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(-) Description

Title :  NATIVE CARDOSIN A FROM CYNARA CARDUNCULUS L.
 
Authors :  C. Frazao, I. Bento, M. A. Carrondo
Date :  06 Jan 99  (Deposition) - 13 Jan 99  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.72
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,B,C,D  (1x)
Biol. Unit 2:  A,B  (1x)
Biol. Unit 3:  C,D  (1x)
Keywords :  Hydrolase, Aspartic Proteinase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. Frazao, I. Bento, J. Costa, C. M. Soares, P. Verissimo, C. Faro, E. Pires, J. Cooper, M. A. Carrondo
Crystal Structure Of Cardosin A, A Glycosylated And Arg-Gly-Asp-Containing Aspartic Proteinase From The Flowers Of Cynara Cardunculus L.
J. Biol. Chem. V. 274 27694 1999
PubMed-ID: 10488111  |  Reference-DOI: 10.1074/JBC.274.39.27694
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PROTEIN (CARDOSIN A)
    Chains: A, C
    EC Number: 3.4.23.-
    Organ: FLOWER;PISTIL
    Organelle: STORAGE VACUOLES
    Organism Scientific: CYNARA CARDUNCULUS
    Organism Taxid: 4265
    Other Details: RESIDUE NAMES ACCORDING TO PEPSIN NUMBERING AFTER A.R.SIELECKI, A.A.FEDOROV, A.BOODHOO, N.S.ANDREEVA, AND M.N.G.JAMES (1990).J.MOL.BIOL. 214, 143-170. NATIVE CARDOSIN A SEQUENCE DIFFERS FROM THAT DEDUCED FROM CDNA THROUGH EXCISION OF THE PSI DOMAIN. MATURE CARDOSIN A IS FOUND IN A TWO CHAIN FORM DUE TO A POST- TRANSLATIONAL CLEAVAGE EVENT. A FIRST, 35 KD CHAIN COMPRISES RESIDUES 0/1 - 238 AND THE SECOND 15 KD CHAIN COMPRISES RESIDUES 243 - 326. THE ASYMMETRIC UNIT CONTAINS TWO CARDOSIN A MOLECULES. MOLECULE 1 HAS BEEN ASSIGNED CHAIN INDICATORS *A* AND *B*, AND MOLECULE 2 HAVE BEEN ASSIGNED CHAIN INDICATORS *C* AND *D*. MOLECULE 1 COMPOSED BY CHAINS A(0-238) AND B (243-326). MOLECULE 2 COMPOSED BY CHAINS C(1-238) AND D (243-326). N-LINKED CARBOHYDRATES (RESIDUES 401-405 A AND 401-406 C) ATTACHED TO ASN 67. N-LINKED CARBOHYDRATES (RESIDUES 501-504 B AND 501-504 D) ATTACHED TO ASN 257.
    Tissue: PAPILLAR EPIDERMIS OF THE STIGMA
 
Molecule 2 - PROTEIN (CARDOSIN A)
    Chains: B, D
    EC Number: 3.4.23.-
    Organ: FLOWER;PISTIL
    Organelle: STORAGE VACUOLES
    Organism Scientific: CYNARA CARDUNCULUS
    Organism Taxid: 4265
    Other Details: RESIDUE NAMES ACCORDING TO PEPSIN NUMBERING AFTER A.R.SIELECKI, A.A.FEDOROV, A.BOODHOO, N.S.ANDREEVA, AND M.N.G.JAMES (1990).J.MOL.BIOL. 214, 143-170. NATIVE CARDOSIN A SEQUENCE DIFFERS FROM THAT DEDUCED FROM CDNA THROUGH EXCISION OF THE PSI DOMAIN. MATURE CARDOSIN A IS FOUND IN A TWO CHAIN FORM DUE TO A POST- TRANSLATIONAL CLEAVAGE EVENT. A FIRST, 35 KD CHAIN COMPRISES RESIDUES 0/1 - 238 AND THE SECOND 15 KD CHAIN COMPRISES RESIDUES 243 - 326. THE ASYMMETRIC UNIT CONTAINS TWO CARDOSIN A MOLECULES. MOLECULE 1 HAS BEEN ASSIGNED CHAIN INDICATORS *A* AND *B*, AND MOLECULE 2 HAVE BEEN ASSIGNED CHAIN INDICATORS *C* AND *D*. MOLECULE 1 COMPOSED BY CHAINS A(0-238) AND B (243-326). MOLECULE 2 COMPOSED BY CHAINS C(1-238) AND D (243-326). N-LINKED CARBOHYDRATES (RESIDUES 401-405 A AND 401-406 C) ATTACHED TO ASN 67. N-LINKED CARBOHYDRATES (RESIDUES 501-504 B AND 501-504 D) ATTACHED TO ASN 257.
    Tissue: PAPILLAR EPIDERMIS OF THE STIGMA

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit : ABCD
Biological Unit 1 (1x): ABCD
Biological Unit 2 (1x): AB  
Biological Unit 3 (1x):   CD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 19)

Asymmetric Unit (4, 19)
No.NameCountTypeFull Name
1BMA3Ligand/IonBETA-D-MANNOSE
2FUC4Ligand/IonALPHA-L-FUCOSE
3MAN4Ligand/IonALPHA-D-MANNOSE
4NAG8Ligand/IonN-ACETYL-D-GLUCOSAMINE
Biological Unit 1 (4, 19)
No.NameCountTypeFull Name
1BMA3Ligand/IonBETA-D-MANNOSE
2FUC4Ligand/IonALPHA-L-FUCOSE
3MAN4Ligand/IonALPHA-D-MANNOSE
4NAG8Ligand/IonN-ACETYL-D-GLUCOSAMINE
Biological Unit 2 (4, 9)
No.NameCountTypeFull Name
1BMA2Ligand/IonBETA-D-MANNOSE
2FUC2Ligand/IonALPHA-L-FUCOSE
3MAN1Ligand/IonALPHA-D-MANNOSE
4NAG4Ligand/IonN-ACETYL-D-GLUCOSAMINE
Biological Unit 3 (4, 10)
No.NameCountTypeFull Name
1BMA1Ligand/IonBETA-D-MANNOSE
2FUC2Ligand/IonALPHA-L-FUCOSE
3MAN3Ligand/IonALPHA-D-MANNOSE
4NAG4Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (25, 25)

Asymmetric Unit (25, 25)
No.NameEvidenceResiduesDescription
011AUTHORASP A:32 , ASP A:215ASPARTIC PROTEINASE CATALYTIC SITE WATER 1014 ASSOCIATED TO CHAIN A CATALYTIC SITE WATER 1035 ASSOCIATED TO CHAIN C CATALYTIC SITE
022AUTHORASN A:67N-GLYCOSYLATION SITE ON CHAIN A, ASN67: (A1->3)- MAN405 | ASN67-NAG401-(B1->4)-NAG403-(B1->4)-MAN404 | (A1->3) FUC402
033AUTHORASN B:257N-GLYCOSYLATION SITE ON CHAIN B, ASN257: ASN257- NAG501-(B1->4)-NAG503-(B1->4)-MAN504 | (A1->3)-FUC502
044AUTHORASP C:32 , ASP C:215N-GLYCOSYLATION SITE ON CHAIN C, ASN67: (A1->3)- MAN405 | ASN67-NAG401-(B1->4)-NAG403-(B1->4)-MAN404 | | (A1->3)- FUC402 (A1->6)-MAN406
055AUTHORASN C:67N-GLYCOSYLATION SITE ON CHAIN D, ASN257: ASN257- NAG501-(B1->4)-NAG503-(B1->4)-MAN504 | (A1->3)-FUC502
066AUTHORASN D:257NULL
07AC1SOFTWAREASN A:67 , ASP A:100 , ILE A:132 , SER A:133 , FUC A:402 , NAG A:403BINDING SITE FOR RESIDUE NAG A 401
08AC2SOFTWARENAG A:401 , NAG A:403BINDING SITE FOR RESIDUE FUC A 402
09AC3SOFTWAREGLN A:126 , ILE A:132 , NAG A:401 , FUC A:402 , BMA A:404 , HOH A:1080BINDING SITE FOR RESIDUE NAG A 403
10AC4SOFTWAREGLN A:126 , NAG A:403 , MAN A:405 , HOH A:1066 , HOH A:1427BINDING SITE FOR RESIDUE BMA A 404
11AC5SOFTWAREBMA A:404 , HOH A:1066 , HOH A:1339BINDING SITE FOR RESIDUE MAN A 405
12AC6SOFTWAREASN B:257 , THR B:270 , FUC B:502 , NAG B:503 , HOH B:1106 , HOH B:1166 , HOH B:1502BINDING SITE FOR RESIDUE NAG B 501
13AC7SOFTWARENAG B:501 , FUC D:502BINDING SITE FOR RESIDUE FUC B 502
14AC8SOFTWARENAG B:501 , BMA B:504 , HOH B:1517BINDING SITE FOR RESIDUE NAG B 503
15AC9SOFTWARENAG B:503BINDING SITE FOR RESIDUE BMA B 504
16BC1SOFTWAREASN C:67 , THR C:69 , ASP C:100 , SER C:133 , FUC C:402 , NAG C:403 , HOH C:1366BINDING SITE FOR RESIDUE NAG C 401
17BC2SOFTWARENAG C:401 , NAG C:403BINDING SITE FOR RESIDUE FUC C 402
18BC3SOFTWAREILE C:132 , VAL C:134 , NAG C:401 , FUC C:402 , BMA C:404 , HOH C:1151BINDING SITE FOR RESIDUE NAG C 403
19BC4SOFTWAREGLN C:126 , NAG C:403 , MAN C:405 , MAN C:406 , HOH C:1081BINDING SITE FOR RESIDUE BMA C 404
20BC5SOFTWARELEU C:141 , ASN C:142 , GLY C:144 , BMA C:404 , HOH C:1081 , HOH C:1093 , HOH C:1148 , HOH C:1188 , HOH C:1214 , HOH C:1365BINDING SITE FOR RESIDUE MAN C 405
21BC6SOFTWARELYS C:147 , BMA C:404 , HOH C:1364BINDING SITE FOR RESIDUE MAN C 406
22BC7SOFTWAREASN D:257 , FUC D:502 , NAG D:503 , HOH D:1332BINDING SITE FOR RESIDUE NAG D 501
23BC8SOFTWAREFUC B:502 , NAG D:501 , NAG D:503BINDING SITE FOR RESIDUE FUC D 502
24BC9SOFTWARENAG D:501 , FUC D:502 , MAN D:504BINDING SITE FOR RESIDUE NAG D 503
25CC1SOFTWARENAG D:503BINDING SITE FOR RESIDUE MAN D 504

(-) SS Bonds  (6, 6)

Asymmetric Unit
No.Residues
1A:45 -A:50
2A:206 -A:210
3B:249 -B:282
4C:45 -C:50
5C:206 -C:210
6D:249 -D:282

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Thr A:22 -Pro A:23
2Thr C:22 -Pro C:23

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1B5F)

(-) PROSITE Motifs  (2, 4)

Asymmetric Unit (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PEPTIDASE_A1PS51767 Peptidase family A1 domain profile.CARDA_CYNCA85-501
 		  2A:14-238
C:14-238
2ASP_PROTEASEPS00141 Eukaryotic and viral aspartyl proteases active site.CARDA_CYNCA100-111
 		  2A:29-40
C:29-40
Biological Unit 1 (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PEPTIDASE_A1PS51767 Peptidase family A1 domain profile.CARDA_CYNCA85-501
 		  2A:14-238
C:14-238
2ASP_PROTEASEPS00141 Eukaryotic and viral aspartyl proteases active site.CARDA_CYNCA100-111
 		  2A:29-40
C:29-40
Biological Unit 2 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PEPTIDASE_A1PS51767 Peptidase family A1 domain profile.CARDA_CYNCA85-501
 		  1A:14-238
-
2ASP_PROTEASEPS00141 Eukaryotic and viral aspartyl proteases active site.CARDA_CYNCA100-111
 		  1A:29-40
-
Biological Unit 3 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PEPTIDASE_A1PS51767 Peptidase family A1 domain profile.CARDA_CYNCA85-501
 		  1-
C:14-238
2ASP_PROTEASEPS00141 Eukaryotic and viral aspartyl proteases active site.CARDA_CYNCA100-111
 		  1-
C:29-40

(-) Exons   (0, 0)

(no "Exon" information available for 1B5F)

(-) 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:239
 aligned with CARDA_CYNCA | Q9XFX3 from UniProtKB/Swiss-Prot  Length:504

    Alignment length:239
                                    80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300         
         CARDA_CYNCA     71 GSAVVALTNDRDTSYFGEIGIGTPPQKFTVIFDTGSSVLWVPSSKCINSKACRAHSMYESSDSSTYKENGTFGAIIYGTGSITGFFSQDSVTIGDLVVKEQDFIEATDEADNVFLHRLFDGILGLSFQTISVPVWYNMLNQGLVKERRFSFWLNRNVDEEEGGELVFGGLDPNHFRGDHTYVPVTYQYYWQFGIGDVLIGDKSTGFCAPGCQAFADSGTSLLSGPTAIVTQINHAIGAN  309
               SCOP domains d1b5f.1 A:,B: Plant acid proteinase, phytepsin                                                                                                                                                                                                  SCOP domains
               CATH domains 1b5fA00 A:0-238 Acid Proteases                                                                                                                                                                                                                  CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeee...eeeeeeee....eeeeeeee......eee.......hhhh......hhh.........eeeee....eeeeeeeee.eee..eee..eeeeeeeee.hhhh......eeee.........hhhhhhh........eeeee.........eeeee....hhh................eeee................eeee...........hhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) --------------PEPTIDASE_A1  PDB: A:14-238 UniProt: 85-501                                                                                                                                                                                       PROSITE (1)
                PROSITE (2) -----------------------------ASP_PROTEASE------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                1b5f A    0 GSAVVALTNDRDTSYFGEIGIGTPPQKFTVIFDTGSSVLWVPSSKCINSKACRAHSMYESSDSSTYKENGTFGAIIYGTGSITGFFSQDSVTIGDLVVKEQDFIEATDEADNVFLHRLFDGILGLSFQTISVPVWYNMLNQGLVKERRFSFWLNRNVDEEEGGELVFGGLDPNHFRGDHTYVPVTYQYYWQFGIGDVLIGDKSTGFCAPGCQAFADSGTSLLSGPTAIVTQINHAIGAN  238
                                     9        19        29        39       |48        58        68        78        88        98       108       118       132       142       152      160B       170       180       190       200    |  209       219       229         
                                                                         46A                                                                             126||                         160A|                                         204A                                  
                                                                                                                                                          128|                          160B                                                                               
                                                                                                                                                           132                                                                                                             


Chain B from PDB  Type:PROTEIN  Length:87
 aligned with CARDA_CYNCA | Q9XFX3 from UniProtKB/Swiss-Prot  Length:504

    Alignment length:87
                                   427       437       447       457       467       477       487       497       
         CARDA_CYNCA    418 EELQVDCNTLSSMPNVSFTIGGKKFGLTPEQYILKVGKGEATQCISGFTAMDATLLGPLWILGDVFMRPYHTVFDYGNLLVGFAEAA  504
               SCOP domains d1b5f.1 A:,B: Plant acid proteinase, phytepsin                                          SCOP domains
               CATH domains 1b5fB00 B:243-326 Acid Proteases                                                        CATH domains
               Pfam domains --------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhh...eeeee..eeeee.hhhheeee......eeee.................hhhhhheeeeee....eeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) PEPTIDASE_A1  PDB: - UniProt: 85-501                                                --- PROSITE (1)
                PROSITE (2) --------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript --------------------------------------------------------------------------------------- Transcript
                1b5f B  243 EELQVDCNTLSSMPNVSFTIGGKKFGLTPEQYILKVGKGEATQCISGFTAMDATLLGPLWILGDVFMRPYHTVFDYGNLLVGFAEAA  326
                                   252       262       272      |280||     288    || 299       309       319       
                                                             278A|  ||          293|                               
                                                              278B  ||           295                               
                                                                 280A|                                             
                                                                  280B                                             


Chain C from PDB  Type:PROTEIN  Length:238
 aligned with CARDA_CYNCA | Q9XFX3 from UniProtKB/Swiss-Prot  Length:504

    Alignment length:238
                                    81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301        
         CARDA_CYNCA     72 SAVVALTNDRDTSYFGEIGIGTPPQKFTVIFDTGSSVLWVPSSKCINSKACRAHSMYESSDSSTYKENGTFGAIIYGTGSITGFFSQDSVTIGDLVVKEQDFIEATDEADNVFLHRLFDGILGLSFQTISVPVWYNMLNQGLVKERRFSFWLNRNVDEEEGGELVFGGLDPNHFRGDHTYVPVTYQYYWQFGIGDVLIGDKSTGFCAPGCQAFADSGTSLLSGPTAIVTQINHAIGAN  309
               SCOP domains d1b5f.2 C:,D: Plant acid proteinase, phytepsin                                                                                                                                                                                                 SCOP domains
               CATH domains 1b5fC00 C:1-238 Acid Proteases                                                                                                                                                                                                                 CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeeee...eeeeeeee....eeeeeeee......eee.......hhhh......hhh.........eeeee....eeeeeeeee.eee..eee..eeeeeeeee.hhhh......eeee.........hhhhhhh........eeeee.........eeeee....hhh................eeee................eeee...........hhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -------------PEPTIDASE_A1  PDB: C:14-238 UniProt: 85-501                                                                                                                                                                                       PROSITE (1)
                PROSITE (2) ----------------------------ASP_PROTEASE------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (2)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                1b5f C    1 SAVVALTNDRDTSYFGEIGIGTPPQKFTVIFDTGSSVLWVPSSKCINSKACRAHSMYESSDSSTYKENGTFGAIIYGTGSITGFFSQDSVTIGDLVVKEQDFIEATDEADNVFLHRLFDGILGLSFQTISVPVWYNMLNQGLVKERRFSFWLNRNVDEEEGGELVFGGLDPNHFRGDHTYVPVTYQYYWQFGIGDVLIGDKSTGFCAPGCQAFADSGTSLLSGPTAIVTQINHAIGAN  238
                                    10        20        30        40      | 49        59        69        79        89        99       109       119      |133       143       153       161       171       181       191       201   |   210       220       230        
                                                                        46A                                                                             126||                         160A|                                         204A                                  
                                                                                                                                                         128|                          160B                                                                               
                                                                                                                                                          132                                                                                                             


Chain D from PDB  Type:PROTEIN  Length:87
 aligned with CARDA_CYNCA | Q9XFX3 from UniProtKB/Swiss-Prot  Length:504

    Alignment length:87
                                   427       437       447       457       467       477       487       497       
         CARDA_CYNCA    418 EELQVDCNTLSSMPNVSFTIGGKKFGLTPEQYILKVGKGEATQCISGFTAMDATLLGPLWILGDVFMRPYHTVFDYGNLLVGFAEAA  504
               SCOP domains d1b5f.2 C:,D: Plant acid proteinase, phytepsin                                          SCOP domains
               CATH domains 1b5fD00 D:243-326 Acid Proteases                                                        CATH domains
               Pfam domains --------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhh...eeeee..eeeee.hhhheeee......eeee.................hhhhhheeeeee....eeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) PEPTIDASE_A1  PDB: - UniProt: 85-501                                                --- PROSITE (1)
                PROSITE (2) --------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript --------------------------------------------------------------------------------------- Transcript
                1b5f D  243 EELQVDCNTLSSMPNVSFTIGGKKFGLTPEQYILKVGKGEATQCISGFTAMDATLLGPLWILGDVFMRPYHTVFDYGNLLVGFAEAA  326
                                   252       262       272      |280||     288    || 299       309       319       
                                                             278A|  ||          293|                               
                                                              278B  ||           295                               
                                                                 280A|                                             
                                                                  280B
   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
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 4)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1B5F)

(-) Gene Ontology  (14, 14)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D   (CARDA_CYNCA | Q9XFX3)
molecular function
    GO:0004190    aspartic-type endopeptidase activity    Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which a water molecule bound by the side chains of aspartic residues at the active center acts as a nucleophile.
    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.
biological process
    GO:0006629    lipid metabolic process    The chemical reactions and pathways involving lipids, compounds soluble in an organic solvent but not, or sparingly, in an aqueous solvent. Includes fatty acids; neutral fats, other fatty-acid esters, and soaps; long-chain (fatty) alcohols and waxes; sphingoids and other long-chain bases; glycolipids, phospholipids and sphingolipids; and carotenes, polyprenols, sterols, terpenes and other isoprenoids.
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
cellular component
    GO:0005618    cell wall    The rigid or semi-rigid envelope lying outside the cell membrane of plant, fungal, most prokaryotic cells and some protozoan parasites, maintaining their shape and protecting them from osmotic lysis. In plants it is made of cellulose and, often, lignin; in fungi it is composed largely of polysaccharides; in bacteria it is composed of peptidoglycan; in protozoan parasites such as Giardia species, it's made of carbohydrates and proteins.
    GO:0005783    endoplasmic reticulum    The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
    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:0043231    intracellular membrane-bounded organelle    Organized structure of distinctive morphology and function, bounded by a single or double lipid bilayer membrane and occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, and vesicles. Excludes the plasma membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0031090    organelle membrane    A membrane that is one of the two lipid bilayers of an organelle envelope or the outermost membrane of single membrane bound organelle.
    GO:0000326    protein storage vacuole    A storage vacuole that contains a lytic vacuole; identified in plants.
    GO:0005578    proteinaceous extracellular matrix    A layer consisting mainly of proteins (especially collagen) and glycosaminoglycans (mostly as proteoglycans) that forms a sheet underlying or overlying cells such as endothelial and epithelial cells. The proteins are secreted by cells in the vicinity. An example of this component is found in Mus musculus.
    GO:0005773    vacuole    A closed structure, found only in eukaryotic cells, that is completely surrounded by unit membrane and contains liquid material. Cells contain one or several vacuoles, that may have different functions from each other. Vacuoles have a diverse array of functions. They can act as a storage organelle for nutrients or waste products, as a degradative compartment, as a cost-effective way of increasing cell size, and as a homeostatic regulator controlling both turgor pressure and pH of the cytosol.

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