1T9K - JenaLib

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Biological Unit 2 (Jmol Viewer)

Title :   X-RAY CRYSTAL STRUCTURE OF AIF-2B ALPHA SUBUNIT-RELATED TRANSLATION INITIATION FACTOR [THERMOTOGA MARITIMA]

Authors :   J. Osipiuk, T. Skarina, A. Savchenko, A. Edwards, M. Cymborowski, W. Minor, A. Joachimiak, Midwest Center For Structural Genomics (Mcsg)

Date :   17 May 04 (Deposition) - 08 Jun 04 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.60

Chains :   Asym. Unit : A,B,C,D
Biol. Unit 1: A,B  (1x)
Biol. Unit 2: C,D  (1x)

Keywords :   Structural Genomics, Translation Initiation Factor, Aif-2B Subunit, Psi, Protein Structure Initiative, Midwest Center For Structural Genomics, Mcsg, Isomerase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   J. Osipiuk, T. Skarina, A. Savchenko, A. Edwards, M. Cymborowski, W. Minor, A. Joachimiak
X-Ray Crystal Structure Of Aif-2B Translation Initiation Factor From Thermotoga Maritima
To Be Published
PubMed: search
(for further references see the PDB file header)

Molecule 1 - PROBABLE METHYLTHIORIBOSE-1-PHOSPHATE ISOMERASE
	Chains	:	A, B, C, D
	EC Number	:	5.3.1.23
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Taxid	:	562
	Gene	:	MTNA, TM0911
	Organism Scientific	:	THERMOTOGA MARITIMA
	Organism Taxid	:	2336
	Synonym	:	MTR-1-P ISOMERASE

		1	2	3	4
Asymmetric Unit	:	A	B	C	D
Biological Unit 1 (1x)	:	A	B
Biological Unit 2 (1x)	:			C	D

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (3, 40)

No.	Name	Count	Type	Full Name
1	CL	2	Ligand/Ion	CHLORIDE ION
2	MSE	34	Mod. Amino Acid	SELENOMETHIONINE
3	SO4	4	Ligand/Ion	SULFATE ION

Biological Unit 1 (2, 18)

No.	Name	Count	Type	Full Name
1	CL	-1	Ligand/Ion	CHLORIDE ION
2	MSE	16	Mod. Amino Acid	SELENOMETHIONINE
3	SO4	2	Ligand/Ion	SULFATE ION

Biological Unit 2 (2, 20)

No.	Name	Count	Type	Full Name
1	CL	-1	Ligand/Ion	CHLORIDE ION
2	MSE	18	Mod. Amino Acid	SELENOMETHIONINE
3	SO4	2	Ligand/Ion	SULFATE ION

Asymmetric Unit (6, 6)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ARG A:48 , GLY A:49 , ARG A:88 , CYS A:154 , GLN A:193 , LYS A:245 , HOH A:445	BINDING SITE FOR RESIDUE SO4 A 401
2	AC2	SOFTWARE	ARG C:48 , GLY C:49 , ARG C:88 , GLN C:193 , LYS C:245 , HOH C:436	BINDING SITE FOR RESIDUE SO4 C 403
3	AC3	SOFTWARE	LYS A:256 , ARG B:257	BINDING SITE FOR RESIDUE CL B 406
4	AC4	SOFTWARE	ARG B:48 , GLY B:49 , ARG B:88 , CYS B:154 , GLN B:193 , LYS B:245 , HOH B:442	BINDING SITE FOR RESIDUE SO4 B 411
5	AC5	SOFTWARE	ARG D:48 , GLY D:49 , ARG D:88 , GLN D:193 , LYS D:245 , HOH D:446	BINDING SITE FOR RESIDUE SO4 D 413
6	AC6	SOFTWARE	ARG A:257 , LYS B:256	BINDING SITE FOR RESIDUE CL A 416

Asymmetric Unit

No.	Residues
1	A:294	-	B:294
2	C:294	-	D:294

Asymmetric Unit

No.	Residues
1	Leu A:23	-	Pro A:24
2	Arg A:189	-	Pro A:190
3	Pro A:331	-	Pro A:332
4	Leu B:23	-	Pro B:24
5	Arg B:189	-	Pro B:190
6	Pro B:331	-	Pro B:332
7	Leu C:23	-	Pro C:24
8	Arg C:189	-	Pro C:190
9	Pro C:331	-	Pro C:332
10	Leu D:23	-	Pro D:24
11	Arg D:189	-	Pro D:190
12	Pro D:331	-	Pro D:332

(no "SAP(SNP)/Variant" information available for 1T9K)

(no "PROSITE Motif" information available for 1T9K)

(no "Exon" information available for 1T9K)

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:340
 aligned with MTNA_THEMA | Q9X013 from UniProtKB/Swiss-Prot  Length:343

    Alignment length:340
                                    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
           MTNA_THEMA     3 LKTKTMEWSGNSLKLLDQRKLPFIEEYVECKTHEEVAHAIKEMIVRGAPAIGVAAAFGYVLGLRDYKTGSLTDWMKQVKETLARTRPTAVNLFWALNRMEKVFFENADRENLFEILENEALKMAYEDIEVNKAIGKNGAQLIKDGSTILTHCNAGALATVDYGTALGVIRAAVESGKRIRVFADETRPYLQGARLTAWELMKDGIEVYVITDNMAGWLMKRGLIDAVVVGADRIALNGDTANKIGTYSLAVLAKRNNIPFYVAAPVSTIDPTIRSGEEIPIEERRPEEVTHCGGNRIAPEGVKVLNPAFDVTENTLITAIITEKGVIRPPFEENIKKILE 342
               SCOP domains d1t9ka_ A: Probable methylthioribose-1-phosphate isomerase TM0911                                                                                                                                                                                                                                                                                    SCOP domains
               CATH domains 1t9kA01 A:3-142 translation initiation factor eif-2b, domain 1                                                                              1t9kA02 A:143-342 Translation initiation factor eif-2b; domain 2                                                                                                                                         CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eee....eeee..........eeee.hhhhhhhhhhh....hhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....eeeee....hhhhh....hhhhhhhhhhhh...eeeeee.....hhhhhhhhhhhhh...eeeeehhhhhhhhhhh....eeee...eee....eeee.hhhhhhhhhhhh...eeee.hhh.ee....hhhhh......hhhhhee..ee......ee....eeeehhhhh.eeee..eee..hhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1t9k A   3 LKTKTmEWSGNSLKLLDQRKLPFIEEYVECKTHEEVAHAIKEmIVRGAPAIGVAAAFGYVLGLRDYKTGSLTDWmKQVKETLARTRPTAVNLFWALNRmEKVFFENADRENLFEILENEALKmAYEDIEVNKAIGKNGAQLIKDGSTILTHCNAGALATVDYGTALGVIRAAVESGKRIRVFADETRPYLQGARLTAWELmKDGIEVYVITDNmAGWLmKRGLIDAVVVGADRIALNGDTANKIGTYSLAVLAKRNNIPFYVAAPVSTIDPTIRSGEEIPIEERRPEEVTHCGGNRIAPEGVKVLNPAFDVTENTLITAIITEKGVIRPPFEENIKKILE 342
                                 |  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
                                 8-MSE                               45-MSE                          77-MSE                 101-MSE                 125-MSE                                                                       203-MSE      216-MSE|                                                                                                                         
                                                                                                                                                                                                                                                    221-MSE

Chain B from PDB  Type:PROTEIN  Length:340
 aligned with MTNA_THEMA | Q9X013 from UniProtKB/Swiss-Prot  Length:343

    Alignment length:340
                                    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
           MTNA_THEMA     3 LKTKTMEWSGNSLKLLDQRKLPFIEEYVECKTHEEVAHAIKEMIVRGAPAIGVAAAFGYVLGLRDYKTGSLTDWMKQVKETLARTRPTAVNLFWALNRMEKVFFENADRENLFEILENEALKMAYEDIEVNKAIGKNGAQLIKDGSTILTHCNAGALATVDYGTALGVIRAAVESGKRIRVFADETRPYLQGARLTAWELMKDGIEVYVITDNMAGWLMKRGLIDAVVVGADRIALNGDTANKIGTYSLAVLAKRNNIPFYVAAPVSTIDPTIRSGEEIPIEERRPEEVTHCGGNRIAPEGVKVLNPAFDVTENTLITAIITEKGVIRPPFEENIKKILE 342
               SCOP domains d1t9kb_ B: Probable methylthioribose-1-phosphate isomerase TM0911                                                                                                                                                                                                                                                                                    SCOP domains
               CATH domains 1t9kB01 B:3-142 translation initiation factor eif-2b, domain 1                                                                              1t9kB02 B:143-342 Translation initiation factor eif-2b; domain 2                                                                                                                                         CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eee....eeee..........eeee.hhhhhhhhhhh....hhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....eeeee....hhhhh....hhhhhhhhhhhh...eeeeee.....hhhhhhhhhhhhh...eeeeehhhhhhhhhhh....eeee...ee.....eeee.hhhhhhhhhhhh...eeee.hhhhh.....hhhhh......hhhhhee..ee......ee....eeeehhhhh.eeee..eee..hhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1t9k B   3 LKTKTmEWSGNSLKLLDQRKLPFIEEYVECKTHEEVAHAIKEmIVRGAPAIGVAAAFGYVLGLRDYKTGSLTDWmKQVKETLARTRPTAVNLFWALNRmEKVFFENADRENLFEILENEALKmAYEDIEVNKAIGKNGAQLIKDGSTILTHCNAGALATVDYGTALGVIRAAVESGKRIRVFADETRPYLQGARLTAWELmKDGIEVYVITDNmAGWLmKRGLIDAVVVGADRIALNGDTANKIGTYSLAVLAKRNNIPFYVAAPVSTIDPTIRSGEEIPIEERRPEEVTHCGGNRIAPEGVKVLNPAFDVTENTLITAIITEKGVIRPPFEENIKKILE 342
                                 |  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
                                 8-MSE                               45-MSE                          77-MSE                 101-MSE                 125-MSE                                                                       203-MSE      216-MSE|                                                                                                                         
                                                                                                                                                                                                                                                    221-MSE

Chain C from PDB  Type:PROTEIN  Length:342
 aligned with MTNA_THEMA | Q9X013 from UniProtKB/Swiss-Prot  Length:343

    Alignment length:342
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340  
           MTNA_THEMA     1 MKLKTKTMEWSGNSLKLLDQRKLPFIEEYVECKTHEEVAHAIKEMIVRGAPAIGVAAAFGYVLGLRDYKTGSLTDWMKQVKETLARTRPTAVNLFWALNRMEKVFFENADRENLFEILENEALKMAYEDIEVNKAIGKNGAQLIKDGSTILTHCNAGALATVDYGTALGVIRAAVESGKRIRVFADETRPYLQGARLTAWELMKDGIEVYVITDNMAGWLMKRGLIDAVVVGADRIALNGDTANKIGTYSLAVLAKRNNIPFYVAAPVSTIDPTIRSGEEIPIEERRPEEVTHCGGNRIAPEGVKVLNPAFDVTENTLITAIITEKGVIRPPFEENIKKILE 342
               SCOP domains d1t9kc_ C: Probable methylthioribose-1-phosphate isomerase TM0911                                                                                                                                                                                                                                                                                      SCOP domains
               CATH domains -1t9kC01 C:2-142 translation initiation factor eif-2b, domain 1                                                                               1t9kC02 C:143-342 Translation initiation factor eif-2b; domain 2                                                                                                                                         CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..ee...eee....eeee..........eeee.hhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhh...........eeee....hhhhh....hhhhhhhhhhhhh...eeeee.....hhhhhhhhhhhhhh..eeeee..hhhhhhhhh....eeee...ee.....eeee.hhhhhhhh.......eee..hhhhh.....hhhhh......hhhhhee..ee......ee....eee.hhhhh..eee..eee..hhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1t9k C   1 mKLKTKTmEWSGNSLKLLDQRKLPFIEEYVECKTHEEVAHAIKEmIVRGAPAIGVAAAFGYVLGLRDYKTGSLTDWmKQVKETLARTRPTAVNLFWALNRmEKVFFENADRENLFEILENEALKmAYEDIEVNKAIGKNGAQLIKDGSTILTHCNAGALATVDYGTALGVIRAAVESGKRIRVFADETRPYLQGARLTAWELmKDGIEVYVITDNmAGWLmKRGLIDAVVVGADRIALNGDTANKIGTYSLAVLAKRNNIPFYVAAPVSTIDPTIRSGEEIPIEERRPEEVTHCGGNRIAPEGVKVLNPAFDVTENTLITAIITEKGVIRPPFEENIKKILE 342
                            |      |10        20        30        40    |   50        60        70      | 80        90       100|      110       120    |  130       140       150       160       170       180       190       200  |    210     | 220|      230       240       250       260       270       280       290       300       310       320       330       340  
                            1-MSE  8-MSE                               45-MSE                          77-MSE                 101-MSE                 125-MSE                                                                       203-MSE      216-MSE|                                                                                                                         
                                                                                                                                                                                                                                                      221-MSE

Chain D from PDB  Type:PROTEIN  Length:342
 aligned with MTNA_THEMA | Q9X013 from UniProtKB/Swiss-Prot  Length:343

    Alignment length:342
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340  
           MTNA_THEMA     1 MKLKTKTMEWSGNSLKLLDQRKLPFIEEYVECKTHEEVAHAIKEMIVRGAPAIGVAAAFGYVLGLRDYKTGSLTDWMKQVKETLARTRPTAVNLFWALNRMEKVFFENADRENLFEILENEALKMAYEDIEVNKAIGKNGAQLIKDGSTILTHCNAGALATVDYGTALGVIRAAVESGKRIRVFADETRPYLQGARLTAWELMKDGIEVYVITDNMAGWLMKRGLIDAVVVGADRIALNGDTANKIGTYSLAVLAKRNNIPFYVAAPVSTIDPTIRSGEEIPIEERRPEEVTHCGGNRIAPEGVKVLNPAFDVTENTLITAIITEKGVIRPPFEENIKKILE 342
               SCOP domains d1t9kd_ D: Probable methylthioribose-1-phosphate isomerase TM0911                                                                                                                                                                                                                                                                                      SCOP domains
               CATH domains -1t9kD01 D:2-142 translation initiation factor eif-2b, domain 1                                                                               1t9kD02 D:143-342 Translation initiation factor eif-2b; domain 2                                                                                                                                         CATH domains
           Pfam domains (1) ---------------------------------------------IF-2B-1t9kD01 D:46-331                                                                                                                                                                                                                                                                        ----------- Pfam domains (1)
           Pfam domains (2) ---------------------------------------------IF-2B-1t9kD02 D:46-331                                                                                                                                                                                                                                                                        ----------- Pfam domains (2)
           Pfam domains (3) ---------------------------------------------IF-2B-1t9kD03 D:46-331                                                                                                                                                                                                                                                                        ----------- Pfam domains (3)
           Pfam domains (4) ---------------------------------------------IF-2B-1t9kD04 D:46-331                                                                                                                                                                                                                                                                        ----------- Pfam domains (4)
         Sec.struct. author ..ee...eee....eeee..........eeee.hhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhh...........eeee....hhhhh....hhhhhhhhhhhhh...eeeee.....hhhhhhhhhhhhhh..eeeee..hhhhhhhhh....eeee...ee.....eeee.hhhhhhhh.......eee..hhhhh.....hhhhh......hhhhhh...........ee....eee.hhhhh..eee..eee.......hhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1t9k D   1 mKLKTKTmEWSGNSLKLLDQRKLPFIEEYVECKTHEEVAHAIKEmIVRGAPAIGVAAAFGYVLGLRDYKTGSLTDWmKQVKETLARTRPTAVNLFWALNRmEKVFFENADRENLFEILENEALKmAYEDIEVNKAIGKNGAQLIKDGSTILTHCNAGALATVDYGTALGVIRAAVESGKRIRVFADETRPYLQGARLTAWELmKDGIEVYVITDNmAGWLmKRGLIDAVVVGADRIALNGDTANKIGTYSLAVLAKRNNIPFYVAAPVSTIDPTIRSGEEIPIEERRPEEVTHCGGNRIAPEGVKVLNPAFDVTENTLITAIITEKGVIRPPFEENIKKILE 342
                            |      |10        20        30        40    |   50        60        70      | 80        90       100|      110       120    |  130       140       150       160       170       180       190       200  |    210     | 220|      230       240       250       260       270       280       290       300       310       320       330       340  
                            1-MSE  8-MSE                               45-MSE                          77-MSE                 101-MSE                 125-MSE                                                                       203-MSE      216-MSE|                                                                                                                         
                                                                                                                                                                                                                                                      221-MSE

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(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

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

Fold: NagB/RpiA/CoA transferase-like (94)

Superfamily: NagB/RpiA/CoA transferase-like (94)

Family: IF2B-like (5)

Protein domain: Probable methylthioribose-1-phosphate isomerase TM0911 (1)

Thermotoga maritima [TaxId: 2336] (1)

1a	d1t9ka_	A:
1b	d1t9kb_	B:
1c	d1t9kc_	C:
1d	d1t9kd_	D:

Asymmetric Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Alpha Beta (26913)

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

Topology: Rossmann fold (7312)

Homologous Superfamily: Translation initiation factor eif-2b; domain 2 (8)

Thermotoga maritima. Organism_taxid: 2336. (1)

1a	1t9kA02	A:143-342
1b	1t9kB02	B:143-342
1c	1t9kC02	C:143-342
1d	1t9kD02	D:143-342

Class: Mainly Alpha (13335)

Architecture: Up-down Bundle (3216)

Topology: Four Helix Bundle (Hemerythrin (Met), subunit A) (300)

Homologous Superfamily: translation initiation factor eif-2b, domain 1 (6)

Thermotoga maritima. Organism_taxid: 2336. (1)

2a	1t9kC01	C:2-142
2b	1t9kD01	D:2-142
2c	1t9kA01	A:3-142
2d	1t9kB01	B:3-142

Asymmetric Unit

Clans(

)

Families(

)

Organisms( (-)

)

Clan: ISOCOT_Fold (53)

Family: IF-2B (6)

Thermotoga maritima (1)

1a	IF-2B-1t9kD01	D:46-331
1b	IF-2B-1t9kD02	D:46-331
1c	IF-2B-1t9kD03	D:46-331
1d	IF-2B-1t9kD04	D:46-331

Asymmetric Unit(hide GO term definitions)

Chain A,B,C,D (MTNA_THEMA | Q9X013)

molecular function
	GO:0046523	S-methyl-5-thioribose-1-phosphate isomerase activity	Catalysis of the reaction: S-methyl-5-thio-alpha-D-ribose 1-phosphate = S-methyl-5-thio-D-ribulose 1-phosphate.
	GO:0016853	isomerase activity	Catalysis of the geometric or structural changes within one molecule. Isomerase is the systematic name for any enzyme of EC class 5.
biological process
	GO:0019284	L-methionine salvage from S-adenosylmethionine	The chemical reactions and pathways resulting in the formation of L-methionine from S-adenosylmethionine.
	GO:0019509	L-methionine salvage from methylthioadenosine	The generation of L-methionine (2-amino-4-(methylthio)butanoic acid) from methylthioadenosine.
	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:0044249	cellular biosynthetic process	The chemical reactions and pathways resulting in the formation of substances, carried out by individual cells.
	GO:0044237	cellular metabolic process	The chemical reactions and pathways by which individual cells transform chemical substances.
	GO:0009086	methionine biosynthetic process	The chemical reactions and pathways resulting in the formation of methionine (2-amino-4-(methylthio)butanoic acid), a sulfur-containing, essential amino acid found in peptide linkage in proteins.
cellular component
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

Asymmetric Unit
	Complete Structure
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	Ligands, Modified Residues, Ions
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		AC6	[ RasMol ]	+environment [ RasMol ]

	Cis Peptide Bonds
		Arg A:189 - Pro A:190	[ RasMol ]
		Arg B:189 - Pro B:190	[ RasMol ]
		Arg C:189 - Pro C:190	[ RasMol ]
		Arg D:189 - Pro D:190	[ RasMol ]
		Leu A:23 - Pro A:24	[ RasMol ]
		Leu B:23 - Pro B:24	[ RasMol ]
		Leu C:23 - Pro C:24	[ RasMol ]
		Leu D:23 - Pro D:24	[ RasMol ]
		Pro A:331 - Pro A:332	[ RasMol ]
		Pro B:331 - Pro B:332	[ RasMol ]
		Pro C:331 - Pro C:332	[ RasMol ]
		Pro D:331 - Pro D:332	[ RasMol ]

Biological Units
	Complete Structure
		Biological Unit 1	[ Jena3D ]
		Biological Unit 2	[ Jena3D ]

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Access by PDB/NDB ID
	1t9k
		Family and Domain Information	:	ProDom \| SYSTERS
		General Structural Information	:	GlycoscienceDB \| MMDB \| NDB \| OCA \| PDB \| PDBe \| PDBj \| PDBsum \| PDBWiki \| PQS \| PROTEOPEDIA
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	MTNA_THEMA \| Q9X013
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	MTNA_THEMA \| Q9X013
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(no "Entries Sharing at Least One Protein Chain" available for 1T9K)

(no "Related Entries Specified in the PDB File" available for 1T9K)

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (3, 40)

Sites (6, 6)

SS Bonds (2, 2)

Cis Peptide Bonds (12, 12)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

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Exons (0, 0)

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SCOP Domains (1, 4)

CATH Domains (2, 8)

Pfam Domains (1, 4)

Gene Ontology (9, 9)

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Related Entries Specified in the PDB File