1SY7 - JenaLib

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Asymmetric Unit (Jmol Viewer)

Asym. Unit - sites (Jmol Viewer)

Biological Unit 1 (Jmol Viewer)

Biol. Unit 1 - sites (Jmol Viewer)

Title :   CRYSTAL STRUCTURE OF THE CATALASE-1 FROM NEUROSPORA CRASSA, NATIVE STRUCTURE AT 1.75A RESOLUTION.

Authors :   A. Diaz, E. Horjales, E. Rudino-Pinera, R. Arreola, W. Hansberg

Date :   01 Apr 04 (Deposition) - 12 Oct 04 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.75

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

Keywords :   Catalase, Heme Oxidation, Singlet Oxygen, Neurospora Crassa, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   A. Diaz, E. Horjales, E. Rudino-Pinera, R. Arreola, W. Hansberg
Unusual Cys-Tyr Covalent Bond In A Large Catalase
J. Mol. Biol. V. 342 971 2004
PubMed-ID: 15342250 | Reference-DOI: 10.1016/J.JMB.2004.07.027

Molecule 1 - CATALASE 1
	Chains	:	A, B
	EC Number	:	1.11.1.6
	Organism Scientific	:	NEUROSPORA CRASSA
	Organism Taxid	:	5141
	Strain	:	74-ORS23-1A

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

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (2, 4)

No.	Name	Count	Type	Full Name
1	HDD	2	Ligand/Ion	CIS-HEME D HYDROXYCHLORIN GAMMA-SPIROLACTONE
2	HEM	2	Ligand/Ion	PROTOPORPHYRIN IX CONTAINING FE

Biological Unit 1 (2, 8)

No.	Name	Count	Type	Full Name
1	HDD	4	Ligand/Ion	CIS-HEME D HYDROXYCHLORIN GAMMA-SPIROLACTONE
2	HEM	4	Ligand/Ion	PROTOPORPHYRIN IX CONTAINING FE

Asymmetric Unit (4, 4)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ARG A:89 , VAL A:90 , VAL A:91 , HIS A:92 , ARG A:129 , GLY A:148 , VAL A:163 , GLY A:164 , ASN A:165 , PHE A:170 , PHE A:178 , VAL A:238 , ASN A:239 , PHE A:355 , LEU A:371 , GLY A:374 , ARG A:375 , SER A:378 , TYR A:379 , THR A:382 , GLN A:383 , HOH A:1887 , HOH A:2318 , HOH A:2352	BINDING SITE FOR RESIDUE HDD A 1880
2	AC2	SOFTWARE	ARG B:89 , VAL B:90 , VAL B:91 , HIS B:92 , ARG B:129 , GLY B:148 , VAL B:163 , GLY B:164 , ASN B:165 , PHE B:170 , PHE B:178 , VAL B:238 , ASN B:239 , PHE B:355 , LEU B:371 , GLY B:374 , ARG B:375 , SER B:378 , TYR B:379 , THR B:382 , GLN B:383 , HOH B:1891 , HOH B:1920 , HOH B:1952	BINDING SITE FOR RESIDUE HDD B 1881
3	AC3	SOFTWARE	ILE B:78 , ASP B:82 , ARG B:89 , VAL B:90 , VAL B:91 , HIS B:92 , ARG B:129 , GLY B:148 , VAL B:163 , GLY B:164 , ASN B:165 , ALA B:175 , PHE B:178 , VAL B:238 , ASN B:239 , PHE B:355 , LEU B:371 , ARG B:375 , SER B:378 , TYR B:379 , THR B:382 , GLN B:383 , ARG B:386 , HOH B:1891 , HOH B:1920 , HOH B:1952	BINDING SITE FOR RESIDUE HEM B 1882
4	AC4	SOFTWARE	ILE A:78 , ASP A:82 , ARG A:89 , VAL A:90 , VAL A:91 , HIS A:92 , ARG A:129 , GLY A:148 , VAL A:163 , GLY A:164 , ASN A:165 , ALA A:175 , PHE A:178 , VAL A:238 , ASN A:239 , PHE A:355 , LEU A:371 , ARG A:375 , SER A:378 , TYR A:379 , THR A:382 , GLN A:383 , ARG A:386 , HOH A:1887 , HOH A:2318 , HOH A:2352	BINDING SITE FOR RESIDUE HEM A 1883

(no "SS Bond" information available for 1SY7)

Asymmetric Unit

No.	Residues
1	Val A:193	-	Pro A:194
2	Tyr A:424	-	Pro A:425
3	Val B:193	-	Pro B:194
4	Tyr B:424	-	Pro B:425

(no "SAP(SNP)/Variant" information available for 1SY7)

Asymmetric Unit (2, 4)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	CATALASE_2	PS00438	Catalase proximal active site signature.	CAT1_NEUCR	81-97	2	A:81-97 B:81-97
2	CATALASE_1	PS00437	Catalase proximal heme-ligand signature.	CAT1_NEUCR	375-383	2	A:375-383 B:375-383

Biological Unit 1 (2, 8)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	CATALASE_2	PS00438	Catalase proximal active site signature.	CAT1_NEUCR	81-97	4	A:81-97 B:81-97
2	CATALASE_1	PS00437	Catalase proximal heme-ligand signature.	CAT1_NEUCR	375-383	4	A:375-383 B:375-383

(no "Exon" information available for 1SY7)

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:698
 aligned with CAT1_NEUCR | Q9C168 from UniProtKB/Swiss-Prot  Length:736

    Alignment length:698
                                    48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318       328       338       348       358       368       378       388       398       408       418       428       438       448       458       468       478       488       498       508       518       528       538       548       558       568       578       588       598       608       618       628       638       648       658       668       678       688       698       708       718       728        
           CAT1_NEUCR    39 ARLTTDYGVKQTTADDWLRIVSDDKIGPSLLEDPFARERIMRFDHERIPERVVHARGSGAFGKFKVYESASDLTMAPVLTDTSRETPVFVRFSTVLGSRGSADTVRDVRGFAVKFYTEEGNWDLVGNNIPVFFIQDAIKFPDVIHAGKPEPHNEVPQAQSAHNNFWDFQFNHTEATHMFTWAMSDRAIPRSLRMMQGFGVNTYTLINAQGKRHFVKFHWTPELGVHSLVWDEALKLAGQDPDFHRKDLWEAIENGAYPKWKFGIQAIAEEDEHKFDFDILDATKIWPEDLVPVRYIGEMELNRNPDEFFPQTEQIAFCTSHVVNGIGFSDDPLLQGRNFSYFDTQISRLGVNFQELPINRPVCPVMNFNRDGAMRHTISRGTVNYYPNRFDACPPASLKEGGYLEYAQKVAGIKARARSAKFKEHFSQAQLFYNSMSPIEKQHMINAFGFELDHCEDPVVYGRMVQRLADIDLGLAQTIAEMVGGEAPTTTNHPNHGRKTINLSQTEFPPATPTIKSRRVAIIIADGYDNVAYDAAYAAISANQAIPLVIGPRRSKVTAANGSTVQPHHHLEGFRSTMVDAIFIPGGAKAAETLSKNGRALHWIREAFGHLKAIGATGEAVDLVAKAIALPQVTVSSEAEVHESYGVVTLKKVKPESFTDAVKIAKGAAGFLGEFFYAIAQHRNWDRELDGLHSMIAY 736
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------d1sy7a1 A:553-736 Catalase, C-terminal domain                                                                                                                                            SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..................eee....eeee...hhhhhhhhhhhhh...........eeeeeeeeee.........hhhhh.....eeeeeeee................eeeeeeee..eeeeeeee........hhhhhhhhhhhhh.............hhhhhhhhhhh..hhhhhhhhhhhhhh..hhhhh.ee....eeee.....eeeeeeeeee.......hhhhhhhhhhhh.hhhhhhhhhhhhh....eeeeeeeeee.hhh.....................eeeeeeeeee...hhhhhh.............ee.....hhhhhhhhhhhhhhhhh..hhhhh..............................................................hhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhh..hhhhhhhhhhhhh...................hhhhh..........eeeee.....hhhhhhhhhhhhhhh..eeeeee.....ee.....ee...ee....hhhhh.eeee..hhhhhhhhhhhhhhhhhhhhhhhh..eeeee.hhhhhhhhhhh............eee..eeee...................hhhhhhhhhhhh..hhhhhhh.hhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------CATALASE_2       -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------CATALASE_----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1sy7 A  39 ARLTTDYGVKQTTADDWLRIVSDDKIGPSLLEDPFARERIMRFDHERIPERVVHARGSGAFGKFKVYESASDLTMAPVLTDTSRETPVFVRFSTVLGSRGSADTVRDVRGFAVKFYTEEGNWDLVGNNIPVFFIQDAIKFPDVIHAGKPEPHNEVPQAQSAHNNFWDFQFNHTEATHMFTWAMSDRAIPRSLRMMQGFGVNTYTLINAQGKRHFVKFHWTPELGVHSLVWDEALKLAGQDPDFHRKDLWEAIENGAYPKWKFGIQAIAEEDEHKFDFDILDATKIWPEDLVPVRYIGEMELNRNPDEFFPQTEQIAFCTSHVVNGIGFSDDPLLQGRNFSYFDTQISRLGVNFQELPINRPVCPVMNFNRDGAMRHTISRGTVNYYPNRFDACPPASLKEGGYLEYAQKVAGIKARARSAKFKEHFSQAQLFYNSMSPIEKQHMINAFGFELDHCEDPVVYGRMVQRLADIDLGLAQTIAEMVGGEAPTTTNHPNHGRKTINLSQTEFPPATPTIKSRRVAIIIADGYDNVAYDAAYAAISANQAIPLVIGPRRSKVTAANGSTVQPHHHLEGFRSTMVDAIFIPGGAKAAETLSKNGRALHWIREAFGHLKAIGATGEAVDLVAKAIALPQVTVSSEAEVHESYGVVTLKKVKPESFTDAVKIAKGAAGFLGEFFYAIAQHRNWDRELDGLHSMIAY 736
                                    48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318       328       338       348       358       368       378       388       398       408       418       428       438       448       458       468       478       488       498       508       518       528       538       548       558       568       578       588       598       608       618       628       638       648       658       668       678       688       698       708       718       728

Chain B from PDB  Type:PROTEIN  Length:698
 aligned with CAT1_NEUCR | Q9C168 from UniProtKB/Swiss-Prot  Length:736

    Alignment length:698
                                    48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318       328       338       348       358       368       378       388       398       408       418       428       438       448       458       468       478       488       498       508       518       528       538       548       558       568       578       588       598       608       618       628       638       648       658       668       678       688       698       708       718       728        
           CAT1_NEUCR    39 ARLTTDYGVKQTTADDWLRIVSDDKIGPSLLEDPFARERIMRFDHERIPERVVHARGSGAFGKFKVYESASDLTMAPVLTDTSRETPVFVRFSTVLGSRGSADTVRDVRGFAVKFYTEEGNWDLVGNNIPVFFIQDAIKFPDVIHAGKPEPHNEVPQAQSAHNNFWDFQFNHTEATHMFTWAMSDRAIPRSLRMMQGFGVNTYTLINAQGKRHFVKFHWTPELGVHSLVWDEALKLAGQDPDFHRKDLWEAIENGAYPKWKFGIQAIAEEDEHKFDFDILDATKIWPEDLVPVRYIGEMELNRNPDEFFPQTEQIAFCTSHVVNGIGFSDDPLLQGRNFSYFDTQISRLGVNFQELPINRPVCPVMNFNRDGAMRHTISRGTVNYYPNRFDACPPASLKEGGYLEYAQKVAGIKARARSAKFKEHFSQAQLFYNSMSPIEKQHMINAFGFELDHCEDPVVYGRMVQRLADIDLGLAQTIAEMVGGEAPTTTNHPNHGRKTINLSQTEFPPATPTIKSRRVAIIIADGYDNVAYDAAYAAISANQAIPLVIGPRRSKVTAANGSTVQPHHHLEGFRSTMVDAIFIPGGAKAAETLSKNGRALHWIREAFGHLKAIGATGEAVDLVAKAIALPQVTVSSEAEVHESYGVVTLKKVKPESFTDAVKIAKGAAGFLGEFFYAIAQHRNWDRELDGLHSMIAY 736
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------d1sy7b1 B:553-736 Catalase, C-terminal domain                                                                                                                                            SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) ---Catalase-1sy7B05 B:42-432                                                                                                                                                                                                                                                                                                                                                                              ---------------------Catalase-rel-1sy7B03 B:454-522                                       --------------------------------------------------------------DJ-1_PfpI-1sy7B01 B:585-716                                                                                                         -------------------- Pfam domains (1)
           Pfam domains (2) ---Catalase-1sy7B06 B:42-432                                                                                                                                                                                                                                                                                                                                                                              ---------------------Catalase-rel-1sy7B04 B:454-522                                       --------------------------------------------------------------DJ-1_PfpI-1sy7B02 B:585-716                                                                                                         -------------------- Pfam domains (2)
         Sec.struct. author ..................eee....eeee...hhhhhhhhhhhhh...........eeeeeeeeee.........hhhhh.....eeeeeeee................eeeeeeee..eeeeeeee........hhhhhhhhhhhhh.............hhhhhhhhhhh..hhhhhhhhhhhhhh..hhhhh.ee....eeee.....eeeeeeeeee.......hhhhhhhhhhhh.hhhhhhhhhhhhh....eeeeeeeeee.hhh.....................eeeeeeeeee...hhhhhh.............ee.....hhhhhhhhhhhhhhhhh..hhhhh..............................................................hhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhh..hhhhhhhhhhhhh...................hhhhh..........eeeee.....hhhhhhhhhhhhhhh..eeeeee.....ee.....ee...ee....hhhhh.eeee..hhhhhhhhhhhhhhhhhhhhhhhh..eeeee.hhhhhhhhhhh............eee..eeee...................hhhhhhhhhhhh..hhhhhhh.hhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------CATALASE_2       -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------CATALASE_----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1sy7 B  39 ARLTTDYGVKQTTADDWLRIVSDDKIGPSLLEDPFARERIMRFDHERIPERVVHARGSGAFGKFKVYESASDLTMAPVLTDTSRETPVFVRFSTVLGSRGSADTVRDVRGFAVKFYTEEGNWDLVGNNIPVFFIQDAIKFPDVIHAGKPEPHNEVPQAQSAHNNFWDFQFNHTEATHMFTWAMSDRAIPRSLRMMQGFGVNTYTLINAQGKRHFVKFHWTPELGVHSLVWDEALKLAGQDPDFHRKDLWEAIENGAYPKWKFGIQAIAEEDEHKFDFDILDATKIWPEDLVPVRYIGEMELNRNPDEFFPQTEQIAFCTSHVVNGIGFSDDPLLQGRNFSYFDTQISRLGVNFQELPINRPVCPVMNFNRDGAMRHTISRGTVNYYPNRFDACPPASLKEGGYLEYAQKVAGIKARARSAKFKEHFSQAQLFYNSMSPIEKQHMINAFGFELDHCEDPVVYGRMVQRLADIDLGLAQTIAEMVGGEAPTTTNHPNHGRKTINLSQTEFPPATPTIKSRRVAIIIADGYDNVAYDAAYAAISANQAIPLVIGPRRSKVTAANGSTVQPHHHLEGFRSTMVDAIFIPGGAKAAETLSKNGRALHWIREAFGHLKAIGATGEAVDLVAKAIALPQVTVSSEAEVHESYGVVTLKKVKPESFTDAVKIAKGAAGFLGEFFYAIAQHRNWDRELDGLHSMIAY 736
                                    48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318       328       338       348       358       368       378       388       398       408       418       428       438       448       458       468       478       488       498       508       518       528       538       548       558       568       578       588       598       608       618       628       638       648       658       668       678       688       698       708       718       728

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(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: Alpha and beta proteins (a/b) (23833)

Fold: Flavodoxin-like (1057)

Superfamily: Class I glutamine amidotransferase-like (173)

Family: Catalase, C-terminal domain (17)

Protein domain: Catalase, C-terminal domain (17)

Fungus (Neurospora crassa) [TaxId: 5141] (1)

1a	d1sy7a1	A:553-736
1b	d1sy7b1	B:553-736

(no "CATH Domain" information available for 1SY7)

Asymmetric Unit

Clans(

)

Families(

)

Organisms( (-)

)

Clan: Glutaminase_I (73)

Family: DJ-1_PfpI (29)

Neurospora crassa (1)

1a	DJ-1_PfpI-1sy7B01	B:585-716
1b	DJ-1_PfpI-1sy7B02	B:585-716

Clan: no clan defined [family: Catalase-rel] (18)

Family: Catalase-rel (18)

Neurospora crassa (1)

2a	Catalase-rel-1sy7B03	B:454-522
2b	Catalase-rel-1sy7B04	B:454-522

Clan: no clan defined [family: Catalase] (19)

Family: Catalase (19)

Neurospora crassa (1)

3a	Catalase-1sy7B05	B:42-432
3b	Catalase-1sy7B06	B:42-432

Asymmetric Unit(hide GO term definitions)

Chain A,B (CAT1_NEUCR | Q9C168)

molecular function
	GO:0004096	catalase activity	Catalysis of the reaction: 2 hydrogen peroxide = O2 + 2 H2O.
	GO:0020037	heme binding	Interacting selectively and non-covalently with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
	GO:0016491	oxidoreductase activity	Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
	GO:0004601	peroxidase activity	Catalysis of the reaction: donor + hydrogen peroxide = oxidized donor + 2 H2O.
biological process
	GO:0098869	cellular oxidant detoxification	Any process carried out at the cellular level that reduces or removes the toxicity superoxide radicals or hydrogen peroxide.
	GO:0048315	conidium formation	The process of producing non-motile spores, called conidia, via mitotic asexual reproduction in higher fungi. Conidia are haploid cells genetically identical to their haploid parent. They are produced by conversion of hyphal elements, or are borne on sporogenous cells on or within specialized structures termed conidiophores, and participate in dispersal of the fungus.
	GO:0042744	hydrogen peroxide catabolic process	The chemical reactions and pathways resulting in the breakdown of hydrogen peroxide (H2O2).
	GO:0055114	oxidation-reduction process	A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
	GO:0042542	response to hydrogen peroxide	Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a hydrogen peroxide (H2O2) stimulus.
	GO:0006979	response to oxidative stress	Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of oxidative stress, a state often resulting from exposure to high levels of reactive oxygen species, e.g. superoxide anions, hydrogen peroxide (H2O2), and hydroxyl radicals.
cellular component
	GO:0005619	ascospore wall	The specialized cell wall of the ascospore (spore), which is the product of meiotic division. Examples of this component are found in Fungi.
	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:0005829	cytosol	The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
	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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	Cis Peptide Bonds
		Tyr A:424 - Pro A:425	[ RasMol ]
		Tyr B:424 - Pro B:425	[ RasMol ]
		Val A:193 - Pro A:194	[ RasMol ]
		Val B:193 - Pro B:194	[ RasMol ]

Biological Unit
	Complete Structure
		Biological Unit 1	[ Jena3D ]

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	1sy7
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(no "Entries Sharing at Least One Protein Chain" available for 1SY7)

1gge	CRYSTAL STRUCTURE OF CATALASE HPII FROM ESCHERICHIA COLI, NATIVE STRUCTURE AT 1.9 A RESOLUTION

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (2, 4)

Sites (4, 4)

SS Bonds (0, 0)

Cis Peptide Bonds (4, 4)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

PROSITE Motifs (2, 4)

Exons (0, 0)

Sequences/Alignments

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SCOP Domains (1, 2)

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Pfam Domains (3, 6)

Gene Ontology (15, 15)

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