1GZC - JenaLib

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Title :   HIGH-RESOLUTION CRYSTAL STRUCTURE OF ERYTHRINA CRISTAGALLI LECTIN IN COMPLEX WITH LACTOSE

Authors :   C. Svensson, U. Krengel

Date :   17 May 02 (Deposition) - 21 Jun 02 (Release) - 06 Oct 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.58

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

Keywords :   Lectin, Carbohydrate, Sugar Binding Protein, Saccharide, Protein-Carbohydrate Interactions, Lactose, Glycoprotein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   C. Svensson, S. Teneberg, C. Nilsson, A. Kjellberg, F. Schwarz, N. Sharon, U. Krengel
High-Resolution Crystal Structures Of Erythrina Cristagalli Lectin In Complex With Lactose And 2'-Alpha-L-Fucosyllactose And Correlation With Thermodynamic Binding Data
J. Mol. Biol. V. 321 69 2002
PubMed-ID: 12139934 | Reference-DOI: 10.1016/S0022-2836(02)00554-5

Molecule 1 - ERYTHRINA CRISTA-GALLI LECTIN
	Chains	:	A
	Organism Common	:	COCKSPUR CORAL TREE
	Organism Scientific	:	ERYTHRINA CRISTA-GALLI
	Organism Taxid	:	49817

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

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (3, 3)

No.	Name	Count	Type	Full Name
1	CA	1	Ligand/Ion	CALCIUM ION
2	LAT	1	Ligand/Ion	BETA-LACTOSE
3	MN	1	Ligand/Ion	MANGANESE (II) ION

Biological Unit 1 (1, 2)

No.	Name	Count	Type	Full Name
1	CA	-1	Ligand/Ion	CALCIUM ION
2	LAT	2	Ligand/Ion	BETA-LACTOSE
3	MN	-1	Ligand/Ion	MANGANESE (II) ION

Asymmetric Unit (3, 3)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ASP A:89 , GLY A:107 , PHE A:131 , ASN A:133 , GLY A:217 , ALA A:218 , GLN A:219 , ALA A:222 , HOH A:2145 , HOH A:2261 , HOH A:2262 , HOH A:2264 , HOH A:2265 , HOH A:2266	BINDING SITE FOR RESIDUE LAT A1559
2	AC2	SOFTWARE	GLU A:127 , ASP A:129 , ASP A:136 , HIS A:142 , HOH A:2259 , HOH A:2260	BINDING SITE FOR RESIDUE MN A 289
3	AC3	SOFTWARE	ASP A:129 , PHE A:131 , ASN A:133 , ASP A:136 , HOH A:2132 , HOH A:2146	BINDING SITE FOR RESIDUE CA A 290

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

Asymmetric Unit

No.	Residues
1	Arg A:84	-	Pro A:85
2	Ala A:88	-	Asp A:89
3	Val A:140	-	Pro A:141

Asymmetric Unit (1, 1)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_LEC_ERYCG_001 *	M	59	I	LEC_ERYCG	---	---	A	M	59	I
	* ID not provided by source

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

Biological Unit 1 (1, 2)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_LEC_ERYCG_001 *	M	59	I	LEC_ERYCG	---	---	A	M	59	I
	* ID not provided by source

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

Asymmetric Unit (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	LECTIN_LEGUME_BETA	PS00307	Legume lectins beta-chain signature.	LEC_ERYCG	124-130	1	A:124-130
2	LECTIN_LEGUME_ALPHA	PS00308	Legume lectins alpha-chain signature.	LEC_ERYCG	204-213	1	A:204-213

Biological Unit 1 (2, 4)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	LECTIN_LEGUME_BETA	PS00307	Legume lectins beta-chain signature.	LEC_ERYCG	124-130	2	A:124-130
2	LECTIN_LEGUME_ALPHA	PS00308	Legume lectins alpha-chain signature.	LEC_ERYCG	204-213	2	A:204-213

(no "Exon" information available for 1GZC)

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 LEC_ERYCG | P83410 from UniProtKB/Swiss-Prot  Length:239

    Alignment length:239
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230         
            LEC_ERYCG     1 VETISFSFSEFEPGNDNLTLQGAALITQSGVLQLTKINQNGMPAWDSTGRTLYTKPVHMWDSTTGTVASFETRFSFSIEQPYTRPLPADGLVFFMGPTKSKPAQGYGYLGVFNNSKQDNSYQTLAVEFDTFSNPWDPPQVPHIGIDVNSIRSIKTQPFQLDNGQVANVVIKYDAPSKILHVVLVYPSSGAIYTIAEIVDVKQVLPDWVDVGLSGATGAQRDAAETHDVYSWSFQASLPE 239
               SCOP domains d1gzca_ A: Legume lectin                                                                                                                                                                                                                        SCOP domains
               CATH domains 1gzcA00 A:1-239  [code=2.60.120.200, no name defined]                                                                                                                                                                                           CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeee.........eeeee..ee.....ee..............eeeeee...ee..........eeeeeeeee...........eeeeeeee........hhhhh........hhhhh.eeeeee............eeeeee......eeee.......eeeeeeeee....eeeeeee......eeeeeee.hhhhhh..eeeeeeeeee..........eeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------I------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------LECTIN_-------------------------------------------------------------------------LECTIN_LEG-------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1gzc A   1 VETISFSFSEFEPGNDNLTLQGAALITQSGVLQLTKINQNGMPAWDSTGRTLYTKPVHMWDSTTGTVASFETRFSFSIEQPYTRPLPADGLVFFMGPTKSKPAQGYGYLGVFNNSKQDNSYQTLAVEFDTFSNPWDPPQVPHIGIDVNSIRSIKTQPFQLDNGQVANVVIKYDAPSKILHVVLVYPSSGAIYTIAEIVDVKQVLPDWVDVGLSGATGAQRDAAETHDVYSWSFQASLPE 239
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230

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(

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Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: All beta proteins (24004)

Fold: Concanavalin A-like lectins/glucanases (797)

Superfamily: Concanavalin A-like lectins/glucanases (797)

Family: Legume lectins (238)

Protein domain: Legume lectin (110)

Cockspur coral tree (Erythrina crista-galli) [TaxId: 49817] (5)

d1gzca_

Asymmetric Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

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Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Mainly Beta (13760)

Architecture: Sandwich (5577)

Topology: Jelly Rolls (1293)

Homologous Superfamily: [code=2.60.120.200, no name defined] (421)

Cockspur coral tree (Erythrina crista-galli) (5)

1gzcA00

A:1-239

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

Asymmetric Unit(hide GO term definitions)

Chain A (LEC_ERYCG | P83410)

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.

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	Cis Peptide Bonds
		Ala A:88 - Asp A:89	[ RasMol ]
		Arg A:84 - Pro A:85	[ RasMol ]
		Val A:140 - Pro A:141	[ RasMol ]

Biological Unit
	Complete Structure
		Biological Unit 1	[ Jena3D ]

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	1gzc
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	LEC_ERYCG \| P83410	:	1gz9

1gz9	HIGH-RESOLUTION CRYSTAL STRUCTURE OF ERYTHRINA CRISTAGALLI LECTIN IN COMPLEX WITH 2'-ALPHA-L-FUCOSYLLACTOSE

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (3, 3)

Sites (3, 3)

SS Bonds (0, 0)

Cis Peptide Bonds (3, 3)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (1, 1)

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Exons (0, 0)

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