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(-) Description

Title :  SPHERICASE
 
Authors :  O. Almog, A. Gonzalez, N. Godin
Date :  11 Jul 06  (Deposition) - 21 Aug 07  (Release) - 10 Oct 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  0.80
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Serine Protease, Subtilisin Like Protease, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  O. Almog, A. Gonzalez, N. Godin, M. De Leeuw, M. J. Mekel, D. Klein, S. Braun, G. Shoham, R. L. Walter
The Crystal Structures Of The Psychrophilic Subtilisin S41 And The Mesophilic Subtilisin Sph Reveal The Same Calcium- Loaded State.
Proteins V. 74 489 2009
PubMed-ID: 18655058  |  Reference-DOI: 10.1002/PROT.22175
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - 36KDA PROTEASE
    ChainsA, B
    FragmentRESIDUES 122-431
    Organism ScientificBACILLUS SPHAERICUS
    Organism Taxid1421

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit AB
Biological Unit 1 (1x)A 
Biological Unit 2 (1x) B

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 10)

Asymmetric Unit (1, 10)
No.NameCountTypeFull Name
1CA10Ligand/IonCALCIUM ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
Biological Unit 2 (0, 0)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION

(-) Sites  (10, 10)

Asymmetric Unit (10, 10)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREASP A:287 , ILE A:288 , ALA A:295 , GLY A:297 , ASP A:299 , HOH A:2492BINDING SITE FOR RESIDUE CA A1310
02AC2SOFTWARETHR A:214 , ASP A:217 , VAL A:219 , GLN A:221 , ASP A:224 , HOH A:2487BINDING SITE FOR RESIDUE CA A1311
03AC3SOFTWAREASN A:29 , GLU A:49 , ASP A:98 , HOH A:2075 , HOH A:2122 , HOH A:2123 , HOH A:2214 , HOH A:2264BINDING SITE FOR RESIDUE CA A1312
04AC4SOFTWAREASP A:115 , HOH A:2136 , HOH A:2140 , HOH A:2141 , HOH A:2237 , HOH A:2238 , HOH A:2243BINDING SITE FOR RESIDUE CA A1313
05AC5SOFTWAREGLY A:181 , ALA A:182 , LEU A:183 , ALA A:186 , HOH A:2401 , HOH A:2405BINDING SITE FOR RESIDUE CA A1314
06AC6SOFTWAREASP B:287 , ILE B:288 , ALA B:295 , GLY B:297 , ASP B:299 , HOH B:2499BINDING SITE FOR RESIDUE CA B1311
07AC7SOFTWARETHR B:214 , ASP B:217 , VAL B:219 , GLN B:221 , ASP B:224 , HOH B:2493BINDING SITE FOR RESIDUE CA B1312
08AC8SOFTWAREASN B:29 , GLU B:49 , ASP B:98 , HOH B:2077 , HOH B:2112 , HOH B:2118 , HOH B:2264BINDING SITE FOR RESIDUE CA B1313
09AC9SOFTWAREASP B:115 , HOH B:2127 , HOH B:2131 , HOH B:2132 , HOH B:2232 , HOH B:2236BINDING SITE FOR RESIDUE CA B1314
10BC1SOFTWAREGLY B:181 , ALA B:182 , LEU B:183 , ALA B:186 , HOH B:2408 , HOH B:2411BINDING SITE FOR RESIDUE CA B1315

(-) SS Bonds  (2, 2)

Asymmetric Unit
No.Residues
1A:51 -A:65
2B:51 -B:65

(-) Cis Peptide Bonds  (4, 4)

Asymmetric Unit
No.Residues
1Gly A:171 -Tyr A:172
2Tyr A:179 -Pro A:180
3Gly B:171 -Tyr B:172
4Tyr B:179 -Pro B:180

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2IXT)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2IXT)

(-) Exons   (0, 0)

(no "Exon" information available for 2IXT)

(-) 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:309
 aligned with Q9S3L6_LYSSH | Q9S3L6 from UniProtKB/TrEMBL  Length:431

    Alignment length:309
                                   131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421         
         Q9S3L6_LYSSH   122 RASQQIPWGIKAIYNNDTLTSTTGGSGINIAVLDTGVNTSHPDLVNNVEQCKDFTGATTPINNSCTDRNGHGTHVAGTALADGGSDQAGIYGVAPDADLWAYKVLLDSGSGYSDDIAAAIRHAADQATATGTKTIISMSLGSSANNSLISSAVNYAYSKGVLIVAAAGNSGYSQGTIGYPGALPNAIAVAALENVQQNGTYRVADYSSRGYISTAGDYVIQEGDIEISAPGSSVYSTWYNGGYNTISGTSMATPHVSGLAAKIWAENPSLSNTQLRSNLQERAKSVDIKGGYGAAIGDDYASGFGFARV 430
               SCOP domains d2ixta_ A: automated matches                                                                                                                                                                                                                                                                                          SCOP domains
               CATH domains 2ixtA00 A:1-309  [code=3.40.50.200, no name defined]                                                                                                                                                                                                                                                                  CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhh.............eeeeee.............eeeeee.......ee.......hhhhhhhhhhhh................eeeeee........hhhhhhhhhhhhhhhhhhhh..eeeee.......hhhhhhhhhhhhhh..eeeee....................eeeeeeeeeee..eeee.......................eeee...eeee.....eeee.hhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhh........................ Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2ixt A   1 RASQQIPWGIKAIYNNDTLTSTTGGSGINIAVLDTGVNTSHPDLVNNVEQCKDFTGATTPINNSCTDRNGHGTHVAGTALADGGSDQAGIYGVAPDADLWAYKVLLDSGSGYSDDIAAAIRHAADQATATGTKTIISMSLGSSANNSLISSAVNYAYSKGVLIVAAAGNSGYSQGTIGYPGALPNAIAVAALENVQQNGTYRVADYSSRGYISTAGDYVIQEGDIEISAPGSSVYSTWYNGGYNTISGTSMATPHVSGLAAKIWAENPSLSNTQLRSNLQERAKSVDIKGGYGAAIGDDYASGFGFARV 309
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300         

Chain B from PDB  Type:PROTEIN  Length:310
 aligned with Q9S3L6_LYSSH | Q9S3L6 from UniProtKB/TrEMBL  Length:431

    Alignment length:310
                                   131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431
         Q9S3L6_LYSSH   122 RASQQIPWGIKAIYNNDTLTSTTGGSGINIAVLDTGVNTSHPDLVNNVEQCKDFTGATTPINNSCTDRNGHGTHVAGTALADGGSDQAGIYGVAPDADLWAYKVLLDSGSGYSDDIAAAIRHAADQATATGTKTIISMSLGSSANNSLISSAVNYAYSKGVLIVAAAGNSGYSQGTIGYPGALPNAIAVAALENVQQNGTYRVADYSSRGYISTAGDYVIQEGDIEISAPGSSVYSTWYNGGYNTISGTSMATPHVSGLAAKIWAENPSLSNTQLRSNLQERAKSVDIKGGYGAAIGDDYASGFGFARVQ 431
               SCOP domains d2ixtb_ B: automated matches                                                                                                                                                                                                                                                                                           SCOP domains
               CATH domains 2ixtB00 B:1-310  [code=3.40.50.200, no name defined]                                                                                                                                                                                                                                                                   CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhh.............eeeeee.........hhh.eeeeee.......ee.......hhhhhhhhhhhh................eeeeee........hhhhhhhhhhhhhhhhhhhh..eeeee.......hhhhhhhhhhhhhh..eeeee....................eeeeeeeeeee..eeee.......................eeee...eeee.....eeee.hhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhh......................... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2ixt B   1 RASQQIPWGIKAIYNNDTLTSTTGGSGINIAVLDTGVNTSHPDLVNNVEQCKDFTGATTPINNSCTDRNGHGTHVAGTALADGGSDQAGIYGVAPDADLWAYKVLLDSGSGYSDDIAAAIRHAADQATATGTKTIISMSLGSSANNSLISSAVNYAYSKGVLIVAAAGNSGYSQGTIGYPGALPNAIAVAALENVQQNGTYRVADYSSRGYISTAGDYVIQEGDIEISAPGSSVYSTWYNGGYNTISGTSMATPHVSGLAAKIWAENPSLSNTQLRSNLQERAKSVDIKGGYGAAIGDDYASGFGFARVQ 310
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310

   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  (1, 2)

Asymmetric Unit

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2IXT)

(-) Gene Ontology  (6, 6)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (Q9S3L6_LYSSH | Q9S3L6)
molecular function
    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:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    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: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:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.

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 Related Entries

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

UniProtKB/TrEMBL
        Q9S3L6_LYSSH | Q9S3L61ea7 3d43

(-) Related Entries Specified in the PDB File

1ea7 SPHERICASE