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(-) Description

Title :  CRYSTAL STRUCTURE OF THE SERINE PROTEASE DOMAIN OF MASP-3 IN COMPLEX WITH ECOTIN
 
Authors :  C. Gaboriaud
Date :  23 Jan 13  (Deposition) - 19 Jun 13  (Release) - 11 Sep 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.20
Chains :  Asym. Unit :  C,D,E,F
Biol. Unit 1:  C,D,E,F  (1x)
Biol. Unit 2:  C,D,E,F  (2x)
Keywords :  Trypsin-Like Fold, Protease, Inhibitor, Extracellular, Hydrolase- Hydrolase Inhibitor Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. Gaboriaud, R. K. Gupta, L. Martin, M. Lacroix, L. Serre, F. Teillet, G. J. Arlaud, V. Rossi, N. M. Thielens
The Serine Protease Domain Of Masp-3: Enzymatic Properties And Crystal Structure In Complex With Ecotin.
Plos One V. 8 67962 2013
PubMed-ID: 23861840  |  Reference-DOI: 10.1371/JOURNAL.PONE.0067962

(-) Compounds

Molecule 1 - ECOTIN
    Chains: C, D
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562
 
Molecule 2 - MANNAN-BINDING LECTIN SERINE PROTEASE 3
    Chains: E, F
    Engineered: YES
    Expression System: TRICHOPLUSIA NI
    Expression System Cell Line: HI-5
    Expression System Common: CABBAGE LOOPER
    Expression System Taxid: 7111
    Expression System Vector: PNT-BAC
    Expression System Vector Type: BACULOVIRUS
    Fragment: SERINE PROTEASE DOMAIN (UNP RESIDUES 450-728)
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit : CDEF
Biological Unit 1 (1x): CDEF
Biological Unit 2 (2x): CDEF

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 4IW4)

(-) Sites  (0, 0)

(no "Site" information available for 4IW4)

(-) SS Bonds  (6, 6)

Asymmetric Unit
No.Residues
1C:50 -C:87
2D:50 -D:87
3E:611 -E:630
4E:641 -E:673
5F:611 -F:630
6F:641 -F:673

(-) Cis Peptide Bonds  (20, 20)

Asymmetric Unit
No.Residues
1Ala C:104 -Gly C:105
2Ala D:86 -Cys D:87
3Pro E:439 -Gly E:440
4Val E:450 -Glu E:451
5Val E:506 -Arg E:507
6Gly E:562 -Pro E:563
7Tyr E:622 -Ser E:623
8Ser E:675 -Lys E:676
9Pro F:439 -Gly F:440
10Asp F:452 -Thr F:453
11Ala F:470 -Ser F:471
12Gly F:502 -Leu F:503
13Ser F:516 -Ala F:517
14Pro F:545 -Leu F:546
15Leu F:558 -Glu F:559
16Gly F:562 -Pro F:563
17Tyr F:622 -Ser F:623
18Gly F:674 -Ser F:675
19Lys F:676 -Gln F:677
20Gln F:677 -Val F:678

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4IW4)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4IW4)

(-) Exons   (0, 0)

(no "Exon" information available for 4IW4)

(-) 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 C from PDB  Type:PROTEIN  Length:137
                                                                                                                                                                         
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...............eeeeee......hhh.eeeeeeeeeeeee....eeeeeeeeeee......eeeeeeeeeeeeee........eeeeee.......eee......eeeeee...eeeeeeeee....ee.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4iw4 C   5 QPLEKIAPYPQAEKGMKRQVIQLTPQEDESTLKVELLIGQTLEVDCNLHRLGGKLENKTLEGWGYDYYVFDKVSSPVSTMMACPGKKEKKFVTAYLGDAGMLRYNSKLPIVVYTPDNVDVKYRVWKAEEKIDNAVVR 142
                                    14        24        34        44        54        64        74        84   ||   95       105       115       125       135       
                                                                                                              88|                                                    
                                                                                                               90                                                    


Chain D from PDB  Type:PROTEIN  Length:134
                                                                                                                                                                      
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhh.........eeeeee......hhh.eeeeeeeeeeee.....ee...eeeeee......eeeeee.....eee.......eeeee..hhhh.eee......eeeeee...eeeeeeeee....ee.ee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4iw4 D   6 PLEKIAPYPQAEKGMKRQVIQLTPQEDESTLKVELLIGQTLEVDCNLHRLGGKLENKTLEGWGYDYYVFDKVSSPVSTMMACPKEKKFVTAYLGDAGMLRYNSKLPIVVYTPDNVDVKYRVWKAEEKIDNAVVR 142
                                    15        25        35        45        55        65        75        85  ||    98       108       118       128       138    
                                                                                                             88|                                                  
                                                                                                              92                                                  


Chain E from PDB  Type:PROTEIN  Length:244
                                                                                                                                                                                                                                                                                    
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....ee........eeeeee..eeeeeee....eeeehhhhhh...........hhhh.eeee.........eeeeeeee.............eeeee........................eeeeee..........eeeeeeeehhhhhhhhhhhh.........eeee................eeeeee....eeeeeeeeeee...........eeeee...hhhhhhhhh........ Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4iw4 E 431 IIGGRNAEPGLFPWQALIVVEKWFGSGALLSASWILTAAHVLRSQRRDTTVIPVSKEHVTVYLGLHDVRAVNSSAARVVLHPDFNIQNYNHDIALVQLQEPVPLGPHVMPVCLPRLGPAPHMLGLVAGWGISNLSDVLQYVKLPVVPHAECKTSYESRSGNYSVTENMFCAGYYEGGKDTCLGDSGGAFVIFDDLSQRWVVQGLVSWGGPEECGSKQVYGVYTKVSNYVDWVWEQMGLPQSVVE 704
                                   440       450||     468       478       488       498       512       522       532       542       552     ||565       575  ||   600       610       620       630       640       650       660       670       680       690       700    
                                              451|                                            507|                                           558|             578|                                                                                                              
                                               460                                             512                                            562              594                                                                                                              


Chain F from PDB  Type:PROTEIN  Length:240
                                                                                                                                                                                                                                                                                
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..............eeeeeee....eeeeeeee....eeee.hhhhh...........hhh.eeee...........eeee.............eeee............................eeeeee.........eeeeeeeehhhhhhhhh............eeee................eeeeee....eeeeeeeeeee...........eeeee...hhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4iw4 F 431 IIGGRNAEPGLFPWQALIVVEDTSDKWFGSGALLSASWILTAAHVLRSQRRDTTVIPVSKEHVTVYLGLHDVNSSAARVVLHPDFNIQNYNHDIALVQLQEPVPLGPHVMPVCLPRLEPEGPAPHMLGLVAGWGISLSDVLQYVKLPVVPHAECKTSYESRSGNYSVTENMFCAGYYEGGKDTCLGDSGGAFVIFDDLSQRWVVQGLVSWGGPEECGSKQVYGVYTKVSNYVDWVWEQMG 697
                                   440       450   ||  464       474       484       494       504 ||    521       531       541       551       561       571     ||597       607       617       627       637       647       657       667       677       687       697
                                                 454|                                            506|                                                            577|                                                                                                       
                                                  459                                             514                                                             594
   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  (0, 0)

(no "SCOP Domain" information available for 4IW4)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4IW4)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4IW4)

(-) Gene Ontology  (24, 25)

Asymmetric Unit(hide GO term definitions)

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  Cis Peptide Bonds
    Ala C:104 - Gly C:105   [ RasMol ]  
    Ala D:86 - Cys D:87   [ RasMol ]  
    Ala F:470 - Ser F:471   [ RasMol ]  
    Asp F:452 - Thr F:453   [ RasMol ]  
    Gln F:677 - Val F:678   [ RasMol ]  
    Gly E:562 - Pro E:563   [ RasMol ]  
    Gly F:502 - Leu F:503   [ RasMol ]  
    Gly F:562 - Pro F:563   [ RasMol ]  
    Gly F:674 - Ser F:675   [ RasMol ]  
    Leu F:558 - Glu F:559   [ RasMol ]  
    Lys F:676 - Gln F:677   [ RasMol ]  
    Pro E:439 - Gly E:440   [ RasMol ]  
    Pro F:439 - Gly F:440   [ RasMol ]  
    Pro F:545 - Leu F:546   [ RasMol ]  
    Ser E:675 - Lys E:676   [ RasMol ]  
    Ser F:516 - Ala F:517   [ RasMol ]  
    Tyr E:622 - Ser E:623   [ RasMol ]  
    Tyr F:622 - Ser F:623   [ RasMol ]  
    Val E:450 - Glu E:451   [ RasMol ]  
    Val E:506 - Arg E:507   [ RasMol ]  
 
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  MASP1_HUMAN | P48740
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 Related Entries

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

UniProtKB/Swiss-Prot
        ECOT_ECOLI | P23827: 1azz 1ecy 1ecz 1ezs 1ezu 1fi8 1id5 1ifg 1n8o 1p0s 1slu 1slv 1slw 1slx 1xx9 1xxd 1xxf 4niy
        MASP1_HUMAN | P48740: 3dem 3gov 4aqb 4djz 4igd 4kkd

(-) Related Entries Specified in the PDB File

3dem N-TERMINAL CUB-EGF-CUB OF THE PROTEIN