1B8G - JenaLib

Asym./Biol. Unit (Jmol Viewer)

Asym./Biol. Unit - sites (Jmol Viewer)

Title :   1-AMINOCYCLOPROPANE-1-CARBOXYLATE SYNTHASE

Authors :   G. Capitani, E. Hohenester, L. Feng, P. Storici, J. F. Kirsch, J. N. Jans

Date :   31 Jan 99 (Deposition) - 26 Jan 00 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.37

Chains :   Asym./Biol. Unit : A,B

Keywords :   Ethylene Biosynthesis, Lyase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   G. Capitani, E. Hohenester, L. Feng, P. Storici, J. F. Kirsch, J. N. Jansonius
Structure Of 1-Aminocyclopropane-1-Carboxylate Synthase, A Key Enzyme In The Biosynthesis Of The Plant Hormone Ethylene.
J. Mol. Biol. V. 294 745 1999
PubMed-ID: 10610793 | Reference-DOI: 10.1006/JMBI.1999.3255

Molecule 1 - PROTEIN (1-AMINOCYCLOPROPANE-1-CARBOXYLATE SYNTHASE)
	Chains	:	A, B
	EC Number	:	4.4.1.14
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Strain	:	BL21(DE3) PLYSS
	Expression System Taxid	:	562
	Expression System Vector	:	PETACS1
	Organism Scientific	:	MALUS X DOMESTICA
	Organism Taxid	:	3750
	Synonym	:	ACC SYNTHASE, S-ADENOSYL-L-METHIONINE METHYLTHIOADENOSINE- LYASE
	Tissue	:	FRUIT CORTICAL TISSUE

		1	2
Asymmetric/Biological Unit	:	A	B

Summary Information (see also Sequences/Alignments below)

Asymmetric/Biological Unit (1, 2)

No.	Name	Count	Type	Full Name
1	PLP	2	Ligand/Ion	PYRIDOXAL-5'-PHOSPHATE

Asymmetric Unit (3, 3)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	GLY A:119 , ALA A:120 , THR A:121 , TYR A:145 , ASN A:202 , ASP A:230 , ILE A:232 , TYR A:233 , SER A:270 , SER A:272 , LYS A:273 , ARG A:281 , HOH A:521	BINDING SITE FOR RESIDUE PLP A 500
2	AC2	SOFTWARE	GLY B:119 , ALA B:120 , THR B:121 , TYR B:145 , ASN B:202 , ILE B:232 , TYR B:233 , SER B:270 , SER B:272 , LYS B:273 , ARG B:281 , HOH B:527	BINDING SITE FOR RESIDUE PLP B 500
3	ACT	AUTHOR	TYR B:85 , THR A:121 , ASN A:202 , ASP A:230 , TYR A:233 , SER A:270 , LYS A:273 , ARG A:281 , ARG A:407	IN THE ACTIVE SITE OF ONE SUBUNIT, TYR 85 IS CONTRIBUTED BY THE OPPOSITE SUBUNIT

(no "SS Bond" information available for 1B8G)

Asymmetric/Biological Unit

No.	Residues
1	Thr A:142	-	Pro A:143
2	Asn A:199	-	Pro A:200
3	Asn A:202	-	Pro A:203
4	Ser A:240	-	Pro A:241
5	Thr B:142	-	Pro B:143
6	Asn B:199	-	Pro B:200
7	Asn B:202	-	Pro B:203
8	Ser B:240	-	Pro B:241

(no "SAP(SNP)/Variant" information available for 1B8G)

Asymmetric/Biological Unit (1, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	AA_TRANSFER_CLASS_1	PS00105	Aminotransferases class-I pyridoxal-phosphate attachment site.	1A1C_MALDO	270-283	2	A:270-283 B:270-283

(no "Exon" information available for 1B8G)

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:421
 aligned with 1A1C_MALDO | P37821 from UniProtKB/Swiss-Prot  Length:473

    Alignment length:428
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382       392       402       412       422        
           1A1C_MALDO     3 MLSRNATFNSHGQDSSYFLGWQEYEKNPYHEVHNTNGIIQMGLAENQLCFDLLESWLAKNPEAAAFKKNGESIFAELALFQDYHGLPAFKKAMVDFMAEIRGNKVTFDPNHLVLTAGATSANETFIFCLADPGEAVLIPTPYYPGFDRDLKWRTGVEIVPIHCTSSNGFQITETALEEAYQEAEKRNLRVKGVLVTNPSNPLGTTMTRNELYLLLSFVEDKGIHLISDEIYSGTAFSSPSFISVMEVLKDRNCDENSEVWQRVHVVYSLSKDLGLPGFRVGAIYSNDDMVVAAATKMSSFGLVSSQTQHLLSAMLSDKKLTKNYIAENHKRLKQRQKKLVSGLQKSGISCLNGNAGLFCWVDMRHLLRSNTFEAEMELWKKIVYEVHLNISPGSSCHCTEPGWFRVCFANLPERTLDLAMQRLKAFVG 430
               SCOP domains d1b8ga_        A: 1-aminocyclopropane-1-carboxylate synthase (ACC synthase)                                                                                                                                                                                                                                                                                                                                                                  SCOP domains
               CATH domains 1b8gA01        A:3-62,A:320-430                             1b8gA02 A:63-319 Type I PLP-dependent aspartate aminotransferase-like (Major domain)                                                                                                                                                                             1b8gA01 A:3-62,A:320-430 Aspartate Aminotransferase, domain 1                                                   CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......-------....hhhhhhhh.......................hhhhhhhhhh...hhh........hhhhhh.......hhhhhhhhhhhhhh........hhheeeeehhhhhhhhhhhhh....eeeeee....hhhhhh.......eeeee...hhh.....hhhhhhhhhhhhh...eeeeeeee...........hhhhhhhhhhhhhh..eeeee...hhh.........hhhhhhh........hhh.eeeeee.......hhh.eeeeee..hhhhhhhhhhhhhh...hhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhh...........eeeee.hhh.....hhhhhhhhhhhhh........hhhh......eeeee.....hhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------AA_TRANSFER_CL--------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1b8g A   3 MLSRNAT-------SSYFLGWQEYEKNPYHEVHNTNGIIQMGLAENQLCFDLLESWLAKNPEAAAFKKNGESIFAELALFQDYHGLPAFKKAMVDFMAEIRGNKVTFDPNHLVLTAGATSANETFIFCLADPGEAVLIPTPYYPGFDRDLKWRTGVEIVPIHCTSSNGFQITETALEEAYQEAEKRNLRVKGVLVTNPSNPLGTTMTRNELYLLLSFVEDKGIHLISDEIYSGTAFSSPSFISVMEVLKDRNCDENSEVWQRVHVVYSLSKDLGLPGFRVGAIYSNDDMVVAAATKMSSFGLVSSQTQHLLSAMLSDKKLTKNYIAENHKRLKQRQKKLVSGLQKSGISCLNGNAGLFCWVDMRHLLRSNTFEAEMELWKKIVYEVHLNISPGSSCHCTEPGWFRVCFANLPERTLDLAMQRLKAFVG 430
                                  |  -    |   22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382       392       402       412       422        
                                  9      17

Chain B from PDB  Type:PROTEIN  Length:425
 aligned with 1A1C_MALDO | P37821 from UniProtKB/Swiss-Prot  Length:473

    Alignment length:429
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382       392       402       412       422         
           1A1C_MALDO     3 MLSRNATFNSHGQDSSYFLGWQEYEKNPYHEVHNTNGIIQMGLAENQLCFDLLESWLAKNPEAAAFKKNGESIFAELALFQDYHGLPAFKKAMVDFMAEIRGNKVTFDPNHLVLTAGATSANETFIFCLADPGEAVLIPTPYYPGFDRDLKWRTGVEIVPIHCTSSNGFQITETALEEAYQEAEKRNLRVKGVLVTNPSNPLGTTMTRNELYLLLSFVEDKGIHLISDEIYSGTAFSSPSFISVMEVLKDRNCDENSEVWQRVHVVYSLSKDLGLPGFRVGAIYSNDDMVVAAATKMSSFGLVSSQTQHLLSAMLSDKKLTKNYIAENHKRLKQRQKKLVSGLQKSGISCLNGNAGLFCWVDMRHLLRSNTFEAEMELWKKIVYEVHLNISPGSSCHCTEPGWFRVCFANLPERTLDLAMQRLKAFVGE 431
               SCOP domains d1b8gb_ B:     1-aminocyclopropane-1-carboxylate synthase (ACC synthase)                                                                                                                                                                                                                                                                                                                                                                      SCOP domains
               CATH domains 1b8gB01 B:    3-62,B:320-429                                1b8gB02 B:63-319 Type I PLP-dependent aspartate aminotransferase-like (Major domain)                                                                                                                                                                             1b8gB01 B:3-62,B:320-429 Aspartate Aminotransferase, domain 1                                                 -- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..........----.hhhhhhhhhhhh......................hhhhhhhhhh...hhh........hhhhhh.......hhhhhhhhhhhhhh........hhheeeee.hhhhhhhhhhhh....eeeeee....hhhhhh.......eeeee...hhh.....hhhhhhhhhhhhh...eeeeeeee...........hhhhhhhhhhhhhh..eeeee...hhh.........hhhhhhh........hhh.eeeeee.......hhh.eeeeee..hhhhhhhhhhhhhh...hhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhh...........eeeee.hhh.....hhhhhhhhhhhhh........hhhh......eeeee.....hhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------AA_TRANSFER_CL---------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1b8g B   3 MLSRNATFNS----SSYFLGWQEYEKNPYHEVHNTNGIIQMGLAENQLCFDLLESWLAKNPEAAAFKKNGESIFAELALFQDYHGLPAFKKAMVDFMAEIRGNKVTFDPNHLVLTAGATSANETFIFCLADPGEAVLIPTPYYPGFDRDLKWRTGVEIVPIHCTSSNGFQITETALEEAYQEAEKRNLRVKGVLVTNPSNPLGTTMTRNELYLLLSFVEDKGIHLISDEIYSGTAFSSPSFISVMEVLKDRNCDENSEVWQRVHVVYSLSKDLGLPGFRVGAIYSNDDMVVAAATKMSSFGLVSSQTQHLLSAMLSDKKLTKNYIAENHKRLKQRQKKLVSGLQKSGISCLNGNAGLFCWVDMRHLLRSNTFEAEMELWKKIVYEVHLNISPGSSCHCTEPGWFRVCFANLPERTLDLAMQRLKAFVGE 431
                                    12    |   22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382       392       402       412       422         
                                    12   17

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/Biological Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

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

Fold: PLP-dependent transferase-like (627)

Superfamily: PLP-dependent transferases (625)

Family: GABA-aminotransferase-like (167)

Protein domain: 1-aminocyclopropane-1-carboxylate synthase (ACC synthase) (7)

Apple (Malus domestica) [TaxId: 3750] (5)

1a	d1b8ga_	A:
1b	d1b8gb_	B:

Asymmetric/Biological Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Alpha Beta (26913)

Architecture: 3-Layer(aba) Sandwich (12045)

Topology: Aspartate Aminotransferase; domain 2 (384)

Homologous Superfamily: Type I PLP-dependent aspartate aminotransferase-like (Major domain) (384)

Malus x domestica. Organism_taxid: 3750. (3)

1a	1b8gA02	A:63-319
1b	1b8gB02	B:63-319

Architecture: Alpha-Beta Complex (3881)

Topology: Aspartate Aminotransferase, domain 1 (355)

Homologous Superfamily: Aspartate Aminotransferase, domain 1 (354)

Malus x domestica. Organism_taxid: 3750. (3)

2a	1b8gB01	B:3-62,B:320-429
2b	1b8gA01	A:3-62,A:320-430

(no "Pfam Domain" information available for 1B8G)

Asymmetric/Biological Unit(hide GO term definitions)

Chain A,B (1A1C_MALDO | P37821)

molecular function
	GO:0016847	1-aminocyclopropane-1-carboxylate synthase activity	Catalysis of the reaction: S-adenosyl-L-methionine(1+) = 1-aminocyclopropane-1-carboxylate + S-methyl-5'-thioadenosine + H(+).
	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: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.
	GO:0042803	protein homodimerization activity	Interacting selectively and non-covalently with an identical protein to form a homodimer.
	GO:0030170	pyridoxal phosphate binding	Interacting selectively and non-covalently with pyridoxal 5' phosphate, 3-hydroxy-5-(hydroxymethyl)-2-methyl4-pyridine carboxaldehyde 5' phosphate, the biologically active form of vitamin B6.
biological process
	GO:0042218	1-aminocyclopropane-1-carboxylate biosynthetic process	The chemical reactions and pathways resulting in the formation of 1-aminocyclopropane-1-carboxylate, a natural product found in plant tissues. It is a key intermediate in the biosynthesis of ethylene (ethene), a fruit-ripening hormone in plants.
	GO:0009058	biosynthetic process	The chemical reactions and pathways resulting in the formation of substances; typically the energy-requiring part of metabolism in which simpler substances are transformed into more complex ones.
	GO:0009693	ethylene biosynthetic process	The chemical reactions and pathways resulting in the formation of ethylene (C2-H4, ethene), a simple hydrocarbon gas that can function in plants as a growth regulator.
	GO:0009835	fruit ripening	An aging process that has as participant a fruit. Ripening causes changes in one or more characteristics of a fruit (color, aroma, flavor, texture, hardness, cell wall structure) and may make it more attractive to animals and aid in seed dispersal.

Asymmetric/Biological Unit
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	Cis Peptide Bonds
		Asn A:199 - Pro A:200	[ RasMol ]
		Asn A:202 - Pro A:203	[ RasMol ]
		Asn B:199 - Pro B:200	[ RasMol ]
		Asn B:202 - Pro B:203	[ RasMol ]
		Ser A:240 - Pro A:241	[ RasMol ]
		Ser B:240 - Pro B:241	[ RasMol ]
		Thr A:142 - Pro A:143	[ RasMol ]
		Thr B:142 - Pro B:143	[ RasMol ]

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	1b8g
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	1A1C_MALDO \| P37821
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	4.4.1.14
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	1A1C_MALDO \| P37821	:	1m4n 1m7y 1ynu 3piu

(no "Related Entries Specified in the PDB File" available for 1B8G)

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (1, 2)

Sites (3, 3)

SS Bonds (0, 0)

Cis Peptide Bonds (8, 8)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

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Exons (0, 0)

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