1 ID RU1A_HUMAN STANDARD; PRT; 282 AA.
3 DT 01-NOV-1988 (REL. 09, CREATED)
4 DT 01-NOV-1988 (REL. 09, LAST SEQUENCE UPDATE)
5 DT 01-OCT-1996 (REL. 34, LAST ANNOTATION UPDATE)
6 DE U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A (U1 SNRNP A PROTEIN).
8 OS HOMO SAPIENS (HUMAN).
9 OC EUKARYOTA; METAZOA; CHORDATA; VERTEBRATA; TETRAPODA; MAMMALIA;
10 OC EUTHERIA; PRIMATES.
15 RA NELISSEN R.L.H., SILLEKENS P.T.G., BEIJER R.P.,
16 RA GEURTS VAN KESSEL A.H.M., VAN VENROOIJ W.J.;
17 RL GENE 102:189-196(1991).
21 RA SILLEKENS P.T.G., HABETS W.J., BEIJER R.P., VAN VENROOIJ W.J.;
22 RL EMBO J. 6:3841-3848(1987).
24 RP X-RAY CRYSTALLOGRAPHY (2.8 ANGSTROMS) OF 1-95.
26 RA NAGAI K., OUBRIDGE C., JESSEN T.-H., LI J., EVANS P.R.;
27 RL NATURE 348:515-520(1990).
29 RP X-RAY CRYSTALLOGRAPHY (1.92 ANGSTROMS).
31 RA OUBRIDGE C., ITO N., EVANS P.R., TEO C.-H., NAGAI K.;
32 RL NATURE 372:432-438(1994).
34 RP STRUCTURE BY NMR OF 11-94.
36 RA HOFFMAN D.W., QUERY C.C., GOLDEN B.L., WHITE S.W., KEENE J.D.;
37 RL PROC. NATL. ACAD. SCI. U.S.A. 88:2495-2499(1991).
39 RP STRUCTURE BY NMR OF 1-102.
41 RA HOWE P.W.A., NAGAI K., NEUHAUS D., VARANI G.;
42 RL EMBO J. 13:3873-3881(1994).
44 RP STRUCTURE BY NMR OF 2-102.
46 RA ALLAIN F.H.-T., GUBSER C.C., HOWE P.W.A., NAGAI K., NEUHAUS D.,
48 RL NATURE 380:646-650(1996).
50 RP STRUCTURE BY NMR OF 1-117.
52 RA AVIS J.M., ALLAIN F.H.-T., HOWE P.W.A., VARANI G., NAGAI K.,
54 RL J. MOL. BIOL. 257:398-411(1996).
56 RP MUTAGENESIS, AND DETAILED STUDIES OF RNA-BINDING.
58 RA JESSEN T.-H., OUBRIDGE C., TEO C.H., PRITCHARD C., NAGAI K.;
59 RL EMBO J. 10:3447-3456(1991).
60 CC -!- FUNCTION: BINDS STEM LOOP II OF U1 SNRNA. IT IS THE FIRST SN-RNP
61 CC TO INTERACT WITH PRE-MRNA. THIS INTERACTION IS REQUIRED FOR THE
62 CC SUBSEQUENT BINDING OF U2 SN-RNP AND THE U4/U6/U5 TRI-SN-RNP.
63 CC -!- SUBUNIT: BELONGS TO THE SPLICEOSOME WHERE IT IS ASSOCIATED WITH
65 CC -!- SUBCELLULAR LOCATION: NUCLEAR.
66 CC -!- SIMILARITY: BELONGS TO THE U1 A/B" FAMILY.
67 CC -!- SIMILARITY: CONTAINS 2 RNA RECOGNITION MOTIFS (RNP).
68 DR EMBL; M60784; G340052; -.
69 DR EMBL; M60779; G340052; JOINED.
70 DR EMBL; M60780; G340052; JOINED.
71 DR EMBL; M60781; G340052; JOINED.
72 DR EMBL; M60782; G340052; JOINED.
73 DR EMBL; M60783; G340052; JOINED.
74 DR EMBL; X06347; G37541; -.
75 DR PIR; JQ1528; JQ1528.
76 DR PDB; 1NRC; 31-JAN-94.
78 DR PROSITE; PS00030; RNP_1.
79 KW NUCLEAR PROTEIN; RNA-BINDING; RIBONUCLEOPROTEIN; REPEAT;
80 KW SPLICEOSOME; 3D-STRUCTURE.
81 FT DOMAIN 12 17 RNA-BINDING (RNP2) (BY SIMILARITY).
82 FT DOMAIN 52 59 RNA-BINDING (RNP1) (BY SIMILARITY).
83 FT DOMAIN 210 215 RNA-BINDING (RNP2) (BY SIMILARITY).
84 FT DOMAIN 244 251 RNA-BINDING (RNP1) (BY SIMILARITY).
87 FT MUTAGEN 11 11 T->V: ABOLISHES RNA-BINDING.
88 FT MUTAGEN 13 13 Y->F: SUBSTANTIALLY REDUCES RNA-BINDING.
89 FT MUTAGEN 15 15 N->V: ABOLISHES RNA-BINDING.
90 FT MUTAGEN 16 16 N->V: SUBSTANTIALLY REDUCES RNA-BINDING.
91 FT MUTAGEN 52 52 R->Q: ABOLISHES RNA-BINDING.
92 SQ SEQUENCE 282 AA; 31279 MW; 22427816 CRC32;
93 MAVPETRPNH TIYINNLNEK IKKDELKKSL YAIFSQFGQI LDILVSRSLK MRGQAFVIFK
94 EVSSATNALR SMQGFPFYDK PMRIQYAKTD SDIIAKMKGT FVERDRKREK RKPKSQETPA
95 TKKAVQGGGA TPVVGAVQGP VPGMPPMTQA PRIMHHMPGQ PPYMPPPGMI PPPGLAPGQI
96 PPGAMPPQQL MPGQMPPAQP LSENPPNHIL FLTNLPEETN ELMLSMLFNQ FPGFKEVRLV
97 PGRHDIAFVE FDNEVQAGAA RDALQGFKIT QNNAMKISFA KK