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ID MA32_HUMAN STANDARD; PRT; 282 AA.
AC Q07021;
DT 01-FEB-1995 (Rel. 31, Created)
DT 01-FEB-1995 (Rel. 31, Last sequence update)
DT 01-OCT-2000 (Rel. 40, Last annotation update)
DE COMPLEMENT COMPONENT 1, Q SUBCOMPONENT BINDING PROTEIN, MITOCHONDRIAL
DE PRECURSOR (GLYCOPROTEIN GC1QBP) (GC1Q-R PROTEIN) (HYALURONAN-BINDING
DE PROTEIN 1) (PRE-MRNA SPLICING FACTOR SF2, P32 SUBUNIT) (P33).
GN GC1QBP OR HABP1 OR SF2P32 OR C1QBP.
OS Homo sapiens (Human).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Mammalia; Eutheria; Primates; Catarrhini; Hominidae; Homo.
OX NCBI_TaxID=9606;
RN [1]
RP SEQUENCE FROM N.A., AND SEQUENCE OF 74; 76-93 AND 208-216.
RC TISSUE=FIBROBLAST;
RX MEDLINE=94085792; PubMed=8262387;
RA Honore B., Madsen P., Rasmussen H.H., Vandekerckhove J., Celis J.E.,
RA Leffers H.;
RT "Cloning and expression of a cDNA covering the complete coding region
RT of the P32 subunit of human pre-mRNA splicing factor SF2.";
RL Gene 134:283-287(1993).
RN [2]
RP SEQUENCE OF 5-282 FROM N.A., AND SEQUENCE OF 74-114.
RX MEDLINE=91309150; PubMed=1830244;
RA Krainer A.R., Mayeda A., Kozak D., Binns G.;
RT "Functional expression of cloned human splicing factor SF2: homology
RT to RNA-binding proteins, U1 70K, and Drosophila splicing regulators.";
RL Cell 66:383-394(1991).
RN [3]
RP SEQUENCE FROM N.A., AND PARTIAL SEQUENCE.
RX MEDLINE=94253723; PubMed=8195709;
RA Ghebrehiwet B., Lim B.L., Peerschke E.I., Willis A.C., Reid K.B.;
RT "Isolation, cDNA cloning, and overexpression of a 33-kD cell surface
RT glycoprotein that binds to the globular 'heads' of C1q.";
RL J. Exp. Med. 179:1809-1821(1994).
RN [4]
RP X-RAY CRYSTALLOGRAPHY (2.25 ANGSTROMS).
RX MEDLINE=99199225; PubMed=10097078;
RA Jiang J., Zhang Y., Krainer A.R., Xu R.-M.;
RT "Crystal structure of human p32, a doughnut-shaped acidic
RT mitochondrial matrix protein.";
RL Proc. Natl. Acad. Sci. U.S.A. 96:3572-3577(1999).
CC -!- FUNCTION: NOT KNOWN. BINDS TO THE GLOBULAR "HEADS" OF C1Q THUS
CC INHIBITING C1 ACTIVATION.
CC -!- SUBCELLULAR LOCATION: MITOCHONDRIAL MATRIX.
CC -!- SIMILARITY: BELONGS TO THE MAM33 FAMILY.
CC -!- CAUTION: WAS ORIGINALLY (REF.1 AND REF.2) THOUGHT TO BE A PRE-MRNA
CC SPLICING FACTOR THAT PLAYS A ROLE IN PREVENTING EXON SKIPPING,
CC ENSURING THE ACCURACY OF SPLICING AND REGULATING ALTERNATIVE
CC SPLICING.
CC --------------------------------------------------------------------------
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CC the European Bioinformatics Institute. There are no restrictions on its
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DR EMBL; L04636; AAA16315.1; -.
DR EMBL; M69039; AAA73055.1; -.
DR EMBL; X75913; CAA53512.1; -.
DR PIR; JT0762; JT0762.
DR PIR; S44104; S44104.
DR PDB; 1P32; 06-APR-99.
DR MIM; 601269; -.
KW Mitochondrion; Transit peptide; 3D-structure.
FT TRANSIT 1 73 MITOCHONDRION.
FT CHAIN 74 282 COMPLEMENT COMPONENT 1, Q SUBCOMPONENT
FT BINDING PROTEIN.
SQ SEQUENCE 282 AA; 31362 MW; 2F747FA73BB1314B CRC64;
MLPLLRCVPR VLGSSVAGLR AAAPASPFRQ LLQPAPRLCT RPFGLLSVRA GSERRPGLLR
PRGPCACGCG CGSLHTDGDK AFVDFLSDEI KEERKIQKHK TLPKMSGGWE LELNGTEAKL
VRKVAGEKIT VTFNINNSIP PTFDGEEEPS QGQKVEEQEP ELTSTPNFVV EVIKNDDGKK
ALVLDCHYPE DEVGQEDEAE SDIFSIREVS FQSTGESEWK DTNYTLNTDS LDWALYDHLM
DFLADRGVDN TFADELVELS TALEHQEYIT FLEDLKSFVK SQ
//