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Title :   DIHYDROPTEROATE SYNTHETASE COMPLEXED WITH OH-CH2-PTERIN-PYROPHOSPHATE FROM STAPHYLOCOCCUS AUREUS

Authors :   C. Oefner, D. Kostrewa

Date :   20 Feb 97 (Deposition) - 29 Apr 98 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.40

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

Keywords :   Transferase, Synthetase, Dihydropteroate Synthetase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   I. C. Hampele, A. D'Arcy, G. E. Dale, D. Kostrewa, J. Nielsen, C. Oefner, M. G. Page, H. J. Schonfeld, D. Stuber, R. L. Then
Structure And Function Of The Dihydropteroate Synthase From Staphylococcus Aureus.
J. Mol. Biol. V. 268 21 1997
PubMed-ID: 9149138 | Reference-DOI: 10.1006/JMBI.1997.0944
(for further references see the PDB file header)

Molecule 1 - DIHYDROPTEROATE SYNTHETASE
	Chains	:	A, B
	EC Number	:	2.5.1.15
	Organism Scientific	:	STAPHYLOCOCCUS AUREUS
	Organism Taxid	:	1280
	Synonym	:	DHPS

		1	2
Asymmetric/Biological Unit	:	A	B

Summary Information (see also Sequences/Alignments below)

Asymmetric/Biological Unit (3, 6)

No.	Name	Count	Type	Full Name
1	HH2	1	Ligand/Ion	6-HYDROXYMETHYLPTERIN-DIPHOSPHATE
2	K	2	Ligand/Ion	POTASSIUM ION
3	MN	3	Ligand/Ion	MANGANESE (II) ION

Asymmetric Unit (6, 6)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	HOH A:357 , HOH A:372 , HIS B:264 , HOH B:416 , HOH B:417	BINDING SITE FOR RESIDUE MN B 1
2	AC2	SOFTWARE	HIS A:264 , HOH A:413 , HOH B:422 , HOH B:423	BINDING SITE FOR RESIDUE MN A 268
3	AC3	SOFTWARE	ASN A:11 , HH2 A:271 , HOH A:362 , HOH A:407	BINDING SITE FOR RESIDUE MN A 269
4	AC4	SOFTWARE	VAL A:75 , PHE A:77 , VAL A:79 , HOH A:383 , HOH A:384	BINDING SITE FOR RESIDUE K A 270
5	AC5	SOFTWARE	VAL B:75 , PHE B:77 , VAL B:79 , HOH B:399	BINDING SITE FOR RESIDUE K B 268
6	AC6	SOFTWARE	ASN A:11 , ARG A:52 , ASP A:84 , ASN A:103 , GLN A:105 , VAL A:126 , MET A:128 , ASP A:167 , PHE A:172 , ALA A:199 , LYS A:203 , ARG A:239 , HIS A:241 , MN A:269 , HOH A:325 , HOH A:336 , HOH A:362	BINDING SITE FOR RESIDUE HH2 A 271

(no "SS Bond" information available for 1AD4)

(no "Cis Peptide Bond" information available for 1AD4)

(no "SAP(SNP)/Variant" information available for 1AD4)

Asymmetric/Biological Unit (3, 6)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	PTERIN_BINDING	PS50972	Pterin-binding domain profile.	DHPS_STAAU	4-251	2	A:4-251 B:4-251
2	DHPS_1	PS00792	Dihydropteroate synthase signature 1.	DHPS_STAAU	6-21	2	A:6-12 B:6-13
3	DHPS_2	PS00793	Dihydropteroate synthase signature 2.	DHPS_STAAU	40-53	2	A:40-53 B:40-49

(no "Exon" information available for 1AD4)

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
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Chain A from PDB  Type:PROTEIN  Length:251
 aligned with DHPS_STAAU | O05701 from UniProtKB/Swiss-Prot  Length:267

    Alignment length:263
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261   
           DHPS_STAAU     2 TKTKIMGILNVTPDSFSDGGKFNNVESAVTRVKAMMDEGADIIDVGGVSTRPGHEMITVEEELNRVLPVVEAIVGFDVKISVDTFRSEVAEACLKLGVDIINDQWAGLYDHRMFQVVAKYDAEIVLMHNGNGNRDEPVVEEMLTSLLAQAHQAKIAGIPSNKIWLDPGIGFAKTRNEEAEVMARLDELVATEYPVLLATSRKRFTKEMMGYDTTPVERDEVTAATTAYGIMKGVRAVRVHNVELNAKLAKGIDFLKENENARH 264
               SCOP domains d1ad4a_ A:             Dihydropteroate synthetase                                                                                                                                                                                                                       SCOP domains
               CATH domains 1ad4A00 A:2            -264 Dihydropteroate (DHP) synthetase                                                                                                                                                                                                            CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeee.------------.hhhhhhhhhhhhh....eeeee............hhhhhhhhhhhhhhh.....eeeee...hhhhhhhhhh...eeee.........hhhhhhhh..eeeee..........hhhhhhhhhhhhhhhhhh....hhheeee........hhhhhhhhhhhhhhhhh...........hhhhhhh.....hhhhhhhhhhhhhhhhhh...eeee..hhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) --PTERIN_BINDING  PDB: A:4-251 UniProt: 4-251                                                                                                                                                                                                             ------------- PROSITE (1)
                PROSITE (2) ----DHPS_1          ------------------DHPS_2        ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ad4 A   2 TKTKIMGILNV------------NVESAVTRVKAMMDEGADIIDVGGVSTRPGHEMITVEEELNRVLPVVEAIVGFDVKISVDTFRSEVAEACLKLGVDIINDQWAGLYDHRMFQVVAKYDAEIVLMHNGNGNRDEPVVEEMLTSLLAQAHQAKIAGIPSNKIWLDPGIGFAKTRNEEAEVMARLDELVATEYPVLLATSRKRFTKEMMGYDTTPVERDEVTAATTAYGIMKGVRAVRVHNVELNAKLAKGIDFLKENENARH 264
                                    11|        -   |    31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261   
                                     12           25

Chain B from PDB  Type:PROTEIN  Length:248
 aligned with DHPS_STAAU | O05701 from UniProtKB/Swiss-Prot  Length:267

    Alignment length:266
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261      
           DHPS_STAAU     2 TKTKIMGILNVTPDSFSDGGKFNNVESAVTRVKAMMDEGADIIDVGGVSTRPGHEMITVEEELNRVLPVVEAIVGFDVKISVDTFRSEVAEACLKLGVDIINDQWAGLYDHRMFQVVAKYDAEIVLMHNGNGNRDEPVVEEMLTSLLAQAHQAKIAGIPSNKIWLDPGIGFAKTRNEEAEVMARLDELVATEYPVLLATSRKRFTKEMMGYDTTPVERDEVTAATTAYGIMKGVRAVRVHNVELNAKLAKGIDFLKENENARHNFS 267
               SCOP domains d1ad4b_ B: D           ihydropteroate synthetase                                                                                                                                                                                                                           SCOP domains
               CATH domains 1ad4B00 B:2-           267 Dihydropteroate (DHP)        synthetase                                                                                                                                                                                                         CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeee..-----------.hhhhhhhhhhhhhh...eeeee..-------...hhhhhhhhhhhhhhh.....eeeee...hhhhhhhhhh...eeee.......hhhhhhhhhh..eeeee..........hhhhhhhhhhhhhhhhhhh...hhheeee........hhhhhhhhh.hhhhhhh..eee......hhhhhhh......hhhhhhhhhhhhhhhhh...eeee..hhhhhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) --PTERIN_BINDING  PDB: B:4-251 UniProt: 4-251                                                                                                                                                                                                             ---------------- PROSITE (1)
                PROSITE (2) ----DHPS_1          ------------------DHPS_2        ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ad4 B   2 TKTKIMGILNVT-----------NVESAVTRVKAMMDEGADIIDVGGV-------MITVEEELNRVLPVVEAIVGFDVKISVDTFRSEVAEACLKLGVDIINDQWAGLYDHRMFQVVAKYDAEIVLMHNGNGNRDEPVVEEMLTSLLAQAHQAKIAGIPSNKIWLDPGIGFAKTRNEEAEVMARLDELVATEYPVLLATSRKRFTKEMMGYDTTPVERDEVTAATTAYGIMKGVRAVRVHNVELNAKLAKGIDFLKENENARHNFS 267
                                    11 |       -   |    31        41       | -     |  61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261      
                                      13          25                      49      57

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(

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Folds(

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Superfamilies( (-)

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Families(

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Protein Domains( (-)

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Organisms( (-)

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

Fold: TIM beta/alpha-barrel (3956)

Superfamily: Dihydropteroate synthetase-like (59)

Family: Dihydropteroate synthetase (40)

Protein domain: Dihydropteroate synthetase (34)

Staphylococcus aureus [TaxId: 1280] (2)

1a	d1ad4a_	A:
1b	d1ad4b_	B:

Asymmetric/Biological Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

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Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Alpha Beta (26913)

Architecture: Alpha-Beta Barrel (2994)

Topology: TIM Barrel (2806)

Homologous Superfamily: Dihydropteroate (DHP) synthetase (30)

Staphylococcus aureus. Organism_taxid: 1280 (2)

1a	1ad4A00	A:2-264
1b	1ad4B00	B:2-267

(no "Pfam Domain" information available for 1AD4)

Asymmetric/Biological Unit(hide GO term definitions)

Chain A,B (DHPS_STAAU | O05701)

molecular function
	GO:0004156	dihydropteroate synthase activity	Catalysis of the reaction: 2-amino-4-hydroxy-6-hydroxymethyl-7,8-dihydropteridine diphosphate + 4-aminobenzoate = diphosphate + dihydropteroate.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
	GO:0016740	transferase activity	Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
	GO:0044237	cellular metabolic process	The chemical reactions and pathways by which individual cells transform chemical substances.
	GO:0046656	folic acid biosynthetic process	The chemical reactions and pathways resulting in the formation of folic acid, pteroylglutamic acid.
	GO:0009396	folic acid-containing compound biosynthetic process	The chemical reactions and pathways resulting in the formation of folic acid and its derivatives.
	GO:0042558	pteridine-containing compound metabolic process	The chemical reactions and pathways involving any compound containing pteridine (pyrazino(2,3-dipyrimidine)), e.g. pteroic acid, xanthopterin and folic acid.
	GO:0046677	response to antibiotic	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 an antibiotic stimulus. An antibiotic is a chemical substance produced by a microorganism which has the capacity to inhibit the growth of or to kill other microorganisms.
	GO:0046654	tetrahydrofolate biosynthetic process	The chemical reactions and pathways resulting in the formation of tetrahydrofolate, 5,6,7,8-tetrahydrofolic acid, a folate derivative bearing additional hydrogens on the pterin group.

Asymmetric/Biological Unit
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Description

Compounds

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Chains, Units

Ligands, Modified Residues, Ions (3, 6)

Sites (6, 6)

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