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(-) Description

Title :  CRYSTAL STRUCTURE OF CLEAVED EQUINE LEUCOCYTE ELASTASE INHIBITOR DETERMINED AT 1.95 ANGSTROMS RESOLUTION
 
Authors :  U. Baumann, W. Bode, R. Huber, J. Travis, J. Potempa
Date :  13 Apr 92  (Deposition) - 31 Jan 94  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.95
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (2x)
Keywords :  Hydrolase Inhibitor(Serine Proteinase) (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  U. Baumann, W. Bode, R. Huber, J. Travis, J. Potempa
Crystal Structure Of Cleaved Equine Leucocyte Elastase Inhibitor Determined At 1. 95 A Resolution.
J. Mol. Biol. V. 226 1207 1992
PubMed-ID: 1518052  |  Reference-DOI: 10.1016/0022-2836(92)91062-T
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - HORSE LEUKOCYTE ELASTASE INHIBITOR
    Chains: A
    Engineered: YES
    Organism Common: HORSE
    Organism Scientific: EQUUS CABALLUS
    Organism Taxid: 9796
 
Molecule 2 - HORSE LEUKOCYTE ELASTASE INHIBITOR
    Chains: B
    Engineered: YES
    Organism Common: HORSE
    Organism Scientific: EQUUS CABALLUS
    Organism Taxid: 9796

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (2x): AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 2)

Asymmetric Unit (2, 2)
No.NameCountTypeFull Name
1ACE1Mod. Amino AcidACETYL GROUP
2CA1Ligand/IonCALCIUM ION
Biological Unit 1 (1, 2)
No.NameCountTypeFull Name
1ACE2Mod. Amino AcidACETYL GROUP
2CA-1Ligand/IonCALCIUM ION

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLY A:163 , GLU A:166 , HOH A:718BINDING SITE FOR RESIDUE CA A 647A

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1HLE)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1HLE)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1HLE)

(-) PROSITE Motifs  (1, 1)

Asymmetric Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1SERPINPS00284 Serpins signature.ILEU_HORSE352-362  1B:364-374
Biological Unit 1 (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1SERPINPS00284 Serpins signature.ILEU_HORSE352-362  2B:364-374

(-) Exons   (0, 0)

(no "Exon" information available for 1HLE)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:345
 aligned with ILEU_HORSE | P05619 from UniProtKB/Swiss-Prot  Length:379

    Alignment length:345
                             1                                                                                                                                                                                                                                                                                                                                                       
                             |       9        19        29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259       269       279       289       299       309       319       329       339     
          ILEU_HORSE      - -MEQLSTANTHFAVDLFRALNESDPTGNIFISPLSISSALAMIFLGTRGNTAAQVSKALYFDTVEDIHSRFQSLNADINKPGAPYILKLANRLYGEKTYNFLADFLASTQKMYGAELASVDFQQAPEDARKEINEWVKGQTEGKIPELLVKGMVDNMTKLVLVNAIYFKGNWQEKFMKEATRDAPFRLNKKDTKTVKMMYQKKKFPYNYIEDLKCRVLELPYQGKELSMIILLPDDIEDESTGLEKIEKQLTLEKLREWTKPENLYLAEVNVHLPRFKLEESYDLTSHLARLGVQDLFNRGKADLSGMSGARDLFVSKIIHKSFVDLNEEGTEAAAATAGTIMLA  344
               SCOP domains d1hle.1 A:,B: Elastase inhibitor                                                                                                                                                                                                                                                                                                                          SCOP domains
               CATH domains -1hleA02 A:23-193,A:290-358 Antithrombin, subunit I, domain 2                                                                                                              1hleA01 A:194-289 Alpha-1-antitrypsin, domain 1                                                         1hleA02 A:23-193,A:290-358 Antithrombin, subunit I, domain 2           CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
     Sec.struct. author (1) .hhhhhhhhhhhhhhhhhhhhhhh....eee.hhhhhhhhhhhhh..hhhhhhhhhhhh......hhhhhhhhhhhhhh......eeeeeeeeeeee....hhhhhhhhhhhh..eeeee.....hhhhhhhhhhhhhhhh..................eeeeeeeeeee...........eeeee.......eeeeeeeeeeeeeeeeee..eeeeeeeee...eeeeeeee..........hhhhhhh..hhhhhhhhh....-------------------hhhhh.........hhhhh...........eeeeeeeeeeeeee..eeeeeeeeeeeee.. Sec.struct. author (1)
     Sec.struct. author (2) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------eeeeeeeeeeeeeeeeeeee------------------------------------------------------------ Sec.struct. author (2)
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                1hle A   22 xMEQLSTANTHFAVDLFRALNESDPTGNIFISPLSISSALAMIFLGTRGNTAAQVSKALYFDTVEDIHSRFQSLNADINKPGAPYILKLANRLYGEKTYNFLADFLASTQKMYGAELASVDFQQAPEDARKEINEWVKGQTEGKIPELLVKGMVDNMTKLVLVNAIYFKGNWQQKFMKEATRDAPFRLNKKDTKTVKMMYQKKKFPYNYIEDLKCRVLELPYQGKELSMIILLPDDIEDESTGLEKIEKQLTLDKLREWTKPENLYLAEVNVHLPRFKLEESYDLTSHLARLGVQDLFNRGKADLSGMSGARDLFVSKIIHKSFVDLNEEGTEAAAATAGTILLA  358
                            |       31        41        51        61        71        81   ||   95       105       115       125       135       145    |  154       164       174     ||182       192       202       212       222       232       242    |  251      258C||||   266       276 ||    284       294       304       314|      323       333       343       353     
                            |                                                             85|                                                        149A                           179A|                                                                246A         258A||||||              277A|                                  314A                                            
                           22-ACE                                                          90                                                                                        179B                                                                              258B|||||               277B                                                                                  
                                                                                                                                                                                                                                                                        258C||||                                                                                                     
                                                                                                                                                                                                                                                                         258D|||                                                                                                     
                                                                                                                                                                                                                                                                          258E||                                                                                                     
                                                                                                                                                                                                                                                                           258F|                                                                                                     
                                                                                                                                                                                                                                                                             260                                                                                                     


Chain B from PDB  Type:PROTEIN  Length:31
 aligned with ILEU_HORSE | P05619 from UniProtKB/Swiss-Prot  Length:379

    Alignment length:31
                                   358       368       378 
          ILEU_HORSE    349 EENFNADHPFIFFIRHNPSANILFLGRFSSP  379
               SCOP domains d1hle.1 A:,B:                   SCOP domains
               CATH domains ------------------------------- CATH domains
               Pfam domains ------------------------------- Pfam domains
         Sec.struct. author eeee.....eeeeeeee..eeeeeeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------- SAPs(SNPs)
                    PROSITE ---SERPIN     ----------------- PROSITE
                 Transcript ------------------------------- Transcript
                1hle B  361 EENFNADHPFIFFIRHNPSANILFLGRFSSP  391
                                   370       380       390
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 1)

Asymmetric Unit
(-)
Class: Multi-domain proteins (alpha and beta) (2421)

(-) CATH Domains  (2, 2)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1HLE)

(-) Gene Ontology  (8, 8)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (ILEU_HORSE | P05619)
molecular function
    GO:0030414    peptidase inhibitor activity    Stops, prevents or reduces the activity of a peptidase, any enzyme that catalyzes the hydrolysis peptide bonds.
    GO:0004867    serine-type endopeptidase inhibitor activity    Stops, prevents or reduces the activity of serine-type endopeptidases, enzymes that catalyze the hydrolysis of nonterminal peptide bonds in a polypeptide chain; a serine residue (and a histidine residue) are at the active center of the enzyme.
biological process
    GO:0010951    negative regulation of endopeptidase activity    Any process that decreases the frequency, rate or extent of endopeptidase activity, the endohydrolysis of peptide bonds within proteins.
    GO:0010466    negative regulation of peptidase activity    Any process that stops or reduces the rate of peptidase activity, the hydrolysis of peptide bonds within proteins.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
    GO:0005615    extracellular space    That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

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