1L4Z - JenaLib

Asymmetric Unit (Jmol Viewer)

Asym. Unit - sites (Jmol Viewer)

Biological Unit 1 (Jmol Viewer)

Biol. Unit 1 - sites (Jmol Viewer)

Biological Unit 2 (Jmol Viewer)

Title :   X-RAY CRYSTAL STRUCTURE OF THE COMPLEX OF MICROPLASMINOGEN WITH ALPHA DOMAIN OF STREPTOKINASE IN THE PRESENCE CADMIUM IONS

Authors :   N. Wakeham, S. Terzyan, P. Zhai, J. A. Loy, J. Tang, X. C. Zhang

Date :   06 Mar 02 (Deposition) - 11 Dec 02 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.80

Chains :   Asym. Unit : A,B
Biol. Unit 1: A,B  (1x)
Biol. Unit 2: A,B  (2x)

Keywords :   Plasminogen, Streptokinase, Protein Complex, Crystal Structure, Hydrolase/Blood Clotting Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   N. Wakeham, S. Terzyan, P. Zhai, J. A. Loy, J. Tang, X. C. Zhang
Effects Of Deletion Of Streptokinase Residues 48-59 On Plasminogen Activation.
Protein Eng. V. 15 753 2002
PubMed-ID: 12456874 | Reference-DOI: 10.1093/PROTEIN/15.9.753
(for further references see the PDB file header)

Molecule 1 - PLASMINOGEN
	Chains	:	A
	EC Number	:	3.4.21.7
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Strain	:	BL12
	Expression System Taxid	:	562
	Expression System Vector	:	PET11
	Expression System Vector Type	:	PLASMID
	Fragment	:	CATALYTIC DOMAIN, RESIDUES 544-791
	Mutation	:	YES
	Organism Common	:	HUMAN
	Organism Scientific	:	HOMO SAPIENS
	Organism Taxid	:	9606

Molecule 2 - STREPTOKINASE
	Chains	:	B
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI BL21
	Expression System Strain	:	BL21
	Expression System Taxid	:	511693
	Expression System Vector	:	PET11
	Expression System Vector Type	:	PLASMID
	Fragment	:	N TERMINAL ALPHA DOMAIN, RESIDUES 0-147
	Mutation	:	YES
	Organism Scientific	:	STREPTOCOCCUS DYSGALACTIAE SUBSP. EQUISIMILIS
	Organism Taxid	:	119602
	Strain	:	SUBSP. EQUISIMILIS

		1	2
Asymmetric Unit	:	A	B
Biological Unit 1 (1x)	:	A	B
Biological Unit 2 (2x)	:	A	B

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (1, 6)

No.	Name	Count	Type	Full Name
1	CD	6	Ligand/Ion	CADMIUM ION

Biological Unit 1 (0, 0)

No.	Name	Count	Type	Full Name
1	CD	-1	Ligand/Ion	CADMIUM ION

Biological Unit 2 (0, 0)

No.	Name	Count	Type	Full Name
1	CD	-1	Ligand/Ion	CADMIUM ION

Asymmetric Unit (6, 6)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ASP B:32 , HIS B:140 , HOH B:203 , HOH B:204 , HOH B:205	BINDING SITE FOR RESIDUE CD B 201
2	AC2	SOFTWARE	SER B:21	BINDING SITE FOR RESIDUE CD B 202
3	AC3	SOFTWARE	HOH A:68 , HIS A:569	BINDING SITE FOR RESIDUE CD A 103
4	AC4	SOFTWARE	HOH A:50 , HOH A:60 , HIS A:571 , GLU A:627	BINDING SITE FOR RESIDUE CD A 104
5	AC5	SOFTWARE	HOH A:2 , HOH A:6 , CD A:106 , HIS A:603 , GLU A:606 , ASP A:646	BINDING SITE FOR RESIDUE CD A 105
6	AC6	SOFTWARE	CD A:105 , HIS A:603 , GLU A:606 , GLU A:724	BINDING SITE FOR RESIDUE CD A 106

Asymmetric Unit

No.	Residues
1	A:548	-	A:666
2	A:558	-	A:566
3	A:588	-	A:604
4	A:680	-	A:747
5	A:710	-	A:726
6	A:737	-	A:765

Asymmetric Unit

No.	Residues
1	Gln B:130	-	Pro B:131

Asymmetric Unit (4, 4)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_006628	S	591	P	PLMN_HUMAN	Disease (PLGD)	121918029	A	S	572	P
2	UniProt	VAR_006629	A	620	T	PLMN_HUMAN	Disease (PLGD)	121918027	A	A	601	T
3	UniProt	VAR_031213	V	676	D	PLMN_HUMAN	Polymorphism	17857492	A	V	657	D
4	UniProt	VAR_006630	G	751	R	PLMN_HUMAN	Disease (PLGD)	121918033	A	G	732	R

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

Biological Unit 1 (4, 4)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_006628	S	591	P	PLMN_HUMAN	Disease (PLGD)	121918029	A	S	572	P
2	UniProt	VAR_006629	A	620	T	PLMN_HUMAN	Disease (PLGD)	121918027	A	A	601	T
3	UniProt	VAR_031213	V	676	D	PLMN_HUMAN	Polymorphism	17857492	A	V	657	D
4	UniProt	VAR_006630	G	751	R	PLMN_HUMAN	Disease (PLGD)	121918033	A	G	732	R

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

Biological Unit 2 (4, 8)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_006628	S	591	P	PLMN_HUMAN	Disease (PLGD)	121918029	A	S	572	P
2	UniProt	VAR_006629	A	620	T	PLMN_HUMAN	Disease (PLGD)	121918027	A	A	601	T
3	UniProt	VAR_031213	V	676	D	PLMN_HUMAN	Polymorphism	17857492	A	V	657	D
4	UniProt	VAR_006630	G	751	R	PLMN_HUMAN	Disease (PLGD)	121918033	A	G	732	R

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

Asymmetric Unit (3, 3)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	TRYPSIN_DOM	PS50240	Serine proteases, trypsin domain profile.	PLMN_HUMAN	581-808	1	A:562-789
2	TRYPSIN_HIS	PS00134	Serine proteases, trypsin family, histidine active site.	PLMN_HUMAN	618-623	1	A:599-604
3	TRYPSIN_SER	PS00135	Serine proteases, trypsin family, serine active site.	PLMN_HUMAN	754-765	1	A:735-746

Biological Unit 1 (3, 3)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	TRYPSIN_DOM	PS50240	Serine proteases, trypsin domain profile.	PLMN_HUMAN	581-808	1	A:562-789
2	TRYPSIN_HIS	PS00134	Serine proteases, trypsin family, histidine active site.	PLMN_HUMAN	618-623	1	A:599-604
3	TRYPSIN_SER	PS00135	Serine proteases, trypsin family, serine active site.	PLMN_HUMAN	754-765	1	A:735-746

Biological Unit 2 (3, 6)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	TRYPSIN_DOM	PS50240	Serine proteases, trypsin domain profile.	PLMN_HUMAN	581-808	2	A:562-789
2	TRYPSIN_HIS	PS00134	Serine proteases, trypsin family, histidine active site.	PLMN_HUMAN	618-623	2	A:599-604
3	TRYPSIN_SER	PS00135	Serine proteases, trypsin family, serine active site.	PLMN_HUMAN	754-765	2	A:735-746

Asymmetric Unit (6, 6)

	ENSEMBL					UniProtKB			PDB
No.	Transcript ID	Exon	Exon ID	Genome Location	Length	ID	Location	Length	Count	Location	Length
1.1b	ENST00000308192	1b	ENSE00001900502	chr6:161123274-161123385	112	PLMN_HUMAN	1-17	17	0	-	-
1.2d	ENST00000308192	2d	ENSE00002186994	chr6:161127439-161127574	136	PLMN_HUMAN	17-62	46	0	-	-
1.3a	ENST00000308192	3a	ENSE00002162767	chr6:161128732-161128838	107	PLMN_HUMAN	62-98	37	0	-	-
1.4a	ENST00000308192	4a	ENSE00002147931	chr6:161132109-161132223	115	PLMN_HUMAN	98-136	39	0	-	-
1.5b	ENST00000308192	5b	ENSE00002160428	chr6:161134018-161134157	140	PLMN_HUMAN	136-183	48	0	-	-
1.6	ENST00000308192	6	ENSE00002153394	chr6:161135826-161135946	121	PLMN_HUMAN	183-223	41	0	-	-
1.7	ENST00000308192	7	ENSE00002185478	chr6:161137677-161137795	119	PLMN_HUMAN	223-263	41	0	-	-
1.8	ENST00000308192	8	ENSE00002162125	chr6:161139326-161139488	163	PLMN_HUMAN	263-317	55	0	-	-
1.9	ENST00000308192	9	ENSE00002174772	chr6:161139725-161139870	146	PLMN_HUMAN	317-366	50	0	-	-
1.10	ENST00000308192	10	ENSE00002171287	chr6:161143440-161143599	160	PLMN_HUMAN	366-419	54	0	-	-
1.11c	ENST00000308192	11c	ENSE00002163078	chr6:161152083-161152264	182	PLMN_HUMAN	419-480	62	0	-	-
1.12b	ENST00000308192	12b	ENSE00002160674	chr6:161152777-161152925	149	PLMN_HUMAN	480-529	50	0	-	-
1.13	ENST00000308192	13	ENSE00002175196	chr6:161155027-161155120	94	PLMN_HUMAN	530-561	32	0	-	-
1.14	ENST00000308192	14	ENSE00002152595	chr6:161157919-161158039	121	PLMN_HUMAN	561-601	41	1	A:544-582	39
1.15b	ENST00000308192	15b	ENSE00002177616	chr6:161159570-161159644	75	PLMN_HUMAN	601-626	26	1	A:582-607	26
1.16	ENST00000308192	16	ENSE00002172545	chr6:161160100-161160240	141	PLMN_HUMAN	626-673	48	1	A:607-654	48
1.17b	ENST00000308192	17b	ENSE00002178747	chr6:161162343-161162449	107	PLMN_HUMAN	673-709	37	1	A:654-690	37
1.18b	ENST00000308192	18b	ENSE00002181703	chr6:161173147-161173292	146	PLMN_HUMAN	709-757	49	1	A:690-738	49
1.19b	ENST00000308192	19b	ENSE00001864790	chr6:161173932-161174338	407	PLMN_HUMAN	758-810	53	1	A:739-791	53

Asymmetric Unit

Reformat:	Number of residues per line = ('0' or empty: single-line sequence representation)
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	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:248
 aligned with PLMN_HUMAN | P00747 from UniProtKB/Swiss-Prot  Length:810

    Alignment length:248
                                   572       582       592       602       612       622       632       642       652       662       672       682       692       702       712       722       732       742       752       762       772       782       792       802        
           PLMN_HUMAN   563 PSFDCGKPQVEPKKCPGRVVGGCVAHPHSWPWQVSLRTRFGMHFCGGTLISPEWVLTAAHCLEKSPRPSSYKVILGAHQEVNLEPHVQEIEVSRLFLEPTRKDIALLKLSSPAVITDKVIPACLPSPNYVVADRTECFITGWGETQGTFGAGLLKEAQLPVIENKVCNRYEFLNGRVQSTELCAGHLAGGTDSCQGDSGGPLVCFEKDKYILQGVTSWGLGCARPNKPGVYVRVSRFVTWIEGVMRNN 810
               SCOP domains d1l4za_ A: Plasmin(ogen), catalytic domain                                                                                                                                                                                                               SCOP domains
               CATH domains ------------------1l4zA01     1l4zA02 A:574-664,A:779-790 Trypsin-like serine proteases                                  1l4zA01 A:562-573,A:665-778 Trypsin-like serine proteases                                                         1l4zA02     - CATH domains
               Pfam domains ------------------Trypsin-1l4zA01 A:562-784                                                                                                                                                                                                      ------- Pfam domains
         Sec.struct. author ......................ee........eeeeee....eeeeeeeee..eeeee.hhhh...hhh.eeeee............eeeeeeeeee......eeeeee..........................eeeeee.............eeeeeeeehhhhhh............eeee................eeeeee..eeeeeeee............eeeee...hhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------P----------------------------T-------------------------------------------------------D--------------------------------------------------------------------------R----------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ------------------TRYPSIN_DOM  PDB: A:562-789 UniProt: 581-808                                                                                                                                                                                        -- PROSITE (1)
                PROSITE (2) -------------------------------------------------------TRYPSI----------------------------------------------------------------------------------------------------------------------------------TRYPSIN_SER --------------------------------------------- PROSITE (2)
           Transcript 1 (1) Exon 1.14  PDB: A:544-582 [INCOMPLETE] ------------------------Exon 1.16  PDB: A:607-654 UniProt: 626-673      -----------------------------------Exon 1.18b  PDB: A:690-738 UniProt: 709-757      Exon 1.19b  PDB: A:739-791 UniProt: 758-810           Transcript 1 (1)
           Transcript 1 (2) --------------------------------------Exon 1.15b  PDB: A:582-607----------------------------------------------Exon 1.17b  PDB: A:654-690           ----------------------------------------------------------------------------------------------------- Transcript 1 (2)
                 1l4z A 544 PSFDCGKPQVEPKKCPGRVVGGCVAHPHSWPWQVSLRTRFGMHFCGGTLISPEWVLTAAHCLEKSPRPSSYKVILGAHQEVNLEPHVQEIEVSRLFLEPTRKDIALLKLSSPAVITDKVIPACLPSPNYVVADRTECFITGWGETQGTFGAGLLKEAQLPVIENKVCNRYEFLNGRVQSTELCAGHLAGGTDSCQGDAGGPLVCFEKDKYILQGVTSWGLGCARPNKPGVYVRVSRFVTWIEGVMRNN 791
                                   553       563       573       583       593       603       613       623       633       643       653       663       673       683       693       703       713       723       733       743       753       763       773       783

Chain B from PDB  Type:PROTEIN  Length:125
 aligned with STRP_STREQ | P00779 from UniProtKB/Swiss-Prot  Length:440

    Alignment length:148
                                    35        45        55        65        75        85        95       105       115       125       135       145       155       165        
           STRP_STREQ    26 AIAGPEWLLDRPSVNNSQLVVSVAGTVEGTNQDISLKFFEIDLTSRPAHGGKTEQGLSPKSKPFATDSGAMSHKLEKADLLKAIQEQLIANVHSNDDYFEVIDFASDATITDRNGKVYFADKDGSVTLPTQPVQEFLLSGHVRVRPYK 173
               SCOP domains d1l4zb_ B: Streptokinase                                                                                                                             SCOP domains
               CATH domains 1l4zB00 B:0-147  [code=3.10.20.180, no name de                       fined]                                                                          CATH domains
               Pfam domains ----------------------Staphylokinase-1l4zB01 B                       :22-146                                                                       - Pfam domains
         Sec.struct. author ......hhhhh......eeeeeeeeee.....eee...eeee....-----------------------....eeehhhhhhhhhhhhhh........eeeeee....eee.....ee......eee.......eeeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1l4z B   0 MIAGPEALLDRPSVNNSQLVVSVAGTVEGTNQDISLKFFEIDLTSR-----------------------AMPHKLEKADLLKAIQEQLIANVHSNDDYFEVIDFASDATITDRNGKVYFADKDGSVTLPTQPVQEFLLSGHVRVRPYK 147
                                     9        19        29        39     |   -         -        69        79        89        99       109       119       129       139        
                                                                        45                      69

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 '\|'

Asymmetric Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Alpha Beta (26913)

Architecture: Roll (3276)

Topology: Ubiquitin-like (UB roll) (674)

Homologous Superfamily: [code=3.10.20.180, no name defined] (5)

Human (Homo sapiens) (3)

1l4zB00

B:0-147

Class: Mainly Beta (13760)

Architecture: Beta Barrel (4804)

Topology: Thrombin, subunit H (1535)

Homologous Superfamily: Trypsin-like serine proteases (1488)

Human (Homo sapiens) (615)

2a	1l4zA02	A:574-664,A:779-790
2b	1l4zA01	A:562-573,A:665-778

Asymmetric Unit(hide GO term definitions)

Chain A (PLMN_HUMAN | P00747)

molecular function
	GO:0034185	apolipoprotein binding	Interacting selectively and non-covalently with an apolipoprotein, the protein component of a lipoprotein complex.
	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: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:0019904	protein domain specific binding	Interacting selectively and non-covalently with a specific domain of a protein.
	GO:0005102	receptor binding	Interacting selectively and non-covalently with one or more specific sites on a receptor molecule, a macromolecule that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function.
	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:0007596	blood coagulation	The sequential process in which the multiple coagulation factors of the blood interact, ultimately resulting in the formation of an insoluble fibrin clot; it may be divided into three stages: stage 1, the formation of intrinsic and extrinsic prothrombin converting principle; stage 2, the formation of thrombin; stage 3, the formation of stable fibrin polymers.
	GO:0044267	cellular protein metabolic process	The chemical reactions and pathways involving a specific protein, rather than of proteins in general, occurring at the level of an individual cell. Includes cellular protein modification.
	GO:0022617	extracellular matrix disassembly	A process that results in the breakdown of the extracellular matrix.
	GO:0042730	fibrinolysis	A process that solubilizes fibrin in the bloodstream of a multicellular organism, chiefly by the proteolytic action of plasmin.
	GO:0007599	hemostasis	The stopping of bleeding (loss of body fluid) or the arrest of the circulation to an organ or part.
	GO:0008285	negative regulation of cell proliferation	Any process that stops, prevents or reduces the rate or extent of cell proliferation.
	GO:2000048	negative regulation of cell-cell adhesion mediated by cadherin	Any process that stops, prevents, or reduces the frequency, rate or extent of cell-cell adhesion mediated by cadherin.
	GO:0010812	negative regulation of cell-substrate adhesion	Any process that decreases the frequency, rate or extent of cell-substrate adhesion. Cell-substrate adhesion is the attachment of a cell to the underlying substrate via adhesion molecules.
	GO:0051918	negative regulation of fibrinolysis	Any process that stops, prevents, or reduces the frequency, rate or extent of fibrinolysis, an ongoing process that solubilizes fibrin, resulting in the removal of small blood clots.
	GO:0002576	platelet degranulation	The regulated exocytosis of secretory granules containing preformed mediators such as histamine and serotonin by a platelet.
	GO:0051919	positive regulation of fibrinolysis	Any process that activates, maintains or increases the frequency, rate or extent of fibrinolysis, an ongoing process that solubilizes fibrin, resulting in the removal of small blood clots.
	GO:0006508	proteolysis	The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
	GO:0048771	tissue remodeling	The reorganization or renovation of existing tissues. This process can either change the characteristics of a tissue such as in blood vessel remodeling, or result in the dynamic equilibrium of a tissue such as in bone remodeling.
cellular component
	GO:0072562	blood microparticle	A phospholipid microvesicle that is derived from any of several cell types, such as platelets, blood cells, endothelial cells, or others, and contains membrane receptors as well as other proteins characteristic of the parental cell. Microparticles are heterogeneous in size, and are characterized as microvesicles free of nucleic acids.
	GO:0009986	cell surface	The external part of the cell wall and/or plasma membrane.
	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:0031232	extrinsic component of external side of plasma membrane	The component of a plasma membrane consisting of gene products and protein complexes that are loosely bound to its external surface, but not integrated into the hydrophobic region.
	GO:0044218	other organism cell membrane	The cell membrane of a secondary organism with which the first organism is interacting.
	GO:0005886	plasma membrane	The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
	GO:0031093	platelet alpha granule lumen	The volume enclosed by the membrane of the platelet alpha granule.

Chain B (STRP_STREQ | P00779)

molecular function
	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).
biological process
	GO:0009405	pathogenesis	The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.
	GO:0031639	plasminogen activation	The process in which inactive plasminogen is processed to active plasmin. This process includes cleavage at an internal Arg-Val site to form an N-terminal A-chain and C-terminal B-chain held together by a disulfide bond, and can include further proteolytic cleavage events to remove the preactivation peptide.
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.

Asymmetric Unit
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		Gln B:130 - Pro B:131	[ RasMol ]

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	PLMN_HUMAN \| P00747
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	STRP_STREQ \| P00779
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	3.4.21.7
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	217090
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		Protein Disorder Prediction	:	DisEMBL \| FoldIndex \| GLOBPLOT (for more information see DisProt)

1bml	COMPLEX OF THE CATALYTIC DOMAIN OF HUMAN PLASMIN AND STREPTOKINASE
1bui	STRUCTURE OF THE TERNARY MICROPLASMIN-STAPHYLOKINASE- MICROPLASMIN COMPLEX: A PROTEINASE-COFACTOR-SUBSTRATE COMPLEX IN ACTION
1ddj	CRYSTAL STRUCTURE OF HUMAN PLASMINOGEN CATALYTIC DOMAIN
1l4d	CRYSTAL STRUCTURE OF MICROPLASMINOGEN-STREPTOKINASE ALPHA DOMAIN COMPLEX
1qrz	CATALYTIC DOMAIN OF PLASMINOGEN

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (1, 6)

Sites (6, 6)

SS Bonds (6, 6)

Cis Peptide Bonds (1, 1)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (4, 4)

PROSITE Motifs (3, 3)

Exons (6, 6)

Sequences/Alignments

Classification and Annotation

SCOP Domains (2, 2)

CATH Domains (2, 3)

Pfam Domains (2, 2)

Gene Ontology (32, 34)

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Still Images

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Databases

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Related Entries

Entries Sharing at Least One Protein Chain (UniProt ID)

Related Entries Specified in the PDB File