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Title :   CRYSTAL STRUCTURE OF STREPTOCOCCUS AGALACTIAE HYALURONATE LYASE COMPLEXED WITH ENZYME PRODUCT, UNSATURATED DISACCHARIDE HYALURONAN

Authors :   S. Li, M. J. Jedrzejas

Date :   15 Mar 01 (Deposition) - 16 Jan 02 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.20

Chains :   Asym./Biol. Unit : A

Keywords :   Beta-Alpha-Beta, Lyase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   S. Li, M. J. Jedrzejas
Hyaluronan Binding And Degradation By Streptococcus Agalactiae Hyaluronate Lyase.
J. Biol. Chem. V. 276 41407 2001
PubMed-ID: 11527972 | Reference-DOI: 10.1074/JBC.M106634200

Molecule 1 - HYALURONATE LYASE
	Chains	:	A
	EC Number	:	4.2.2.1
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Taxid	:	562
	Fragment	:	ENZYMATICALLY ACTIVE FRAGMENT, RESIDUES 171-984
	Gene	:	HYL
	Organism Scientific	:	STREPTOCOCCUS AGALACTIAE
	Organism Taxid	:	1311
	Synonym	:	HYALURONIDASE, HYASE

		1
Asymmetric/Biological Unit	:	A

Summary Information (see also Sequences/Alignments below)

Asymmetric/Biological Unit (2, 4)

No.	Name	Count	Type	Full Name
1	GC4	2	Ligand/Ion	4-DEOXY-D-GLUCURONIC ACID
2	NAG	2	Ligand/Ion	N-ACETYL-D-GLUCOSAMINE

Asymmetric Unit (4, 4)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ARG A:321 , TRP A:372 , ASP A:432 , NAG A:1002	BINDING SITE FOR RESIDUE GC4 A 1001
2	AC2	SOFTWARE	ARG A:542 , ARG A:546 , GC4 A:1001	BINDING SITE FOR RESIDUE NAG A 1002
3	AC3	SOFTWARE	ASN A:370 , TRP A:371 , ARG A:416 , ASN A:421 , NAG A:1004	BINDING SITE FOR RESIDUE GC4 A 1003
4	AC4	SOFTWARE	TRP A:371 , ARG A:416 , PHE A:423 , ASN A:429 , GC4 A:1003	BINDING SITE FOR RESIDUE NAG A 1004

(no "SS Bond" information available for 1I8Q)

(no "Cis Peptide Bond" information available for 1I8Q)

(no "SAP(SNP)/Variant" information available for 1I8Q)

(no "PROSITE Motif" information available for 1I8Q)

(no "Exon" information available for 1I8Q)

Asymmetric/Biological 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:814
 aligned with HYSA_STRA3 | Q53591 from UniProtKB/Swiss-Prot  Length:984

    Alignment length:814
                                   180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510       520       530       540       550       560       570       580       590       600       610       620       630       640       650       660       670       680       690       700       710       720       730       740       750       760       770       780       790       800       810       820       830       840       850       860       870       880       890       900       910       920       930       940       950       960       970       980    
           HYSA_STRA3   171 SEHPQPVTTQIEESVNTALNKNYVFNKADYQYTLTNPSLGKIVGGILYPNATGSTTVKISDKSGKIIKEVPLSVTASTEDKFTKLLDKWNDVTIGNHVYDTNDSNMQKINQKLDETNAKNIKTIKLDSNHTFLWKDLDNLNNSAQLTATYRRLEDLAKQITNPHSTIYKNEKAIRTVKESLAWLHQNFYNVNKDIEGSANWWDFEIGVPRSITATLALMNNYFTDAEIKTYTDPIEHFVPDAGYFRKTLDNPFKALGGNLVDMGRVKIIEGLLRKDNTIIEKTSHSLKNLFTTATKAEGFYADGSYIDHTNVAYTGAYGNVLIDGLTQLLPIIQETDYKISNQELDMVYKWINQSFLPLIVKGELMDMSRGRSISREAASSHAAAVEVLRGFLRLANMSNEERNLDLKSTIKTIITSNKFYNVFNNLKSYSDIANMNKMLNDSTVATKPLKSNLSTFNSMDRLAYYNAEKDFGFALSLHSKRTLNYEGMNDENTRDWYTGDGMFYLYNSDQSHYSNHFWPTVNPYKMAGTTEKDAKREDTTKEFMSKHSKDAKEKTGQVTGTSDFVGSVKLNDHFALAAMDFTNWDRTLTAQKGWVILNDKIVFLGSNIKNTNGIGNVSTTIDQRKDDSKTPYTTYVNGKTIDLKQASSQQFTDTKSVFLESKEPGRNIGYIFFKNSTIDIERKEQTGTWNSINRTSKNTSIVSNPFITISQKHDNKGDSYGYMMVPNIDRTSFDKLANSKEVELLENSSKQQVIYDKNSQTWAVIKHDNQESLINNQFKMNKAGLYLVQKVGNDYQNVYYQPQTMTKTDQLAI 984
               SCOP domains d1i8qa2 A:171-248 Hyaluronate lyase precatalytic domain                       d1i8qa1 A:249-619 Hyaluronate lyase                                                                                                                                                                                                                                                                                                                                                d1i8qa4 A:620-911 Hyaluronate lyase                                                                                                                                                                                                                                                                 d1i8qa3 A:912-984 Hyaluronate lyase                                       SCOP domains
               CATH domains ------------------------------------------------------------------------------1i8qA02 A:249-622  [code=1.50.10.100, no name defined]                                                                                                                                                                                                                                                                                                                                -----1i8qA01 A:628-902  [code=2.70.98.10, no name defined]                                                                                                                                                                                                                              1i8qA03 A:903-984 Chondroitinase Ac; Chain A, domain 3                             CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..............eeee....ee......eeee.hhh.eeee..eeee...eeeeeeee.....eeeeeeeeee....hhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhh.........hhhhh...hhhhhhhhhhhhhhhhhhhh........hhhhhhhhhhhhhhhhhhh...........hhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhh....ee.......ee..hhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhh.......ee.....eee...ee...hhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhh.ee..ee.hhhhhhhhhh...hhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhh...hhhhhh.hhhhhhhhhhhhh...........eeeeehhh.eeeeee....eeeeee.........................eeeee.........hhhhhh........eee................................eeeee....eeeeeeeee......eeeeeeeee..eeeeeeeeee.......eeeeeeeee.......eeee..ee.........eeeeeeeeeee.......eeeeeeeeeeeeeeeeeeeehhhhhh........eeeeeeeeeee.......eeeeeee..hhhhhhhhhh...eeeeee...eeeeee....eeeeee......eehhhee....eeeeeee....eeeeeee....eeee.... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1i8q A 171 SEHPQPVTTQIEKSVNTALNKNYVFNKADYQYTLTNPSLGKIVGGILYPNATGSTTVKISDKSGKIIKEVPLSVTASTEDNFTKLLDKWNDVTIGNYVYDTNDSNMQKLNQKLDETNAKNIEAIKLDSNRTFLWKDLDNLNNSAQLTATYRRLEDLAKQITNPHSTIYKNEKAIRTVKESLAWLHQNFYNVNKDIEGSANWWDFEIGVPRSITGTLSLMNNYFTDAEIKTYTDPIEHFVPDAEYFRKTLVNPFKALGGNLVDMGRVKIIEGLLRKDNTIIEKTSHSLKNLFTTATKAEGFYADGSYIDHTNVAYTGAYGNVLIDGLTQLLPIIQETDYKISNQELDMVYKWINQSFLPLIVKGELMDMSRGRSISREAASSHAAAVEVLRGFLRLANMSNEERNLDLKSTIKTIITSNKFYNVFNNLKSYSDIANMNKLLNDSTVATKPLKSNLSTFNSMDRLAYYNAKKDFGFALSLHSKRTLNYEGMNDENTRGWYTGDGMFYIYNSDQSHYSNHFWPTVNPYKMAGTTEKDAKREDTTKEFMSKHSKDAKEKTGQVTGTSDFVGSVKLNDHFALAAMDFTNWDRTLTAQKGWVILNDKIVFLGSNIKNTNGIGNVSTTIDQRKDDSKTPYTTYVNGKTIDLKQASSQQFTDTKSVFLESKEPGRNIGYIFFKNSTIDIERKEQTGTWNSINRTSKNTSIVSNPFITISQKHDNKGDSYGYMMVPNIDRTSFDKLANSKEVELLENSSKQQVIYDKNSQTWAVIKHDNQESLINNQFKMNKAGLYLVQKVGNDYQNVYYQPQTMTKTDQLAI 984
                                   180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510       520       530       540       550       560       570       580       590       600       610       620       630       640       650       660       670       680       690       700       710       720       730       740       750       760       770       780       790       800       810       820       830       840       850       860       870       880       890       900       910       920       930       940       950       960       970       980

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 '\|'

(no "Pfam Domain" information available for 1I8Q)

Asymmetric/Biological Unit(hide GO term definitions)

Chain A (HYSA_STRA3 | Q53591)

molecular function
	GO:0030246	carbohydrate binding	Interacting selectively and non-covalently with any carbohydrate, which includes monosaccharides, oligosaccharides and polysaccharides as well as substances derived from monosaccharides by reduction of the carbonyl group (alditols), by oxidation of one or more hydroxy groups to afford the corresponding aldehydes, ketones, or carboxylic acids, or by replacement of one or more hydroxy group(s) by a hydrogen atom. Cyclitols are generally not regarded as carbohydrates.
	GO:0016837	carbon-oxygen lyase activity, acting on polysaccharides	Catalysis of the cleavage of a carbon-oxygen bond by the elimination of an alcohol from a polysaccharide.
	GO:0003824	catalytic activity	Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
	GO:0030340	hyaluronate lyase activity	Catalysis of the reaction: hyaluronate = n 3-(4-deoxy-beta-D-gluc-4-enuronosyl)-N-acetyl-D-glucosamine.
	GO:0016829	lyase activity	Catalysis of the cleavage of C-C, C-O, C-N and other bonds by other means than by hydrolysis or oxidation, or conversely adding a group to a double bond. They differ from other enzymes in that two substrates are involved in one reaction direction, but only one in the other direction. When acting on the single substrate, a molecule is eliminated and this generates either a new double bond or a new ring.
biological process
	GO:0005975	carbohydrate metabolic process	The chemical reactions and pathways involving carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y. Includes the formation of carbohydrate derivatives by the addition of a carbohydrate residue to another molecule.
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/Biological Unit
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	HYSA_STRA3 \| Q53591	:	1f1s 1lxm

1f1s	NATIVE ENZYME CRYSTAL STRUCTURE OF STREPTOCOCCUS AGALACTIAE HYALURONATE LYASE

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (2, 4)

Sites (4, 4)

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