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(-) Description

Title :  CRYSTAL STRUCTURE OF THE ZYMOGEN CATALYTIC REGION OF HUMAN MASP-1
 
Authors :  V. Harmat, M. Megyeri, A. Vegh, J. Dobo
Date :  17 Dec 12  (Deposition) - 13 Feb 13  (Release) - 10 Jul 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.50
Chains :  Asym./Biol. Unit :  A
Keywords :  Complement, Immune Response, Innate Immunity, Beta Barrel, Hydrolase, Serine Protease, Glycosylation (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Megyeri, V. Harmat, B. Major, A. Vegh, J. Balczer, D. Heja, K. Szilagyi, D. Datz, G. Pal, P. Zavodszky, P. Gal, J. Dobo
Quantitative Characterization Of The Activation Steps Of Mannan-Binding Lectin (Mbl)-Associated Serine Proteases (Masps) Points To The Central Role Of Masp-1 In The Initiation Of The Complement Lectin Pathway
J. Biol. Chem. V. 288 8922 2013
PubMed-ID: 23386610  |  Reference-DOI: 10.1074/JBC.M112.446500

(-) Compounds

Molecule 1 - MANNAN-BINDING LECTIN SERINE PROTEASE 1
    Chains: A
    EC Number: 3.4.21.-
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET-17B
    Expression System Strain: BL-21
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: CCP1-CCP2-SP FRAGMENT, RESIDUES 298-699
    Gene: MASP1
    Mutation: YES
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: COMPLEMENT FACTOR MASP-3, COMPLEMENT-ACTIVATING COMPONENT OF RA-REACTIVE FACTOR, MANNOSE-BINDING LECTIN-ASSOCIATED SERINE PROTEASE 1, MASP-1, MANNOSE-BINDING PROTEIN-ASSOCIATED SERINE PROTEASE, RA- REACTIVE FACTOR SERINE PROTEASE P100, RARF, SERINE PROTEASE 5

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1GOL2Ligand/IonGLYCEROL

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:468 , PHE A:474 , HOH A:873 , HOH A:874BINDING SITE FOR RESIDUE GOL A 701
2AC2SOFTWARELYS A:623 , TRP A:668 , LYS A:674 , HOH A:857BINDING SITE FOR RESIDUE GOL A 702

(-) SS Bonds  (8, 8)

Asymmetric/Biological Unit
No.Residues
1A:301 -A:349
2A:329 -A:362
3A:367 -A:414
4A:397 -A:432
5A:436 -A:572
6A:475 -A:491
7A:614 -A:631
8A:642 -A:672

(-) Cis Peptide Bonds  (4, 4)

Asymmetric/Biological Unit
No.Residues
1Gly A:298 -Asn A:299
2Glu A:313 -Pro A:314
3Glu A:399 -Pro A:400
4Arg A:655 -Glu A:656

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 4IGD)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
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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:397
                                                                                                                                                                                                                                                                                                                                                                                                                                             
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..ee........eeee.....ee...eeeeee...eeeee..eee.eeeee............eeee...........eeeee...........eeeeee....eee.hhh..eeee.....eee.........eee.............ee........eeeeee....eeeeeeee...eeeehhhhh.....................eeeee............eeeeeeeeee.............eeeee........................eeeeee.............eeeeeeeehhhhhhhhhhhhh......eeee................eeeeee....eeeeeeee....hhhhhh..eeeee...hhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4igd A 298 GNECPELQPPVHGKIEPSQAKYFFKDQVLVSCDTGYKVLKDNVEMDTFQIECLKDGTWSNKIPTCKIVDCRAPGELEHGLITFSTRNNLTTYKSEIKYSCQEPYYKMLNNNTGIYTCSAQGVWMNKVLGRSLPTCLPVCGLPKFSRKLNGRPAQKGTTPWIAMLSHLNGQPFCGGSLLGSSWIVTAAHCLHQSLDPEDPTLRDSDLLSPSDFKIILGKHWRLRSDENEQHLGVKHTTLHPQYDPNTFENDVALVELLESPVLNAFVMPICLPEGPQQEGAMVIVSGWGKQFLQRFPETLMEIEIPIVDHSTCQKAYAPLKKKVTRDMICAGEKEGGKDACAGDSGGPMVTLNRERGQWYLVGTVSWGDDCGKKDRYGVYSYIHHNKDWIQRVTGVRN 699
                                   307       317       327       337       347       357       367       377       387       397       407       417       427       437       452       462       472       482       492       502       512       522       532       542       552       562       572       582       592       602       612       622       632       642       652       662       672       682       692       
                                                                                                                                                                             445|                                                                                                                                                                                                                                                        
                                                                                                                                                                              451
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  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 4IGD)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (18, 18)

Asymmetric/Biological Unit(hide GO term definitions)

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  Cis Peptide Bonds
    Arg A:655 - Glu A:656   [ RasMol ]  
    Glu A:313 - Pro A:314   [ RasMol ]  
    Glu A:399 - Pro A:400   [ RasMol ]  
    Gly A:298 - Asn A:299   [ RasMol ]  
 

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 Related Entries

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        MASP1_HUMAN | P48740: 3dem 3gov 4aqb 4djz 4iw4 4kkd

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