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(-) Description

Title :  X-RAY CRYSTAL STRUCTURE OF THE COMPLEX OF HUMAN LEUKOCYTE ELASTASE (PMN ELASTASE) AND THE THIRD DOMAIN OF THE TURKEY OVOMUCOID INHIBITOR
 
Authors :  W. Bode, A-Z. Wei
Date :  24 Oct 91  (Deposition) - 31 Jan 94  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym./Biol. Unit :  E,I
Keywords :  Serine Proteinase, Hydrolase-Hydrolase Inhibitor Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  W. Bode, A. Z. Wei, R. Huber, E. Meyer, J. Travis, S. Neumann
X-Ray Crystal Structure Of The Complex Of Human Leukocyte Elastase (Pmn Elastase) And The Third Domain Of The Turkey Ovomucoid Inhibitor.
Embo J. V. 5 2453 1986
PubMed-ID: 3640709
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - HUMAN LEUKOCYTE ELASTASE
    ChainsE
    EC Number3.4.21.37
    EngineeredYES
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
 
Molecule 2 - TURKEY OVOMUCOID INHIBITOR (OMTKY3)
    ChainsI
    EngineeredYES
    Organism CommonTURKEY
    Organism ScientificMELEAGRIS GALLOPAVO
    Organism Taxid9103

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit EI

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (6, 16)

Asymmetric/Biological Unit (6, 16)
No.NameCountTypeFull Name
1BMA2Ligand/IonBETA-D-MANNOSE
2FUC2Ligand/IonALPHA-L-FUCOSE
3GAL1Ligand/IonBETA-D-GALACTOSE
4GLC1Ligand/IonALPHA-D-GLUCOSE
5MAN4Ligand/IonALPHA-D-MANNOSE
6NAG6Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU E:90 , GLN E:135 , ASN E:159 , FUC E:402 , NAG E:403 , HOH E:513 , HOH E:663 , HOH E:975BINDING SITE FOR RESIDUE NAG E 401
2AC2SOFTWARETRP E:27 , GLN E:135 , VAL E:200 , CYS E:201 , ASN E:202 , GLY E:207 , NAG E:401 , NAG E:403 , HOH E:513 , HOH E:1165BINDING SITE FOR RESIDUE FUC E 402
3AC3SOFTWARENAG E:401 , FUC E:402 , BMA E:404 , HOH E:663 , HOH E:1042BINDING SITE FOR RESIDUE NAG E 403
4AC4SOFTWARENAG E:403 , HOH E:1042BINDING SITE FOR RESIDUE BMA E 404
5AC5SOFTWAREASN E:61 , ALA E:84 , ASN E:109 , FUC E:412 , NAG E:413 , HOH E:789BINDING SITE FOR RESIDUE NAG E 411
6AC6SOFTWAREARG E:63B , VAL E:64 , ARG E:65 , NAG E:411 , HOH E:1090 , HOH I:1019BINDING SITE FOR RESIDUE FUC E 412
7AC7SOFTWAREVAL E:82 , NAG E:411 , BMA E:414 , HOH E:1091 , GLU I:10BINDING SITE FOR RESIDUE NAG E 413
8AC8SOFTWARENAG E:413BINDING SITE FOR RESIDUE BMA E 414

(-) SS Bonds  (7, 7)

Asymmetric/Biological Unit
No.Residues
1E:42 -E:58
2E:136 -E:201
3E:168 -E:182
4E:191 -E:220
5I:8 -I:38
6I:16 -I:35
7I:24 -I:56

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Tyr I:11 -Pro I:12

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (85, 85)

Asymmetric/Biological Unit (85, 85)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
01UniProtVAR_070696P42LELNE_HUMANDisease (SCN1)  ---EP28L
02UniProtVAR_070697F43LELNE_HUMANDisease (SCN1)  ---EF29L
03UniProtVAR_070698M44RELNE_HUMANDisease (SCN1)  ---EM30R
04UniProtVAR_070699V45EELNE_HUMANDisease (SCN1)  ---EV31E
05UniProtVAR_070700V45LELNE_HUMANDisease (CH)  ---EV31L
06UniProtVAR_070701S46CELNE_HUMANDisease (SCN1)  ---ES32C
07UniProtVAR_070702S46FELNE_HUMANDisease (SCN1)  ---ES32F
08UniProtVAR_070703L47PELNE_HUMANDisease (SCN1)878855319EL33P
09UniProtVAR_070704L47RELNE_HUMANDisease (SCN1)  ---EL33R
10UniProtVAR_070705L49PELNE_HUMANDisease (SCN1)  ---EL35P
11UniProtVAR_070706H53LELNE_HUMANDisease (SCN1)  ---EH40L
12UniProtVAR_070707H53QELNE_HUMANDisease (CH)  ---EH40Q
13UniProtVAR_070708H53YELNE_HUMANDisease (SCN1)  ---EH40Y
14UniProtVAR_070709C55SELNE_HUMANDisease (SCN1)  ---EC42S
15UniProtVAR_038609C55YELNE_HUMANDisease (SCN1)  ---EC42Y
16UniProtVAR_070710G56RELNE_HUMANDisease (SCN1)  ---EG43R
17UniProtVAR_070711A57SELNE_HUMANDisease (SCN1)  ---EA44S
18UniProtVAR_038610A57TELNE_HUMANDisease (SCN1)  ---EA44T
19UniProtVAR_070712A57VELNE_HUMANDisease (SCN1)  ---EA44V
20UniProtVAR_070713L59PELNE_HUMANDisease (SCN1)  ---EL46P
21UniProtVAR_038611I60TELNE_HUMANDisease (SCN1)  ---EI47T
22UniProtVAR_070715A61VELNE_HUMANDisease (SCN1)137854447EA48V
23UniProtVAR_070718S67WELNE_HUMANDisease (SCN1)  ---ES54W
24UniProtVAR_070719C71FELNE_HUMANDisease (SCN1)878855315EC58F
25UniProtVAR_038612C71RELNE_HUMANDisease (SCN1)28931611EC58R
26UniProtVAR_038613C71SELNE_HUMANDisease (SCN1)  ---EC58S
27UniProtVAR_070720C71YELNE_HUMANDisease (SCN1)  ---EC58Y
28UniProtVAR_070721V72GELNE_HUMANDisease (SCN1)  ---EV59G
29UniProtVAR_070722V80GELNE_HUMANDisease (SCN1)  ---EV64G
30UniProtVAR_070723R81PELNE_HUMANDisease (SCN1)  ---ER65P
31UniProtVAR_070724V82MELNE_HUMANDisease (SCN1)  ---EV66M
32UniProtVAR_070725L84PELNE_HUMANDisease (SCN1)  ---EL68P
33UniProtVAR_038614G85EELNE_HUMANDisease (SCN1)  ---EG69E
34UniProtVAR_070726G85RELNE_HUMANDisease (SCN1)  ---EG69R
35UniProtVAR_070727Q97LELNE_HUMANDisease (CH)  ---EQ81L
36UniProtVAR_038615V98LELNE_HUMANDisease (SCN1)267606781EV82L
37UniProtVAR_070728V98MELNE_HUMANDisease (SCN1)  ---EV82M
38UniProtVAR_038616V101LELNE_HUMANDisease (SCN1)137854449EV85L
39UniProtVAR_038617V101MELNE_HUMANDisease (SCN1)28929494EV85M
40UniProtVAR_070729R103LELNE_HUMANDisease (SCN1)  ---ER87L
41UniProtVAR_070730R103PELNE_HUMANDisease (SCN1)  ---ER87P
42UniProtVAR_070731I104NELNE_HUMANDisease (CH)  ---EI88N
43UniProtVAR_070732I118VELNE_HUMANPolymorphism  ---EI103V
44UniProtVAR_070733I120FELNE_HUMANDisease (SCN1)  ---EI105F
45UniProtVAR_070734I120NELNE_HUMANDisease (SCN1)  ---EI105N
46UniProtVAR_070735I120SELNE_HUMANDisease (SCN1)  ---EI105S
47UniProtVAR_070736L121PELNE_HUMANDisease (SCN1)  ---EL106P
48UniProtVAR_070737L123HELNE_HUMANDisease (SCN1)  ---EL108H
49UniProtVAR_070738N124IELNE_HUMANDisease (SCN1)  ---EN109I
50UniProtVAR_070739G125RELNE_HUMANPolymorphism377698556EG110R
51UniProtVAR_038619S126LELNE_HUMANDisease (SCN1)137854450ES111L
52UniProtVAR_070740A127DELNE_HUMANDisease (SCN1)  ---EA112D
53UniProtVAR_070741A127PELNE_HUMANDisease (SCN1)  ---EA112P
54UniProtVAR_070742A131TELNE_HUMANUnclassified (SCN1)201729066EA116T
55UniProtVAR_070743V135MELNE_HUMANPolymorphism774457980EV120M
56UniProtVAR_070744A136DELNE_HUMANDisease (SCN1)  ---EA121D
57UniProtVAR_038620P139LELNE_HUMANDisease (SCN1)28929493EP124L
58UniProtVAR_070745P139RELNE_HUMANDisease (SCN1)  ---EP124R
59UniProtVAR_070746R143HELNE_HUMANUnclassified (CH)200993994ER128H
60UniProtVAR_070747C151FELNE_HUMANDisease (SCN1)  ---EC136F
61UniProtVAR_038621C151SELNE_HUMANDisease (SCN1)  ---EC136S
62UniProtVAR_070748C151WELNE_HUMANDisease (SCN1)  ---EC136W
63UniProtVAR_070749C151YELNE_HUMANUnclassified (SCN1)57246956EC136Y
64UniProtVAR_070750L152PELNE_HUMANDisease (SCN1)  ---EL137P
65UniProtVAR_070751A153DELNE_HUMANDisease (SCN1)  ---EA138D
66UniProtVAR_070752A153PELNE_HUMANDisease (SCN1)  ---EA138P
67UniProtVAR_070753W156CELNE_HUMANDisease (SCN1)  ---EW141C
68UniProtVAR_070754W156RELNE_HUMANDisease (SCN1)  ---EW141R
69UniProtVAR_064513A166TELNE_HUMANDisease (SCN1)201788817EA152T
70UniProtVAR_070755G203CELNE_HUMANDisease (SCN1)  ---EG196C
71UniProtVAR_070756G203RELNE_HUMANDisease (SCN1)  ---EG196R
72UniProtVAR_038623P205RELNE_HUMANDisease (SCN1)  ---EP198R
73UniProtVAR_070757L206FELNE_HUMANDisease (CH)137854446EL199F
74UniProtVAR_070758L206SELNE_HUMANDisease (SCN1)  ---EL199S
75UniProtVAR_070759C208GELNE_HUMANDisease (SCN1)  ---EC201G
76UniProtVAR_070760N209IELNE_HUMANDisease (CH)  ---EN202I
77UniProtVAR_038624G210VELNE_HUMANDisease (SCN1)  ---EG207V
78UniProtVAR_070761G210WELNE_HUMANDisease (CH)  ---EG207W
79UniProtVAR_070762G214EELNE_HUMANDisease (SCN1)  ---EG211E
80UniProtVAR_038625G214RELNE_HUMANDisease (SCN1)137854451EG211R
81UniProtVAR_019237V219IELNE_HUMANUnclassified (SCN1)17216656EV216I
82UniProtVAR_070763R220QELNE_HUMANDisease (SCN1)137854445ER217Q
83UniProtVAR_070764A233PELNE_HUMANDisease (SCN1)  ---EA229P
84UniProtVAR_070765V235EELNE_HUMANDisease (SCN1)  ---EV231E
85UniProtVAR_070766V235GELNE_HUMANDisease (SCN1)  ---EV231G

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (5, 5)

Asymmetric/Biological Unit (5, 5)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1KAZAL_2PS51465 Kazal domain profile.IOVO_MELOE2-56  1I:2-56
IOVO_MELGA63-128
1-62
131-185
  1-
-
I:2-56
2KAZAL_1PS00282 Kazal serine protease inhibitors family signature.IOVO_MELOE16-38  1I:16-38
IOVO_MELGA86-108
145-167
  1-
I:16-38
3TRYPSIN_DOMPS50240 Serine proteases, trypsin domain profile.ELNE_HUMAN30-247  1E:16-243
4TRYPSIN_HISPS00134 Serine proteases, trypsin family, histidine active site.ELNE_HUMAN66-71  1E:53-58
5TRYPSIN_SERPS00135 Serine proteases, trypsin family, serine active site.ELNE_HUMAN196-207  1E:189-200

(-) Exons   (4, 4)

Asymmetric/Biological Unit (4, 4)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1ENST000002636211ENSE00000892229chr19:852291-852395105ELNE_HUMAN1-23230--
1.2ENST000002636212ENSE00000768824chr19:852876-853032157ELNE_HUMAN23-75531E:16-62 (gaps)47
1.3ENST000002636213ENSE00000768826chr19:853262-853403142ELNE_HUMAN75-122481E:62-107 (gaps)49
1.4ENST000002636214ENSE00000768828chr19:855564-855794231ELNE_HUMAN123-199771E:108-192 (gaps)87
1.5ENST000002636215ENSE00000892230chr19:855958-856242285ELNE_HUMAN200-267681E:193-243 (gaps)52

(-) Sequences/Alignments

Asymmetric/Biological 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 E from PDB  Type:PROTEIN  Length:218
 aligned with ELNE_HUMAN | P08246 from UniProtKB/Swiss-Prot  Length:267

    Alignment length:218
                                    39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239        
          ELNE_HUMAN     30 IVGGRRARPHAWPFMVSLQLRGGHFCGATLIAPNFVMSAAHCVANVNVRAVRVVLGAHNLSRREPTRQVFAVQRIFENGYDPVNLLNDIVILQLNGSATINANVQVAQLPAQGRRLGNGVQCLAMGWGLLGRNRGIASVLQELNVTVVTSLCRRSNVCTLVRGRQAGVCFGDSGSPLVCNGLIHGIASFVRGGCASGLYPDAFAPVAQFVNWIDSIIQ  247
               SCOP domains d1ppfe_ E: Elastase                                                                                                                                                                                                        SCOP domains
               CATH domains 1ppfE01     1ppfE02 E:28-120,E:233-243 Trypsin-like serine proteases                                      1ppfE01 E:16-27,E:121-232 Trypsin-like serine proteases                                              1ppfE02     CATH domains
               Pfam domains Trypsin-1ppfE01 E:16-238                                                                                                                                                                                             ----- Pfam domains
         Sec.struct. author ............eeeeeeeeeeeeeeeeeeeeeeeeeehhhhhh..hhhhh.eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee.......................eeeeeeeeeeeeeeeeeeeeeeeeeeeeee........eeee..............eeeeeeeeeeeeeee...........eeeehhhhhhhhhhhhhh Sec.struct. author
             SAPs(SNPs) (1) ------------LLRECP-P---L-SRS-PTV-----W---FG-------GPM-PE-----------LL--L-LN-------------V-FP-HIRLD---T---MD--L---H-------FPD--C---------T------------------------------------C-RF-GIV---E----IQ------------P-E------------ SAPs(SNPs) (1)
             SAPs(SNPs) (2) ---------------LFR-----Q-Y-T-------------R-------------R------------M--M-P----------------N------P-----------R-----------S-P--R----------------------------------------------R--S---W---R--------------------G------------ SAPs(SNPs) (2)
             SAPs(SNPs) (3) -----------------------Y---V-------------S------------------------------------------------S------------------------------W------------------------------------------------------------------------------------------------ SAPs(SNPs) (3)
             SAPs(SNPs) (4) -----------------------------------------Y-------------------------------------------------------------------------------Y------------------------------------------------------------------------------------------------ SAPs(SNPs) (4)
                PROSITE (2) ------------------------------------TRYPSI-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) TRYPSIN_DOM  PDB: E:16-243 UniProt: 30-247                                                                                                                                                                                 PROSITE (3)
                PROSITE (1) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------TRYPSIN_SER ---------------------------------------- PROSITE (1)
           Transcript 1 (1) Exon 1.2  PDB: E:16-62 (gaps) UniProt: 23-75  -----------------------------------------------Exon 1.4  PDB: E:108-192 (gaps) UniProt: 123-199                             Exon 1.5  PDB: E:193-243 (gaps) UniProt: 200-267 Transcript 1 (1)
           Transcript 1 (2) ---------------------------------------------Exon 1.3  PDB: E:62-107 (gaps) UniProt: 75-122  ----------------------------------------------------------------------------------------------------------------------------- Transcript 1 (2)
                1ppf E   16 IVGGRRARPHAWPFMVSLQLRGGHFCGATLIAPNFVMSAAHCVANVNVRAVRVVLGAHNLSRREPTRQVFAVQRIFENGYDPVNLLNDIVILQLNGSATINANVQVAQLPAQGRRLGNGVQCLAMGWGLLGRNRGIASVLQELNVTVVTSLCRRSNVCTLVRGRQAGVCFGDSGSPLVCNGLIHGIASFVRGGCASGLYPDAFAPVAQFVNWIDSIIQ  243
                                    25        35||      46        56       63C        73        83      ||94       104       114       124       134       144   ||  155       165|||    184  ||   192       202|      216    |  225       235        
                                               36|                       63A||                         90|                                                     148|             166||      186A|             202|          220A                       
                                                38                        63B|                          92                                                      150              168|       186B              207                                     
                                                                           63C                                                                                                    177                                                                 

Chain I from PDB  Type:PROTEIN  Length:56
 aligned with IOVO_MELGA | P68390 from UniProtKB/Swiss-Prot  Length:185

    Alignment length:56
                                   139       149       159       169       179      
          IOVO_MELGA    130 LAAVSVDCSEYPKPACTLEYRPLCGSDNKTYGNKCNFCNAVVESNGTLTLSHFGKC  185
               SCOP domains d1ppfi_ I: Ovomucoid domains                             SCOP domains
               CATH domains 1ppfI00 I:1-56  [code=3.30.60.30, no name defined]       CATH domains
               Pfam domains -------Kazal_1-1ppfI01 I:8-56                            Pfam domains
         Sec.struct. author ........................................................ Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ---------------KAZAL_1  PDB: I:16-38  ------------------ PROSITE (2)
                PROSITE (3) -------------------------------------------------------- PROSITE (3)
                PROSITE (4) -------------------------------------------------------- PROSITE (4)
                PROSITE (1) -KAZAL_2  PDB: I:2-56 UniProt: 131-185                   PROSITE (1)
                 Transcript -------------------------------------------------------- Transcript
                1ppf I    1 LAAVSVDCSEYPKPACTLEYRPLCGSDNKTYGNKCNFCNAVVESNGTLTLSHFGKC   56
                                    10        20        30        40        50      

Chain I from PDB  Type:PROTEIN  Length:56
 aligned with IOVO_MELOE | P68436 from UniProtKB/Swiss-Prot  Length:56

    Alignment length:56
                                    10        20        30        40        50      
          IOVO_MELOE      1 LAAVSVDCSEYPKPACTLEYRPLCGSDNKTYGNKCNFCNAVVESNGTLTLSHFGKC   56
               SCOP domains d1ppfi_ I: Ovomucoid domains                             SCOP domains
               CATH domains 1ppfI00 I:1-56  [code=3.30.60.30, no name defined]       CATH domains
               Pfam domains -------Kazal_1-1ppfI01 I:8-56                            Pfam domains
         Sec.struct. author ........................................................ Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -KAZAL_2  PDB: I:2-56 UniProt: 2-56                      PROSITE (1)
                PROSITE (2) ---------------KAZAL_1  PDB: I:16-38  ------------------ PROSITE (2)
                 Transcript -------------------------------------------------------- Transcript
                1ppf I    1 LAAVSVDCSEYPKPACTLEYRPLCGSDNKTYGNKCNFCNAVVESNGTLTLSHFGKC   56
                                    10        20        30        40        50      

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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  (2, 2)

Asymmetric/Biological Unit

(-) CATH Domains  (2, 3)

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

(-) Pfam Domains  (2, 2)

Asymmetric/Biological Unit
(-)
Clan: Kazal (46)

(-) Gene Ontology  (44, 50)

Asymmetric/Biological Unit(hide GO term definitions)
Chain E   (ELNE_HUMAN | P08246)
molecular function
    GO:0001106    RNA polymerase II transcription corepressor activity    Interacting selectively and non-covalently with an RNA polymerase II repressing transcription factor and also with the RNA polymerase II basal transcription machinery in order to stop, prevent, or reduce the frequency, rate or extent of transcription. Cofactors generally do not bind DNA, but rather mediate protein-protein interactions between repressive transcription factors and the basal transcription machinery.
    GO:0019955    cytokine binding    Interacting selectively and non-covalently with a cytokine, any of a group of proteins that function to control the survival, growth and differentiation of tissues and cells, and which have autocrine and paracrine activity.
    GO:0004175    endopeptidase activity    Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain.
    GO:0008201    heparin binding    Interacting selectively and non-covalently with heparin, any member of a group of glycosaminoglycans found mainly as an intracellular component of mast cells and which consist predominantly of alternating alpha-(1->4)-linked D-galactose and N-acetyl-D-glucosamine-6-sulfate residues.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0008233    peptidase activity    Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid.
    GO:0002020    protease binding    Interacting selectively and non-covalently with any protease or peptidase.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0004252    serine-type endopeptidase activity    Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
    GO:0008236    serine-type peptidase activity    Catalysis of the hydrolysis of peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
biological process
    GO:0002438    acute inflammatory response to antigenic stimulus    An acute inflammatory response to an antigenic stimulus. An acute inflammatory response occurs within a matter of minutes or hours, and either resolves within a few days or becomes a chronic inflammatory response.
    GO:0006874    cellular calcium ion homeostasis    Any process involved in the maintenance of an internal steady state of calcium ions at the level of a cell.
    GO:0042742    defense response to bacterium    Reactions triggered in response to the presence of a bacterium that act to protect the cell or organism.
    GO:0050832    defense response to fungus    Reactions triggered in response to the presence of a fungus that act to protect the cell or organism.
    GO:0022617    extracellular matrix disassembly    A process that results in the breakdown of the extracellular matrix.
    GO:0050900    leukocyte migration    The movement of a leukocyte within or between different tissues and organs of the body.
    GO:0045079    negative regulation of chemokine biosynthetic process    Any process that stops, prevents, or reduces the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of chemokines.
    GO:0050922    negative regulation of chemotaxis    Any process that stops, prevents, or reduces the frequency, rate or extent of the directed movement of a motile cell or organism in response to a specific chemical concentration gradient.
    GO:0044130    negative regulation of growth of symbiont in host    Any process in which the symbiont stops, prevents or reduces its increase in size or mass within the cells or tissues of the host organism. The host is defined as the larger of the organisms involved in the symbiotic interaction.
    GO:0050728    negative regulation of inflammatory response    Any process that stops, prevents, or reduces the frequency, rate or extent of the inflammatory response.
    GO:0045415    negative regulation of interleukin-8 biosynthetic process    Any process that stops, prevents, or reduces the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of interleukin-8.
    GO:0000122    negative regulation of transcription from RNA polymerase II promoter    Any process that stops, prevents, or reduces the frequency, rate or extent of transcription from an RNA polymerase II promoter.
    GO:0070947    neutrophil mediated killing of fungus    The directed killing of a fungal cell by a neutrophil.
    GO:0006909    phagocytosis    An endocytosis process that results in the engulfment of external particulate material by phagocytes. The particles are initially contained within phagocytic vacuoles (phagosomes), which then fuse with primary lysosomes to effect digestion of the particles.
    GO:0043406    positive regulation of MAP kinase activity    Any process that activates or increases the frequency, rate or extent of MAP kinase activity.
    GO:0050778    positive regulation of immune response    Any process that activates or increases the frequency, rate or extent of the immune response, the immunological reaction of an organism to an immunogenic stimulus.
    GO:0045416    positive regulation of interleukin-8 biosynthetic process    Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of interleukin-8.
    GO:0048661    positive regulation of smooth muscle cell proliferation    Any process that activates or increases the rate or extent of smooth muscle cell proliferation.
    GO:0030163    protein catabolic process    The chemical reactions and pathways resulting in the breakdown of a protein by the destruction of the native, active configuration, with or without the hydrolysis of peptide bonds.
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
    GO:0009411    response to UV    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an ultraviolet radiation (UV light) stimulus. Ultraviolet radiation is electromagnetic radiation with a wavelength in the range of 10 to 380 nanometers.
    GO:0032496    response to lipopolysaccharide    Any process that results in a change in state or activity of an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a lipopolysaccharide stimulus; lipopolysaccharide is a major component of the cell wall of gram-negative bacteria.
    GO:0001878    response to yeast    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus from a yeast species.
cellular component
    GO:0009986    cell surface    The external part of the cell wall and/or plasma membrane.
    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:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    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:0030141    secretory granule    A small subcellular vesicle, surrounded by a membrane, that is formed from the Golgi apparatus and contains a highly concentrated protein destined for secretion. Secretory granules move towards the periphery of the cell and upon stimulation, their membranes fuse with the cell membrane, and their protein load is exteriorized. Processing of the contained protein may take place in secretory granules.
    GO:0017053    transcriptional repressor complex    A protein complex that possesses activity that prevents or downregulates transcription.

Chain I   (IOVO_MELOE | P68436)
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:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

Chain I   (IOVO_MELGA | P68390)
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:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        ELNE_HUMAN | P082461b0f 1h1b 1hne 1ppg 2rg3 2z7f 3q76 3q77 4nzl 4wvp 5a09 5a0a 5a0b 5a0c 5a8x 5a8y 5a8z 5abw
        IOVO_MELGA | P683901cho 1cso 1ct0 1ct2 1ct4 1ds2 1ds3 1hja 1m8b 1m8c 1omt 1omu 1r0r 1sgd 1sge 1sgn 1sgp 1sgq 1sgr 1sgy 1tur 1tus 1yu6 1z7k 2gkr 2gkt 2gkv 2nu0 2nu1 2nu2 2nu3 2nu4 2sgd 2sge 2sgf 2sgp 2sgq 3sgb 3sgq
        IOVO_MELOE | P684361m8b 1m8c 2nu0 2nu1 2nu2 2nu3 2nu4

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 1PPF)