ID   CYSL_SOLTU     STANDARD;      PRT;   386 AA.
AC   O81155;
DT   16-OCT-2001 (Rel. 40, Created)
DT   16-OCT-2001 (Rel. 40, Last sequence update)
DT   15-JUN-2002 (Rel. 41, Last annotation update)
DE   Cysteine synthase, chloroplast precursor (EC 4.2.99.8) (O-acetylserine
DE   sulfhydrylase) (O-acetylserine (Thiol)-lyase) (CSase B) (CS-B) (OAS-TL
DE   B).
OS   Solanum tuberosum (Potato).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliophyta; eudicotyledons; core eudicots;
OC   Asteridae; euasterids I; Solanales; Solanaceae; Solanum.
OX   NCBI_TaxID=4113;
RN   [1]
RP   SEQUENCE FROM N.A.
RC   STRAIN=cv. Berolina;
RA   Hesse H., Hoefgen R.;
RT   "Isolation of cDNAs encoding cytosolic and plastidic cysteine synthase
RT   isoforms from Solanum tuberosum.";
RL   (In) Plant Gene Register PGR98-057.
CC   -!- CATALYTIC ACTIVITY: O3-acetyl-L-serine + H(2)S = L-cysteine +
CC       acetate.
CC   -!- COFACTOR: PYRIDOXAL PHOSPHATE (BY SIMILARITY).
CC   -!- PATHWAY: Cysteine biosynthesis.
CC   -!- SUBUNIT: HOMODIMER (BY SIMILARITY).
CC   -!- SUBCELLULAR LOCATION: CHLOROPLAST STROMA (CHROMOPLAST) (BY
CC       SIMILARITY).
CC   -!- SIMILARITY: BELONGS TO THE CYSTEINE SYNTHASE/CYSTATHIONINE BETA-
CC       SYNTHASE FAMILY.
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DR   EMBL; AF044173; AAC25636.1; -.
DR   HSSP; P12674; 1OAS.
DR   InterPro; IPR001926; B6_enzyme_beta.
DR   InterPro; IPR001216; Cys_synthase.
DR   Pfam; PF00291; PALP; 1.
DR   TIGRFAMs; TIGR01136; cysKM; 1.
DR   TIGRFAMs; TIGR01139; cysK; 1.
DR   PROSITE; PS00901; CYS_SYNTHASE; 1.
KW   Lyase; Cysteine biosynthesis; Pyridoxal phosphate; Chloroplast;
KW   Transit peptide.
FT   TRANSIT       1     52       CHLOROPLAST (BY SIMILARITY).
FT   CHAIN        53    386       CYSTEINE SYNTHASE.
FT   BINDING     110    110       PYRIDOXAL PHOSPHATE (BY SIMILARITY).
SQ   SEQUENCE   386 AA;  41044 MW;  8EB3FEB2084D9594 CRC64;
     MASFINNPLT SLCNTKSERN NLFKISLYEA QSLGFSKLNG SRKVAFPSVV CKAVSVPTKS
     STEIEGLNIA EDVTQLIGNT PMVYLNTIAK GCVANIAAKL EIMEPCCSVK DRIGFSMIVD
     AEEKGLISPG KTVLVEPTSG NTGIGLAFIA ASRGYKLILT MPASMSLERR VILKAFGAEL
     VLTDPAKGMK GAVSKAEEIL NNTPDAYILQ QFDNPANPKI HYETTGPEIW EDTKGKIDIL
     VAGIGTGGTI TGTGRFLKEQ NPNIKIIGVE PTESNVLSGG KPGPHKIQGI GAGFIPGNLD
     QDVMDEVIEI SSDEAVETAR TLALQEGLLV GISSGAAALA AIQVGKRPEN AGKLIGVVFP
     SYGERYLSSI LFQSIREECE KMKPEL
//