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(-) Description

Title :  CRYSTAL STRUCTURE OF YEAST ACETOHYDROXYACID SYNTHASE IN COMPLEX WITH A SULFONYLUREA HERBICIDE, METSULFURON METHYL
 
Authors :  J. A. Mccourt, S. S. Pang, L. W. Guddat, R. G. Duggleby
Date :  16 May 04  (Deposition) - 21 Dec 04  (Release) - 01 Sep 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.30
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  C,D  (1x)
Keywords :  Acetohydroxyacid Synthase, Acetolactate Synthase, Herbicide, Sulfonylurea, Thiamin Diphosphate, Fad, Inhibitor, Metsulfuron Methyl, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  J. A. Mccourt, S. S. Pang, L. W. Guddat, R. G. Duggleby
Elucidating The Specificity Of Binding Of Sulfonylurea Herbicides To Acetohydroxyacid Synthase.
Biochemistry V. 44 2330 2005
PubMed-ID: 15709745  |  Reference-DOI: 10.1021/BI047980A
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - ACETOLACTATE SYNTHASE, MITOCHONDRIAL
    ChainsA, B, C, D
    EC Number2.2.1.6
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21(DE3)
    Expression System PlasmidPET30(C)
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    FragmentCATALYTIC SUBUNIT
    GeneILV2, SMR1, YMR108W, YM9718.07
    Organism CommonBAKER'S YEAST
    Organism ScientificSACCHAROMYCES CEREVISIAE
    Organism Taxid4932
    SynonymACETOHYDROXY-ACID SYNTHASE, ALS, AHAS

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit ABCD
Biological Unit 1 (1x)AB  
Biological Unit 2 (1x)  CD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (7, 24)

Asymmetric Unit (7, 24)
No.NameCountTypeFull Name
11MM4Ligand/IonMETHYL 2-[({[(4-METHOXY-6-METHYL-1,3,5-TRIAZIN-2-YL)AMINO]CARBONYL}AMINO)SULFONYL]BENZOATE
2FAD4Ligand/IonFLAVIN-ADENINE DINUCLEOTIDE
3K4Ligand/IonPOTASSIUM ION
4MG4Ligand/IonMAGNESIUM ION
5P222Ligand/IonETHYL DIHYDROGEN DIPHOSPHATE
6P252Ligand/IonPENTYL TRIHYDROGEN DIPHOSPHATE
7PYD4Ligand/Ion2,5-DIMETHYL-PYRIMIDIN-4-YLAMINE
Biological Unit 1 (4, 8)
No.NameCountTypeFull Name
11MM2Ligand/IonMETHYL 2-[({[(4-METHOXY-6-METHYL-1,3,5-TRIAZIN-2-YL)AMINO]CARBONYL}AMINO)SULFONYL]BENZOATE
2FAD2Ligand/IonFLAVIN-ADENINE DINUCLEOTIDE
3K-1Ligand/IonPOTASSIUM ION
4MG-1Ligand/IonMAGNESIUM ION
5P22-1Ligand/IonETHYL DIHYDROGEN DIPHOSPHATE
6P252Ligand/IonPENTYL TRIHYDROGEN DIPHOSPHATE
7PYD2Ligand/Ion2,5-DIMETHYL-PYRIMIDIN-4-YLAMINE
Biological Unit 2 (4, 8)
No.NameCountTypeFull Name
11MM2Ligand/IonMETHYL 2-[({[(4-METHOXY-6-METHYL-1,3,5-TRIAZIN-2-YL)AMINO]CARBONYL}AMINO)SULFONYL]BENZOATE
2FAD2Ligand/IonFLAVIN-ADENINE DINUCLEOTIDE
3K-1Ligand/IonPOTASSIUM ION
4MG-1Ligand/IonMAGNESIUM ION
5P222Ligand/IonETHYL DIHYDROGEN DIPHOSPHATE
6P25-1Ligand/IonPENTYL TRIHYDROGEN DIPHOSPHATE
7PYD2Ligand/Ion2,5-DIMETHYL-PYRIMIDIN-4-YLAMINE

(-) Sites  (24, 24)

Asymmetric Unit (24, 24)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREGLN B:343 , ASP B:350 , GLN B:506 , TRP B:508 , HOH B:4274 , HOH B:5858BINDING SITE FOR RESIDUE K B 696
02AC2SOFTWAREASP B:550 , ASN B:577 , GLU B:579 , P25 B:698 , HOH B:4287BINDING SITE FOR RESIDUE MG B 699
03AC3SOFTWAREGLN A:343 , ASP A:350 , GLN A:506 , TRP A:508 , HOH A:4043 , HOH A:5543BINDING SITE FOR RESIDUE K A 1696
04AC4SOFTWAREASP A:550 , ASN A:577 , GLU A:579 , P25 A:1698 , HOH A:4061BINDING SITE FOR RESIDUE MG A 1699
05AC5SOFTWAREGLN D:343 , ASP D:350 , GLN D:506 , TRP D:508 , HOH D:4801 , HOH D:5353BINDING SITE FOR RESIDUE K D 2696
06AC6SOFTWAREASP D:550 , ASN D:577 , GLU D:579 , P22 D:2702 , HOH D:4819BINDING SITE FOR RESIDUE MG D 2699
07AC7SOFTWAREGLN C:343 , ASP C:350 , GLN C:506 , TRP C:508 , HOH C:5037BINDING SITE FOR RESIDUE K C 3696
08AC8SOFTWAREASP C:550 , ASN C:577 , GLU C:579 , P22 C:3702 , HOH C:5774BINDING SITE FOR RESIDUE MG C 3699
09AC9SOFTWAREMET A:354 , ASP A:379 , ARG A:380 , MET A:582 , TRP A:586 , FAD A:701 , HOH A:4173 , GLY B:116 , ALA B:117 , VAL B:191 , PRO B:192 , PHE B:201 , GLN B:202 , LYS B:251 , HOH B:4143BINDING SITE FOR RESIDUE 1MM A 695
10BC1SOFTWAREVAL B:497 , GLY B:498 , GLN B:499 , HIS B:500 , GLY B:549 , ASP B:550 , ALA B:551 , SER B:552 , ASN B:577 , GLU B:579 , GLN B:580 , GLY B:581 , MET B:582 , MG B:699 , HOH B:4287BINDING SITE FOR RESIDUE P25 B 698
11BC2SOFTWAREASP A:180 , ARG A:241 , GLY A:307 , ALA A:308 , GLY A:309 , ASN A:312 , THR A:334 , LEU A:335 , GLN A:336 , LEU A:352 , GLY A:353 , MET A:354 , HIS A:355 , GLY A:374 , ALA A:375 , ARG A:376 , ASP A:378 , ARG A:380 , VAL A:381 , PHE A:406 , GLU A:407 , VAL A:408 , ASN A:412 , GLY A:425 , ASP A:426 , ALA A:427 , VAL A:497 , GLN A:501 , MET A:502 , GLY A:520 , GLY A:521 , 1MM A:695 , HOH A:4015 , HOH A:4016 , HOH A:4037 , HOH A:4160 , HOH A:5915 , HOH A:6042 , PHE B:201BINDING SITE FOR RESIDUE FAD A 701
12BC3SOFTWAREGLY A:115 , GLU A:139 , PRO A:165 , ASN A:169 , GLN A:202 , GLY B:523 , MET B:525 , MET B:555 , GLN B:580BINDING SITE FOR RESIDUE PYD A 703
13BC4SOFTWAREGLY A:116 , ALA A:117 , VAL A:191 , PRO A:192 , ALA A:200 , PHE A:201 , GLN A:202 , LYS A:251 , ASP B:379 , ARG B:380 , MET B:582 , VAL B:583 , TRP B:586 , FAD B:1701 , HOH B:5600BINDING SITE FOR RESIDUE 1MM B 1695
14BC5SOFTWAREVAL A:497 , GLY A:498 , GLN A:499 , HIS A:500 , MET A:525 , GLY A:549 , ASP A:550 , ALA A:551 , SER A:552 , ASN A:577 , GLU A:579 , GLN A:580 , GLY A:581 , MET A:582 , MG A:1699 , HOH A:4061BINDING SITE FOR RESIDUE P25 A 1698
15BC6SOFTWAREPHE A:201 , ASP B:180 , ARG B:241 , GLY B:307 , ALA B:308 , GLY B:309 , ASN B:312 , THR B:334 , LEU B:335 , GLN B:336 , LEU B:352 , MET B:354 , HIS B:355 , GLY B:374 , ALA B:375 , ARG B:376 , ASP B:378 , ARG B:380 , VAL B:381 , PHE B:406 , GLU B:407 , VAL B:408 , ASN B:412 , GLY B:425 , ASP B:426 , ALA B:427 , GLN B:501 , MET B:502 , SER B:519 , GLY B:520 , GLY B:521 , MET B:582 , 1MM B:1695 , HOH B:4248 , HOH B:4270 , HOH B:4302 , HOH B:4615 , HOH B:5940 , HOH B:5956BINDING SITE FOR RESIDUE FAD B 1701
16BC7SOFTWAREGLY A:523 , MET A:525 , MET A:555 , PRO B:114 , GLY B:115 , GLU B:139 , PRO B:165 , ASN B:169 , GLN B:202BINDING SITE FOR RESIDUE PYD B 1703
17BC8SOFTWAREGLY C:116 , ALA C:117 , VAL C:191 , PRO C:192 , PHE C:201 , LYS C:251 , HOH C:4890 , HOH C:4944 , HOH C:5740 , MET D:354 , ASP D:379 , ARG D:380 , TRP D:586 , FAD D:3701BINDING SITE FOR RESIDUE 1MM C 2695
18BC9SOFTWAREARG C:241 , GLY C:307 , ALA C:308 , GLY C:309 , ASN C:312 , THR C:334 , LEU C:335 , LEU C:352 , GLY C:353 , MET C:354 , HIS C:355 , GLY C:374 , ALA C:375 , ARG C:376 , ASP C:378 , ARG C:380 , VAL C:381 , PHE C:406 , GLU C:407 , VAL C:408 , ASN C:412 , GLY C:425 , ASP C:426 , ALA C:427 , GLN C:501 , MET C:502 , SER C:519 , GLY C:520 , GLY C:521 , 1MM C:3695 , HOH C:5008 , HOH C:5017 , HOH C:5034 , HOH C:5067 , HOH C:5764 , HOH C:6001 , PHE D:201BINDING SITE FOR RESIDUE FAD C 2701
19CC1SOFTWAREVAL D:497 , GLY D:498 , GLN D:499 , HIS D:500 , MET D:525 , GLY D:549 , ASP D:550 , ALA D:551 , SER D:552 , ASN D:577 , GLU D:579 , GLN D:580 , GLY D:581 , MET D:582 , MG D:2699 , HOH D:4819BINDING SITE FOR RESIDUE P22 D 2702
20CC2SOFTWAREPRO C:114 , GLY C:115 , GLU C:139 , PRO C:165 , ASN C:169 , GLN C:202 , GLY D:523 , MET D:525BINDING SITE FOR RESIDUE PYD C 2703
21CC3SOFTWAREMET C:354 , ASP C:379 , ARG C:380 , MET C:582 , VAL C:583 , TRP C:586 , FAD C:2701 , HOH C:4789 , HOH C:5408 , GLY D:116 , ALA D:117 , VAL D:191 , PRO D:192 , PHE D:201 , GLN D:202 , LYS D:251BINDING SITE FOR RESIDUE 1MM C 3695
22CC4SOFTWAREPHE C:201 , 1MM C:2695 , ASP D:180 , ARG D:241 , GLY D:307 , ALA D:308 , GLY D:309 , ASN D:312 , THR D:334 , LEU D:335 , GLN D:336 , LEU D:352 , GLY D:353 , MET D:354 , HIS D:355 , GLY D:374 , ALA D:375 , ARG D:376 , ASP D:378 , ARG D:380 , VAL D:381 , PHE D:406 , GLU D:407 , VAL D:408 , ASN D:412 , GLY D:425 , ASP D:426 , ALA D:427 , GLN D:501 , MET D:502 , SER D:519 , GLY D:520 , GLY D:521 , HOH D:4774 , HOH D:4775 , HOH D:4795 , HOH D:4873 , HOH D:4926 , HOH D:5146BINDING SITE FOR RESIDUE FAD D 3701
23CC5SOFTWAREVAL C:497 , GLY C:498 , GLN C:499 , HIS C:500 , MET C:525 , GLY C:549 , ASP C:550 , ALA C:551 , SER C:552 , ASN C:577 , GLU C:579 , GLN C:580 , GLY C:581 , MET C:582 , MG C:3699 , HOH C:5774BINDING SITE FOR RESIDUE P22 C 3702
24CC6SOFTWAREVAL C:497 , GLY C:523 , MET C:525 , PRO D:114 , GLY D:115 , GLU D:139 , PRO D:165 , ASN D:169 , GLN D:202BINDING SITE FOR RESIDUE PYD D 3703

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1T9D)

(-) Cis Peptide Bonds  (4, 4)

Asymmetric Unit
No.Residues
1Leu A:652 -Pro A:653
2Leu B:652 -Pro B:653
3Leu C:652 -Pro C:653
4Leu D:652 -Pro D:653

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1T9D)

(-) PROSITE Motifs  (1, 4)

Asymmetric Unit (1, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1TPP_ENZYMESPS00187 Thiamine pyrophosphate enzymes signature.ILVB_YEAST533-552
 
 
 
  4A:533-552
B:533-552
C:533-552
D:533-552
Biological Unit 1 (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1TPP_ENZYMESPS00187 Thiamine pyrophosphate enzymes signature.ILVB_YEAST533-552
 
 
 
  2A:533-552
B:533-552
-
-
Biological Unit 2 (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1TPP_ENZYMESPS00187 Thiamine pyrophosphate enzymes signature.ILVB_YEAST533-552
 
 
 
  2-
-
C:533-552
D:533-552

(-) Exons   (1, 4)

Asymmetric Unit (1, 4)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1YMR108W1YMR108W.1XIII:484083-4861462064ILVB_YEAST1-6876874A:85-687 (gaps)
B:86-687 (gaps)
C:89-687 (gaps)
D:85-687 (gaps)
603
602
599
603

(-) Sequences/Alignments

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:596
 aligned with ILVB_YEAST | P07342 from UniProtKB/Swiss-Prot  Length:687

    Alignment length:603
                                    94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474       484       494       504       514       524       534       544       554       564       574       584       594       604       614       624       634       644       654       664       674       684   
           ILVB_YEAST    85 MDTSFVGLTGGQIFNEMMSRQNVDTVFGYPGGAILPVYDAIHNSDKFNFVLPKHEQGAGHMAEGYARASGKPGVVLVTSGPGATNVVTPMADAFADGIPMVVFTGQVPTSAIGTDAFQEADVVGISRSCTKWNVMVKSVEELPLRINEAFEIATSGRPGPVLVDLPKDVTAAILRNPIPTKTTLPSNALNQLTSRAQDEFVMQSINKAADLINLAKKPVLYVGAGILNHADGPRLLKELSDRAQIPVTTTLQGLGSFDQEDPKSLDMLGMHGCATANLAVQNADLIIAVGARFDDRVTGNISKFAPEARRAAAEGRGGIIHFEVSPKNINKVVQTQIAVEGDATTNLGKMMSKIFPVKERSEWFAQINKWKKEYPYAYMEETPGSKIKPQTVIKKLSKVANDTGRHVIVTTGVGQHQMWAAQHWTWRNPHTFITSGGLGTMGYGLPAAIGAQVAKPESLVIDIDGDASFNMTLTELSSAVQAGTPVKILILNNEEQGMVTQWQSLFYEHRYSHTHQLNPDFIKLAEAMGLKGLRVKKQEELDAKLKEFVSTKGPVLLEVEVDKKVPVLPMVAGGSGLDEFINFDPEVERQQTELRHKRTGGKH 687
               SCOP domains ----d1t9da2 A:89-263 Acetohydroxyacid synthase catalytic subunit                                                                                                                   -------------d1t9da1 A:277-460 Acetohydroxyacid synthase catalytic subunit                                                                                                                           d1t9da3 A:461-687 Acetohydroxyacid synthase catalytic subunit                                                                                                                                                                       SCOP domains
               CATH domains 1t9dA01 A:85-277  [code=3.40.50.970, no name defined]                                                                                                                                            1t9dA02 A:278-459 TPP-binding domain                                                                                                                                                  1t9dA03 A:460-687  [code=3.40.50.970, no name defined]                                                                                                                                                                               CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ........hhhhhhhhhhhhh...eeeee....hhhhhhhh......eee...hhhhhhhhhhhhhhhhh..eeeee..hhhhhhhhhhhhhhhhhh..eeeeeee..............hhhhhhhhhh.eeee..hhhhhhhhhhhhhhhhhh....eeeeeeehhhhhh......hhhhhh.-------.hhhhhhhhhhhhhhhhhhhhh...eeeee.hhhhhh.hhhhhhhhhhhhhh..eee.hhhh.........eeee.....hhhhhhhhhhh.eeeee..........hhhhhhhhhhhhhhh...eeeeee.hhhhh.......eeee.hhhhhhhhhhhhh.....hhhhhhhhhhhhhhh.............hhhhhhhhhhhhhhh....eeeee..hhhhhhhhhhh.......ee.........hhhhhhhhhhhhh...eeeeeeehhhhhhhh.hhhhhhhhh...eeeeee...hhhhhhhhhhhh............hhhhhhhhh..eeeee.hhhhhhhhhhhhhhh...eeeeee.......................hhhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------TPP_ENZYMES         --------------------------------------------------------------------------------------------------------------------------------------- PROSITE
               Transcript 1 Exon 1.1  PDB: A:85-687 (gaps) UniProt: 1-687 [INCOMPLETE]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Transcript 1
                 1t9d A  85 MDTSFVGLTGGQIFNEMMSRQNVDTVFGYPGGAILPVYDAIHNSDKFNFVLPKHEQGAGHMAEGYARASGKPGVVLVTSGPGATNVVTPMADAFADGIPMVVFTGQVPTSAIGTDAFQEADVVGISRSCTKWNVMVKSVEELPLRINEAFEIATSGRPGPVLVDLPKDVTAAILRNPIPTKTTLP-------TSRAQDEFVMQSINKAADLINLAKKPVLYVGAGILNHADGPRLLKELSDRAQIPVTTTLQGLGSFDQEDPKSLDMLGMHGCATANLAVQNADLIIAVGARFDDRVTGNISKFAPEARRAAAEGRGGIIHFEVSPKNINKVVQTQIAVEGDATTNLGKMMSKIFPVKERSEWFAQINKWKKEYPYAYMEETPGSKIKPQTVIKKLSKVANDTGRHVIVTTGVGQHQMWAAQHWTWRNPHTFITSGGLGTMGYGLPAAIGAQVAKPESLVIDIDGDASFNMTLTELSSAVQAGTPVKILILNNEEQGMVTQWQSLFYEHRYSHTHQLNPDFIKLAEAMGLKGLRVKKQEELDAKLKEFVSTKGPVLLEVEVDKKVPVLPMVAGGSGLDEFINFDPEVERQQTELRHKRTGGKH 687
                                    94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264    |    -  |    284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474       484       494       504       514       524       534       544       554       564       574       584       594       604       614       624       634       644       654       664       674       684   
                                                                                                                                                                                                                  269     277                                                                                                                                                                                                                                                                                                                                                                                                                          

Chain B from PDB  Type:PROTEIN  Length:582
 aligned with ILVB_YEAST | P07342 from UniProtKB/Swiss-Prot  Length:687

    Alignment length:602
                                    95       105       115       125       135       145       155       165       175       185       195       205       215       225       235       245       255       265       275       285       295       305       315       325       335       345       355       365       375       385       395       405       415       425       435       445       455       465       475       485       495       505       515       525       535       545       555       565       575       585       595       605       615       625       635       645       655       665       675       685  
           ILVB_YEAST    86 DTSFVGLTGGQIFNEMMSRQNVDTVFGYPGGAILPVYDAIHNSDKFNFVLPKHEQGAGHMAEGYARASGKPGVVLVTSGPGATNVVTPMADAFADGIPMVVFTGQVPTSAIGTDAFQEADVVGISRSCTKWNVMVKSVEELPLRINEAFEIATSGRPGPVLVDLPKDVTAAILRNPIPTKTTLPSNALNQLTSRAQDEFVMQSINKAADLINLAKKPVLYVGAGILNHADGPRLLKELSDRAQIPVTTTLQGLGSFDQEDPKSLDMLGMHGCATANLAVQNADLIIAVGARFDDRVTGNISKFAPEARRAAAEGRGGIIHFEVSPKNINKVVQTQIAVEGDATTNLGKMMSKIFPVKERSEWFAQINKWKKEYPYAYMEETPGSKIKPQTVIKKLSKVANDTGRHVIVTTGVGQHQMWAAQHWTWRNPHTFITSGGLGTMGYGLPAAIGAQVAKPESLVIDIDGDASFNMTLTELSSAVQAGTPVKILILNNEEQGMVTQWQSLFYEHRYSHTHQLNPDFIKLAEAMGLKGLRVKKQEELDAKLKEFVSTKGPVLLEVEVDKKVPVLPMVAGGSGLDEFINFDPEVERQQTELRHKRTGGKH 687
               SCOP domains ---d1t9db2 B:89-263 Acetohydroxyacid synthase catalytic subunit                                                                                                                   --------------------d1t9db1 B:284-460 Acetohydroxyacid synthase catalytic subunit                                                                                                                    d1t9db3 B:461-687 Acetohydroxyacid synthase catalytic subunit                                                                                                                                                                       SCOP domains
               CATH domains 1t9dB01 B:86-263  [code=3.40.50.970, no name defined]                                                                                                                             --------------------1t9dB02 B:284-459 TPP-binding domain                                                                                                                                            1t9dB03 B:460-687  [code=3.40.50.970, no name defined]                                                                                                                                                                               CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhh...eeee..hhhhhhhhhhh......eee...hhhhhhhhhhhhhhhhh..eeeee..hhhhhhhhhhhhhhhhhh..eeeeeee..............hhhhhhhhhh.eeee..hhhhhhhhhhhhhhhhhh....eeeeeeehhhhhh.......--------------------hhhhhhhhhhhhhhhh..eeeee.hhhhhh.hhhhhhhhhhhhh...eee.hhhh.........eeee.....hhhhhhhhhhh.eeeee..........hhhhhhhhhhhhhhh...eeeeee.hhhhh.......eeee.hhhhhhhhhhhhh.....hhhhhhhhhhhhhhh.............hhhhhhhhhhhhhhh....eeeee..hhhhhhhhhhh.......ee.........hhhhhhhhhhhhh...eeeeeeehhhhhhhh.hhhhhhhhh...eeeeee...hhhhhhhhhhhh............hhhhhhhhhh.eeeee.hhhhhhhhhhhhhhh...eeeeee.......................hhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------TPP_ENZYMES         --------------------------------------------------------------------------------------------------------------------------------------- PROSITE
               Transcript 1 Exon 1.1  PDB: B:86-687 (gaps) UniProt: 1-687 [INCOMPLETE]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Transcript 1
                 1t9d B  86 DTSFVGLTGGQIFNEMMSRQNVDTVFGYPGGAILPVYDAIHNSDKFNFVLPKHEQGAGHMAEGYARASGKPGVVLVTSGPGATNVVTPMADAFADGIPMVVFTGQVPTSAIGTDAFQEADVVGISRSCTKWNVMVKSVEELPLRINEAFEIATSGRPGPVLVDLPKDVTAAILRNPIP--------------------FVMQSINKAADLINLAKKPVLYVGAGILNHADGPRLLKELSDRAQIPVTTTLQGLGSFDQEDPKSLDMLGMHGCATANLAVQNADLIIAVGARFDDRVTGNISKFAPEARRAAAEGRGGIIHFEVSPKNINKVVQTQIAVEGDATTNLGKMMSKIFPVKERSEWFAQINKWKKEYPYAYMEETPGSKIKPQTVIKKLSKVANDTGRHVIVTTGVGQHQMWAAQHWTWRNPHTFITSGGLGTMGYGLPAAIGAQVAKPESLVIDIDGDASFNMTLTELSSAVQAGTPVKILILNNEEQGMVTQWQSLFYEHRYSHTHQLNPDFIKLAEAMGLKGLRVKKQEELDAKLKEFVSTKGPVLLEVEVDKKVPVLPMVAGGSGLDEFINFDPEVERQQTELRHKRTGGKH 687
                                    95       105       115       125       135       145       155       165       175       185       195       205       215       225       235       245       255       | -         -       285       295       305       315       325       335       345       355       365       375       385       395       405       415       425       435       445       455       465       475       485       495       505       515       525       535       545       555       565       575       585       595       605       615       625       635       645       655       665       675       685  
                                                                                                                                                                                                           263                  284                                                                                                                                                                                                                                                                                                                                                                                                                   

Chain C from PDB  Type:PROTEIN  Length:575
 aligned with ILVB_YEAST | P07342 from UniProtKB/Swiss-Prot  Length:687

    Alignment length:599
                                    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         
           ILVB_YEAST    89 FVGLTGGQIFNEMMSRQNVDTVFGYPGGAILPVYDAIHNSDKFNFVLPKHEQGAGHMAEGYARASGKPGVVLVTSGPGATNVVTPMADAFADGIPMVVFTGQVPTSAIGTDAFQEADVVGISRSCTKWNVMVKSVEELPLRINEAFEIATSGRPGPVLVDLPKDVTAAILRNPIPTKTTLPSNALNQLTSRAQDEFVMQSINKAADLINLAKKPVLYVGAGILNHADGPRLLKELSDRAQIPVTTTLQGLGSFDQEDPKSLDMLGMHGCATANLAVQNADLIIAVGARFDDRVTGNISKFAPEARRAAAEGRGGIIHFEVSPKNINKVVQTQIAVEGDATTNLGKMMSKIFPVKERSEWFAQINKWKKEYPYAYMEETPGSKIKPQTVIKKLSKVANDTGRHVIVTTGVGQHQMWAAQHWTWRNPHTFITSGGLGTMGYGLPAAIGAQVAKPESLVIDIDGDASFNMTLTELSSAVQAGTPVKILILNNEEQGMVTQWQSLFYEHRYSHTHQLNPDFIKLAEAMGLKGLRVKKQEELDAKLKEFVSTKGPVLLEVEVDKKVPVLPMVAGGSGLDEFINFDPEVERQQTELRHKRTGGKH 687
               SCOP domains d1t9dc2 C:89-263 Acetohydroxyacid synthase catalytic subunit                                                                                                                   --------------------------d1t9dc1 C:290-460 Acetohydroxyacid synthase catalytic subunit                                                                                                              d1t9dc3 C:461-687 Acetohydroxyacid synthase catalytic subunit                                                                                                                                                                       SCOP domains
               CATH domains 1t9dC01 C:89-263  [code=3.40.50.970, no name defined]                                                                                                                          1t                        9dC02 C:264-459 TPP-binding domain                                                                                                                                        1t9dC03 C:460-687  [code=3.40.50.970, no name defined]                                                                                                                                                                               CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhhhhhhhh...eeee..hhhhhhhhhhh......eee...hhhhhhhhhhhhhhhhh..eeeee..hhhhhhhhhhhhhhhhh...eeeeeee..............hhhhhhhhhh.eeee..hhhhhhhhhhhhhhhhhh....eeeeeeehhhhhh.........------------------------..hhhhhh....eeeee.hhhhhh.hhhhhhhhhhhhh...eee..............eeee.....hhhhhhhhhh..eeeee..........hhhhhhhhhhhhh.....eeeeee.hhhhh.......eeee.hhhhhhhhhhhhh.....hhhhhhhhhhhhhhh.............hhhhhhhhhhhhhhh....eeeee..hhhhhhhhhh........ee.........hhhhhhhhhhhhh...eeeeeeehhhhhhhh.hhhhhhhhh...eeeeee...hhhhhhhhhhh.............hhhhhhhhhh.eeeee.hhhhhhhhhhhhhhh...eeeeee.......................hhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------TPP_ENZYMES         --------------------------------------------------------------------------------------------------------------------------------------- PROSITE
               Transcript 1 Exon 1.1  PDB: C:89-687 (gaps) UniProt: 1-687 [INCOMPLETE]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Transcript 1
                 1t9d C  89 FVGLTGGQIFNEMMSRQNVDTVFGYPGGAILPVYDAIHNSDKFNFVLPKHEQGAGHMAEGYARASGKPGVVLVTSGPGATNVVTPMADAFADGIPMVVFTGQVPTSAIGTDAFQEADVVGISRSCTKWNVMVKSVEELPLRINEAFEIATSGRPGPVLVDLPKDVTAAILRNPIPTK------------------------NKAADLINLAKKPVLYVGAGILNHADGPRLLKELSDRAQIPVTTTLQGLGSFDQEDPKSLDMLGMHGCATANLAVQNADLIIAVGARFDDRVTGNISKFAPEARRAAAEGRGGIIHFEVSPKNINKVVQTQIAVEGDATTNLGKMMSKIFPVKERSEWFAQINKWKKEYPYAYMEETPGSKIKPQTVIKKLSKVANDTGRHVIVTTGVGQHQMWAAQHWTWRNPHTFITSGGLGTMGYGLPAAIGAQVAKPESLVIDIDGDASFNMTLTELSSAVQAGTPVKILILNNEEQGMVTQWQSLFYEHRYSHTHQLNPDFIKLAEAMGLKGLRVKKQEELDAKLKEFVSTKGPVLLEVEVDKKVPVLPMVAGGSGLDEFINFDPEVERQQTELRHKRTGGKH 687
                                    98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258      |  -         -         - |     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         
                                                                                                                                                                                                          265                      290                                                                                                                                                                                                                                                                                                                                                                                                             

Chain D from PDB  Type:PROTEIN  Length:596
 aligned with ILVB_YEAST | P07342 from UniProtKB/Swiss-Prot  Length:687

    Alignment length:603
                                    94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474       484       494       504       514       524       534       544       554       564       574       584       594       604       614       624       634       644       654       664       674       684   
           ILVB_YEAST    85 MDTSFVGLTGGQIFNEMMSRQNVDTVFGYPGGAILPVYDAIHNSDKFNFVLPKHEQGAGHMAEGYARASGKPGVVLVTSGPGATNVVTPMADAFADGIPMVVFTGQVPTSAIGTDAFQEADVVGISRSCTKWNVMVKSVEELPLRINEAFEIATSGRPGPVLVDLPKDVTAAILRNPIPTKTTLPSNALNQLTSRAQDEFVMQSINKAADLINLAKKPVLYVGAGILNHADGPRLLKELSDRAQIPVTTTLQGLGSFDQEDPKSLDMLGMHGCATANLAVQNADLIIAVGARFDDRVTGNISKFAPEARRAAAEGRGGIIHFEVSPKNINKVVQTQIAVEGDATTNLGKMMSKIFPVKERSEWFAQINKWKKEYPYAYMEETPGSKIKPQTVIKKLSKVANDTGRHVIVTTGVGQHQMWAAQHWTWRNPHTFITSGGLGTMGYGLPAAIGAQVAKPESLVIDIDGDASFNMTLTELSSAVQAGTPVKILILNNEEQGMVTQWQSLFYEHRYSHTHQLNPDFIKLAEAMGLKGLRVKKQEELDAKLKEFVSTKGPVLLEVEVDKKVPVLPMVAGGSGLDEFINFDPEVERQQTELRHKRTGGKH 687
               SCOP domains ----d1t9dd2 D:89-263 Acetohydroxyacid synthase catalytic subunit                                                                                                                   --------------------------d1t9dd1 D:290-460 Acetohydroxyacid synthase catalytic subunit                                                                                                              d1t9dd3 D:461-687 Acetohydroxyacid synthase catalytic subunit                                                                                                                                                                       SCOP domains
               CATH domains 1t9dD01 D:85-270  [code=3.40.50.970, no name defined]                                                                                                                                     -------1t9dD02 D:278-459 TPP-binding domain                                                                                                                                                  1t9dD03 D:460-687  [code=3.40.50.970, no name defined]                                                                                                                                                                               CATH domains
           Pfam domains (1) -------TPP_enzyme_N-1t9dD09 D:92-262                                                                                                                                              --------------------------TPP_enzyme_M-1t9dD01 D:289-435                                                                                                                     ------------------------------------------------------------TPP_enzyme_C-1t9dD05 D:496-643                                                                                                                      -------------------------------------------- Pfam domains (1)
           Pfam domains (2) -------TPP_enzyme_N-1t9dD10 D:92-262                                                                                                                                              --------------------------TPP_enzyme_M-1t9dD02 D:289-435                                                                                                                     ------------------------------------------------------------TPP_enzyme_C-1t9dD06 D:496-643                                                                                                                      -------------------------------------------- Pfam domains (2)
           Pfam domains (3) -------TPP_enzyme_N-1t9dD11 D:92-262                                                                                                                                              --------------------------TPP_enzyme_M-1t9dD03 D:289-435                                                                                                                     ------------------------------------------------------------TPP_enzyme_C-1t9dD07 D:496-643                                                                                                                      -------------------------------------------- Pfam domains (3)
           Pfam domains (4) -------TPP_enzyme_N-1t9dD12 D:92-262                                                                                                                                              --------------------------TPP_enzyme_M-1t9dD04 D:289-435                                                                                                                     ------------------------------------------------------------TPP_enzyme_C-1t9dD08 D:496-643                                                                                                                      -------------------------------------------- Pfam domains (4)
         Sec.struct. author ........hhhhhhhhhhhhh...eeeee....hhhhhhhh......eee...hhhhhhhhhhhhhhhhh..eeeee..hhhhhhhhhhhhhhhhhh..eeeeeee..............hhhhhhhhhh.eeee..hhhhhhhhhhhhhhhhhh....eeeeeeehhhhhh......hhhhh...-------hhhhhhhhhhhhhhhhhhhhhh..eeeee.hhhhh..hhhhhhhhhhhhh...eee.hhhh.........eeee.....hhhhhhhhhhh.eeeee....hhhhhhhhhhhhhhhhhhhhh...eeeeee.hhhhh.......eeee.hhhhhhhhhhhhh.....hhhhhhhhhhhhhhh.............hhhhhhhhhhhhhhh....eeeee..hhhhhhhhhhh.......ee.........hhhhhhhhhhhhh...eeeeeeehhhhhhhh.hhhhhhhhh...eeeeee...hhhhhhhhhhhh............hhhhhhhhhh.eeeee....hhhhhhhhhhhh...eeeeee.......................hhhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------TPP_ENZYMES         --------------------------------------------------------------------------------------------------------------------------------------- PROSITE
               Transcript 1 Exon 1.1  PDB: D:85-687 (gaps) UniProt: 1-687 [INCOMPLETE]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Transcript 1
                 1t9d D  85 MDTSFVGLTGGQIFNEMMSRQNVDTVFGYPGGAILPVYDAIHNSDKFNFVLPKHEQGAGHMAEGYARASGKPGVVLVTSGPGATNVVTPMADAFADGIPMVVFTGQVPTSAIGTDAFQEADVVGISRSCTKWNVMVKSVEELPLRINEAFEIATSGRPGPVLVDLPKDVTAAILRNPIPTKTTLPS-------SRAQDEFVMQSINKAADLINLAKKPVLYVGAGILNHADGPRLLKELSDRAQIPVTTTLQGLGSFDQEDPKSLDMLGMHGCATANLAVQNADLIIAVGARFDDRVTGNISKFAPEARRAAAEGRGGIIHFEVSPKNINKVVQTQIAVEGDATTNLGKMMSKIFPVKERSEWFAQINKWKKEYPYAYMEETPGSKIKPQTVIKKLSKVANDTGRHVIVTTGVGQHQMWAAQHWTWRNPHTFITSGGLGTMGYGLPAAIGAQVAKPESLVIDIDGDASFNMTLTELSSAVQAGTPVKILILNNEEQGMVTQWQSLFYEHRYSHTHQLNPDFIKLAEAMGLKGLRVKKQEELDAKLKEFVSTKGPVLLEVEVDKKVPVLPMVAGGSGLDEFINFDPEVERQQTELRHKRTGGKH 687
                                    94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264     |   -   |   284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474       484       494       504       514       524       534       544       554       564       574       584       594       604       614       624       634       644       654       664       674       684   
                                                                                                                                                                                                                   270     278                                                                                                                                                                                                                                                                                                                                                                                                                         

   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 '|'

 Classification and Annotation

(-) SCOP Domains  (3, 12)

Asymmetric Unit

(-) CATH Domains  (2, 12)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (3, 12)

Asymmetric Unit
(-)
Clan: FAD_DHS (82)

(-) Gene Ontology  (13, 13)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D   (ILVB_YEAST | P07342)
molecular function
    GO:0003984    acetolactate synthase activity    Catalysis of the reaction: 2 pyruvate = 2-acetolactate + CO2.
    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:0050660    flavin adenine dinucleotide binding    Interacting selectively and non-covalently with FAD, flavin-adenine dinucleotide, the coenzyme or the prosthetic group of various flavoprotein oxidoreductase enzymes, in either the oxidized form, FAD, or the reduced form, FADH2.
    GO:0000287    magnesium ion binding    Interacting selectively and non-covalently with magnesium (Mg) ions.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0030976    thiamine pyrophosphate binding    Interacting selectively and non-covalently with thiamine pyrophosphate, the diphosphoric ester of thiamine. Acts as a coenzyme of several (de)carboxylases, transketolases, and alpha-oxoacid dehydrogenases.
    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:0009082    branched-chain amino acid biosynthetic process    The chemical reactions and pathways resulting in the formation of amino acids containing a branched carbon skeleton, comprising isoleucine, leucine and valine.
    GO:0008652    cellular amino acid biosynthetic process    The chemical reactions and pathways resulting in the formation of amino acids, organic acids containing one or more amino substituents.
    GO:0009097    isoleucine biosynthetic process    The chemical reactions and pathways resulting in the formation of isoleucine, (2R*,3R*)-2-amino-3-methylpentanoic acid.
    GO:0009099    valine biosynthetic process    The chemical reactions and pathways resulting in the formation of valine, 2-amino-3-methylbutanoic acid.
cellular component
    GO:0005948    acetolactate synthase complex    A dimeric (a large and a small chain) or tetrameric (two large and two small chains) enzyme complex. Catalyzes the formation of acetolactate from pyruvate.
    GO:0005739    mitochondrion    A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        ILVB_YEAST | P073421jsc 1n0h 1t9a 1t9b 1t9c 5fem 5ims 5inu 5inv

(-) Related Entries Specified in the PDB File

1n0h CRYSTAL STRUCTURE OF YEAST ACETOHYDROXYACID SYNTHASE IN COMPLEX WITH A SULFONYLUREA HERBICIDE, CHLORIMURON ETHYL
1t9a CRYSTAL STRUCTURE OF YEAST ACETOHYDROXYACID SYNTHASE IN COMPLEX WITH A SULFONYLUREA HERBICIDE,TRIBENURON METHYL
1t9b CRYSTAL STRUCTURE OF YEAST ACETOHYDROXYACID SYNTHASE IN COMPLEX WITH A SULFONYLUREA HERBICIDE, CHLORSULFURON
1t9c CRYSTAL STRUCTURE OF YEAST ACETOHYDROXYACID SYNTHASE IN COMPLEX WITH A SULFONYLUREA HERBICIDE, SULFOMETURON METHYL