sulfonic acid group or a salt thereof, or an amide group.
17. The planographic printing plate precursor according to claim 14, wherein the radical polymerizable compound (B) contains two or more terminal ethylenically unsaturated bonds.
18. The planographic printing plate precursor according to claim 14, wherein the polymerization initiator (C) contains a hydrophilic group.
19. The planographic printing plate precursor according to claim 15, wherein the hydrophilic polymer (A) having a radical polymerizable group on a terminal contains a functional group selected from an alkyl sulfonic acid group or a salt thereof, or an amide group.
20. The planographic printing plate precursor according to claim 15, wherein the radical polymerizable compound (B) contains two or more terminal ethylenically unsaturated bonds.