PDB entry 1kn9

View 1kn9 on RCSB PDB site
Description: crystal structure of a bacterial signal peptidase apo-enzyme, implications for signal peptide binding and the ser-lys dyad mechanism.
Class: hydrolase
Keywords: serine protease, Lysine general base, membrane protein, mostly beta-fold, HYDROLASE
Deposited on 2001-12-18, released 2002-01-30
The last revision prior to the SCOPe 2.06 freeze date was dated 2009-02-24, with a file datestamp of 2009-02-03.
Experiment type: XRAY
Resolution: 2.4 Å
R-factor: 0.239
AEROSPACI score: 0.31 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: Signal peptidase I
    Species: Escherichia coli K12 [TaxId:83333]
    Gene: LEPB
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.06: d1kn9a_
  • Chain 'B':
    Compound: Signal peptidase I
    Species: Escherichia coli K12 [TaxId:83333]
    Gene: LEPB
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.06: d1kn9b_
  • Chain 'C':
    Compound: Signal peptidase I
    Species: Escherichia coli K12 [TaxId:83333]
    Gene: LEPB
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.06: d1kn9c_
  • Chain 'D':
    Compound: Signal peptidase I
    Species: Escherichia coli K12 [TaxId:83333]
    Gene: LEPB
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.06: d1kn9d_
  • Heterogens: HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download) 
    >1kn9A (A:)
mvrsfiyepfqipsgsmmptlligdfilvekfaygikdpiyqktlietghpkrgdivvfk
ypedpkldyikravglpgdkvtydpvskeltiqpgcssgqacenalpvtysnvepsdfvq
tfsrrnggeatsgffevpknetkengirlserketlgdvthriltvpiaqdqvgmyyqqp
gqqlatwivppgqyfmmgdnrdnsadsrywgfvpeanlvgrataiwmsfdkqegewptgl
rlsriggih

    Sequence, based on observed residues (ATOM records): (download) 
    >1kn9A (A:)
vrsfiyepfqipsgsmmptlligdfilvekfaygikdpiyqktlietghpkrgdivvfky
pedpkldyikravglpgdkvtydpvskeltiqpgcssnalpvtysnvepsdfvqtfsrrn
ggeatsgffevpknetkengirlserketlgdvthriltvpiaqdqvgmyyqqpgqqlat
wivppgqyfmmgdnrdnsadsrywgfvpeanlvgrataiwmsfdlrlsriggih

  • Chain 'B':
    Sequence, based on SEQRES records: (download) 
    >1kn9B (B:)
mvrsfiyepfqipsgsmmptlligdfilvekfaygikdpiyqktlietghpkrgdivvfk
ypedpkldyikravglpgdkvtydpvskeltiqpgcssgqacenalpvtysnvepsdfvq
tfsrrnggeatsgffevpknetkengirlserketlgdvthriltvpiaqdqvgmyyqqp
gqqlatwivppgqyfmmgdnrdnsadsrywgfvpeanlvgrataiwmsfdkqegewptgl
rlsriggih

    Sequence, based on observed residues (ATOM records): (download) 
    >1kn9B (B:)
sfiyepfqipsgsmmptlligdfilvekfahpkrgdivvfkypedpkldyikravglpgd
kvtydpvskeltiqpgcssgqacenalpvtysnvepsdfvqtfsrrnggeatsgffevpk
netkengirlserketlgdvthriltvpiaqdqvgmyyqqpgqqlatwivppgqyfmmgd
nrdnsadsrywgfvpeanlvgrataiwmsfdglrlsriggih

  • Chain 'C':
    Sequence, based on SEQRES records: (download) 
    >1kn9C (C:)
mvrsfiyepfqipsgsmmptlligdfilvekfaygikdpiyqktlietghpkrgdivvfk
ypedpkldyikravglpgdkvtydpvskeltiqpgcssgqacenalpvtysnvepsdfvq
tfsrrnggeatsgffevpknetkengirlserketlgdvthriltvpiaqdqvgmyyqqp
gqqlatwivppgqyfmmgdnrdnsadsrywgfvpeanlvgrataiwmsfdkqegewptgl
rlsriggih

    Sequence, based on observed residues (ATOM records): (download) 
    >1kn9C (C:)
vrsfiyepfqipsgsmmptlligdfilvekfaygikdpiyqktlietghpkrgdivvfky
pedpkldyikravglpgdkvtydpvskeltiqpgcssnalpvtysnvepsdfvqtfsrrn
ggeatsgffevpknetkengirlserketlgdvthriltvpiaqdqvgmyyqqpgqqlat
wivppgqyfmmgdnrdnsadsrywgfvpeanlvgrataiwmsfdlrlsriggih

  • Chain 'D':
    Sequence, based on SEQRES records: (download) 
    >1kn9D (D:)
mvrsfiyepfqipsgsmmptlligdfilvekfaygikdpiyqktlietghpkrgdivvfk
ypedpkldyikravglpgdkvtydpvskeltiqpgcssgqacenalpvtysnvepsdfvq
tfsrrnggeatsgffevpknetkengirlserketlgdvthriltvpiaqdqvgmyyqqp
gqqlatwivppgqyfmmgdnrdnsadsrywgfvpeanlvgrataiwmsfdkqegewptgl
rlsriggih

    Sequence, based on observed residues (ATOM records): (download) 
    >1kn9D (D:)
sfiyepfqipsgsmmptlligdfilvekfpkrgdivvfkyedpkldyikravglpgdkvt
ydpvskeltiqpgcssgqanalpvtysnvepsdfvqtfsrreatsgffevpknetkengi
rlserketlgdvthriltvpiaqdqvgmyyqqpgqqlatwivppgqyfmmgdnrdnsads
rywgfvpeanlvgrataiwmsfdglrlsriggih