3G76 - JenaLib

Asymmetric Unit (Jmol Viewer)

Asym. Unit - sites (Jmol Viewer)

Biological Unit 1 (Jmol Viewer)

Biol. Unit 1 - sites (Jmol Viewer)

Biological Unit 2 (Jmol Viewer)

Biological Unit 3 (Jmol Viewer)

Biological Unit 4 (Jmol Viewer)

Biological Unit 5 (Jmol Viewer)

Biological Unit 6 (Jmol Viewer)

Biological Unit 7 (Jmol Viewer)

Biological Unit 8 (Jmol Viewer)

Title :   CRYSTAL STRUCTURE OF XIAP-BIR3 IN COMPLEX WITH A BIVALENT COMPOUND

Authors :   F. Cossu, M. Milani, E. Mastrangelo, M. Bolognesi

Date :   09 Feb 09 (Deposition) - 12 May 09 (Release) - 27 Oct 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   3.00

Chains :   Asym. Unit : A,B,C,D,E,F,G,H
Biol. Unit 1: A  (1x)
Biol. Unit 2: B  (1x)
Biol. Unit 3: C  (1x)
Biol. Unit 4: D  (1x)
Biol. Unit 5: E  (1x)
Biol. Unit 6: F  (1x)
Biol. Unit 7: G  (1x)
Biol. Unit 8: H  (1x)

Keywords :   Apoptosis, Iap, Smacdiablo, Peptidomimetics, Pro-Apoptotic Drugs, Cytoplasm, Ligase, Metal-Binding, Phosphoprotein, Polymorphism, Protease Inhibitor, Thiol Protease Inhibitor, Ubl Conjugation, Ubl Conjugation Pathway, Zinc, Zinc-Finger (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   F. Cossu, M. Milani, E. Mastrangelo, P. Vachette, F. Servida, D. Lecis, G. Canevari, D. Delia, C. Drago, V. Rizzo, L. Manzoni, P. Seneci, C. Scolastico, M. Bolognesi
Structural Basis For Bivalent Smac-Mimetics Recognition In The Iap Protein Family
J. Mol. Biol. V. 392 630 2009
PubMed-ID: 19393243 | Reference-DOI: 10.1016/J.JMB.2009.04.033
(for further references see the PDB file header)

Molecule 1 - BACULOVIRAL IAP REPEAT-CONTAINING PROTEIN 4
	Chains	:	A, B, C, D, E, F, G, H
	EC Number	:	6.3.2.-
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Fragment	:	BIR3 DOMAIN, UNP RESIDUES 241-356
	Gene	:	XIAP
	Organism Common	:	HUMAN
	Organism Scientific	:	HOMO SAPIENS
	Organism Taxid	:	9606
	Synonym	:	E3 UBIQUITIN-PROTEIN LIGASE XIAP, INHIBITOR OF APOPTOSIS PROTEIN 3, X-LINKED INHIBITOR OF APOPTOSIS PROTEIN, X-LINKED IAP, IAP-LIKE PROTEIN, HILP

		1	2	3	4	5	6	7	8
Asymmetric Unit	:	A	B	C	D	E	F	G	H
Biological Unit 1 (1x)	:	A
Biological Unit 2 (1x)	:		B
Biological Unit 3 (1x)	:			C
Biological Unit 4 (1x)	:				D
Biological Unit 5 (1x)	:					E
Biological Unit 6 (1x)	:						F
Biological Unit 7 (1x)	:							G
Biological Unit 8 (1x)	:								H

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (2, 16)

No.	Name	Count	Type	Full Name
1	CZ3	8	Ligand/Ion	1,1'-{HEXA-2,4-DIYNE-1,6-DIYLBIS[OXY{(2S,3R)-2-[(N-METHYL-L-ALANYL)AMINO]-1-OXOBUTANE-3,1-DIYL}(2S)PYRROLIDINE-1,2-DIYLMETHANEDIYL]}BIS[5-(PHENYLSULFANYL)-1H-TETRAZOLE]
2	ZN	8	Ligand/Ion	ZINC ION

Biological Unit 1 (1, 1)

No.	Name	Count	Type	Full Name
1	CZ3	1	Ligand/Ion	1,1'-{HEXA-2,4-DIYNE-1,6-DIYLBIS[OXY{(2S,3R)-2-[(N-METHYL-L-ALANYL)AMINO]-1-OXOBUTANE-3,1-DIYL}(2S)PYRROLIDINE-1,2-DIYLMETHANEDIYL]}BIS[5-(PHENYLSULFANYL)-1H-TETRAZOLE]
2	ZN	-1	Ligand/Ion	ZINC ION

Biological Unit 2 (1, 1)

No.	Name	Count	Type	Full Name
1	CZ3	1	Ligand/Ion	1,1'-{HEXA-2,4-DIYNE-1,6-DIYLBIS[OXY{(2S,3R)-2-[(N-METHYL-L-ALANYL)AMINO]-1-OXOBUTANE-3,1-DIYL}(2S)PYRROLIDINE-1,2-DIYLMETHANEDIYL]}BIS[5-(PHENYLSULFANYL)-1H-TETRAZOLE]
2	ZN	-1	Ligand/Ion	ZINC ION

Biological Unit 3 (1, 1)

No.	Name	Count	Type	Full Name
1	CZ3	1	Ligand/Ion	1,1'-{HEXA-2,4-DIYNE-1,6-DIYLBIS[OXY{(2S,3R)-2-[(N-METHYL-L-ALANYL)AMINO]-1-OXOBUTANE-3,1-DIYL}(2S)PYRROLIDINE-1,2-DIYLMETHANEDIYL]}BIS[5-(PHENYLSULFANYL)-1H-TETRAZOLE]
2	ZN	-1	Ligand/Ion	ZINC ION

Biological Unit 4 (1, 1)

No.	Name	Count	Type	Full Name
1	CZ3	1	Ligand/Ion	1,1'-{HEXA-2,4-DIYNE-1,6-DIYLBIS[OXY{(2S,3R)-2-[(N-METHYL-L-ALANYL)AMINO]-1-OXOBUTANE-3,1-DIYL}(2S)PYRROLIDINE-1,2-DIYLMETHANEDIYL]}BIS[5-(PHENYLSULFANYL)-1H-TETRAZOLE]
2	ZN	-1	Ligand/Ion	ZINC ION

Biological Unit 5 (1, 1)

No.	Name	Count	Type	Full Name
1	CZ3	1	Ligand/Ion	1,1'-{HEXA-2,4-DIYNE-1,6-DIYLBIS[OXY{(2S,3R)-2-[(N-METHYL-L-ALANYL)AMINO]-1-OXOBUTANE-3,1-DIYL}(2S)PYRROLIDINE-1,2-DIYLMETHANEDIYL]}BIS[5-(PHENYLSULFANYL)-1H-TETRAZOLE]
2	ZN	-1	Ligand/Ion	ZINC ION

Biological Unit 6 (1, 1)

No.	Name	Count	Type	Full Name
1	CZ3	1	Ligand/Ion	1,1'-{HEXA-2,4-DIYNE-1,6-DIYLBIS[OXY{(2S,3R)-2-[(N-METHYL-L-ALANYL)AMINO]-1-OXOBUTANE-3,1-DIYL}(2S)PYRROLIDINE-1,2-DIYLMETHANEDIYL]}BIS[5-(PHENYLSULFANYL)-1H-TETRAZOLE]
2	ZN	-1	Ligand/Ion	ZINC ION

Biological Unit 7 (1, 1)

No.	Name	Count	Type	Full Name
1	CZ3	1	Ligand/Ion	1,1'-{HEXA-2,4-DIYNE-1,6-DIYLBIS[OXY{(2S,3R)-2-[(N-METHYL-L-ALANYL)AMINO]-1-OXOBUTANE-3,1-DIYL}(2S)PYRROLIDINE-1,2-DIYLMETHANEDIYL]}BIS[5-(PHENYLSULFANYL)-1H-TETRAZOLE]
2	ZN	-1	Ligand/Ion	ZINC ION

Biological Unit 8 (1, 1)

No.	Name	Count	Type	Full Name
1	CZ3	1	Ligand/Ion	1,1'-{HEXA-2,4-DIYNE-1,6-DIYLBIS[OXY{(2S,3R)-2-[(N-METHYL-L-ALANYL)AMINO]-1-OXOBUTANE-3,1-DIYL}(2S)PYRROLIDINE-1,2-DIYLMETHANEDIYL]}BIS[5-(PHENYLSULFANYL)-1H-TETRAZOLE]
2	ZN	-1	Ligand/Ion	ZINC ION

Asymmetric Unit (16, 16)

No.	Name	Evidence	Residues	Description
01	AC1	SOFTWARE	CYS A:300 , CYS A:303 , HIS A:320 , CYS A:327	BINDING SITE FOR RESIDUE ZN A 502
02	AC2	SOFTWARE	HOH A:90 , LEU A:292 , VAL A:298 , GLY A:306 , LEU A:307 , THR A:308 , ASP A:309 , TRP A:310 , GLU A:314 , GLN A:319 , TRP A:323 , TYR A:324 , PHE D:270 , HOH E:468	BINDING SITE FOR RESIDUE CZ3 A 600
03	AC3	SOFTWARE	CYS B:300 , CYS B:303 , HIS B:320 , CYS B:327	BINDING SITE FOR RESIDUE ZN B 502
04	AC4	SOFTWARE	LEU B:292 , LYS B:297 , VAL B:298 , GLY B:306 , LEU B:307 , THR B:308 , GLU B:314 , GLN B:319 , TRP B:323 , TYR B:324 , CZ3 D:600	BINDING SITE FOR RESIDUE CZ3 B 600
05	AC5	SOFTWARE	CYS C:300 , CYS C:303 , HIS C:320 , CYS C:327	BINDING SITE FOR RESIDUE ZN C 502
06	AC6	SOFTWARE	PHE B:270 , HOH C:107 , LEU C:292 , LYS C:297 , VAL C:298 , GLY C:306 , LEU C:307 , THR C:308 , ASP C:309 , TRP C:310 , GLU C:314 , GLN C:319 , TRP C:323 , TYR C:324	BINDING SITE FOR RESIDUE CZ3 C 600
07	AC7	SOFTWARE	CYS D:300 , CYS D:303 , HIS D:320 , CYS D:327	BINDING SITE FOR RESIDUE ZN D 502
08	AC8	SOFTWARE	CZ3 B:600 , HOH D:49 , HOH D:69 , LEU D:292 , GLY D:306 , LEU D:307 , THR D:308 , ASP D:309 , GLU D:314 , GLN D:319 , TRP D:323 , TYR D:324	BINDING SITE FOR RESIDUE CZ3 D 600
09	AC9	SOFTWARE	CYS E:300 , CYS E:303 , HIS E:320 , CYS E:327	BINDING SITE FOR RESIDUE ZN E 502
10	BC1	SOFTWARE	HOH E:1 , HOH E:22 , VAL E:298 , LYS E:299 , GLY E:306 , LEU E:307 , THR E:308 , ASP E:309 , LYS E:311 , GLU E:314 , GLN E:319 , TRP E:323 , TYR E:324 , HOH E:413 , PHE H:270	BINDING SITE FOR RESIDUE CZ3 E 600
11	BC2	SOFTWARE	CYS F:300 , CYS F:303 , HIS F:320 , CYS F:327	BINDING SITE FOR RESIDUE ZN F 502
12	BC3	SOFTWARE	LYS F:297 , GLY F:306 , LEU F:307 , THR F:308 , ASP F:309 , TRP F:310 , GLU F:314 , GLN F:319 , TRP F:323 , TYR F:324 , ARG F:354 , ASP H:309 , CZ3 H:600	BINDING SITE FOR RESIDUE CZ3 F 600
13	BC4	SOFTWARE	CYS G:300 , CYS G:303 , HIS G:320 , CYS G:327	BINDING SITE FOR RESIDUE ZN G 502
14	BC5	SOFTWARE	HOH E:446 , PHE F:270 , HOH G:24 , LYS G:297 , VAL G:298 , GLY G:306 , LEU G:307 , THR G:308 , ASP G:309 , LYS G:311 , GLU G:314 , GLN G:319 , TRP G:323 , TYR G:324	BINDING SITE FOR RESIDUE CZ3 G 600
15	BC6	SOFTWARE	CYS H:300 , CYS H:303 , HIS H:320 , CYS H:327	BINDING SITE FOR RESIDUE ZN H 502
16	BC7	SOFTWARE	HOH F:140 , ASP F:309 , CZ3 F:600 , HOH H:14 , LYS H:297 , GLY H:306 , LEU H:307 , THR H:308 , ASP H:309 , LYS H:311 , GLU H:314 , GLN H:319 , TRP H:323 , TYR H:324	BINDING SITE FOR RESIDUE CZ3 H 600

(no "SS Bond" information available for 3G76)

Asymmetric Unit

No.	Residues
1	His H:346	-	Ser H:347

(no "SAP(SNP)/Variant" information available for 3G76)

Asymmetric Unit (2, 16)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	BIR_REPEAT_1	PS01282	BIR repeat.	XIAP_HUMAN	26-93 163-230 265-330	8	- - A:265-330 B:265-330 C:265-330 D:265-330 E:265-330 F:265-330 G:265-330 H:265-330
2	BIR_REPEAT_2	PS50143	BIR repeat profile.	XIAP_HUMAN	29-94 166-231 268-331	8	- - A:268-331 B:268-331 C:268-331 D:268-331 E:268-331 F:268-331 G:268-331 H:268-331

Biological Unit 1 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	BIR_REPEAT_1	PS01282	BIR repeat.	XIAP_HUMAN	26-93 163-230 265-330	1	- - A:265-330 - - - - - - -
2	BIR_REPEAT_2	PS50143	BIR repeat profile.	XIAP_HUMAN	29-94 166-231 268-331	1	- - A:268-331 - - - - - - -

Biological Unit 2 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	BIR_REPEAT_1	PS01282	BIR repeat.	XIAP_HUMAN	26-93 163-230 265-330	1	- - - B:265-330 - - - - - -
2	BIR_REPEAT_2	PS50143	BIR repeat profile.	XIAP_HUMAN	29-94 166-231 268-331	1	- - - B:268-331 - - - - - -

Biological Unit 3 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	BIR_REPEAT_1	PS01282	BIR repeat.	XIAP_HUMAN	26-93 163-230 265-330	1	- - - - C:265-330 - - - - -
2	BIR_REPEAT_2	PS50143	BIR repeat profile.	XIAP_HUMAN	29-94 166-231 268-331	1	- - - - C:268-331 - - - - -

Biological Unit 4 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	BIR_REPEAT_1	PS01282	BIR repeat.	XIAP_HUMAN	26-93 163-230 265-330	1	- - - - - D:265-330 - - - -
2	BIR_REPEAT_2	PS50143	BIR repeat profile.	XIAP_HUMAN	29-94 166-231 268-331	1	- - - - - D:268-331 - - - -

Biological Unit 5 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	BIR_REPEAT_1	PS01282	BIR repeat.	XIAP_HUMAN	26-93 163-230 265-330	1	- - - - - - E:265-330 - - -
2	BIR_REPEAT_2	PS50143	BIR repeat profile.	XIAP_HUMAN	29-94 166-231 268-331	1	- - - - - - E:268-331 - - -

Biological Unit 6 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	BIR_REPEAT_1	PS01282	BIR repeat.	XIAP_HUMAN	26-93 163-230 265-330	1	- - - - - - - F:265-330 - -
2	BIR_REPEAT_2	PS50143	BIR repeat profile.	XIAP_HUMAN	29-94 166-231 268-331	1	- - - - - - - F:268-331 - -

Biological Unit 7 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	BIR_REPEAT_1	PS01282	BIR repeat.	XIAP_HUMAN	26-93 163-230 265-330	1	- - - - - - - - G:265-330 -
2	BIR_REPEAT_2	PS50143	BIR repeat profile.	XIAP_HUMAN	29-94 166-231 268-331	1	- - - - - - - - G:268-331 -

Biological Unit 8 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	BIR_REPEAT_1	PS01282	BIR repeat.	XIAP_HUMAN	26-93 163-230 265-330	1	- - - - - - - - - H:265-330
2	BIR_REPEAT_2	PS50143	BIR repeat profile.	XIAP_HUMAN	29-94 166-231 268-331	1	- - - - - - - - - H:268-331

Asymmetric Unit (4, 28)

	ENSEMBL					UniProtKB			PDB
No.	Transcript ID	Exon	Exon ID	Genome Location	Length	ID	Location	Length	Count	Location	Length
1.2a	ENST00000371199	2a	ENSE00001810722	X:122993877-122994143	267	XIAP_HUMAN	-	0	0	-	-
1.3c	ENST00000371199	3c	ENSE00002176074	X:123019481-123020389	909	XIAP_HUMAN	1-293	293	8	A:252-293 B:253-293 C:253-293 D:253-293 E:253-293 F:255-293 G:253-293 H:253-293	42 41 41 41 41 39 41 41
1.4b	ENST00000371199	4b	ENSE00001649641	X:123022469-123022568	100	XIAP_HUMAN	293-326	34	8	A:293-326 B:293-326 C:293-326 D:293-326 E:293-326 F:293-326 G:293-326 H:293-326	34 34 34 34 34 34 34 34
1.5b	ENST00000371199	5b	ENSE00001630752	X:123025088-123025166	79	XIAP_HUMAN	326-352	27	8	A:326-348 B:326-352 C:326-348 D:326-352 E:326-347 F:326-352 G:326-347 H:326-352	23 27 23 27 22 27 22 27
1.6	ENST00000371199	6	ENSE00001714518	X:123026581-123026623	43	XIAP_HUMAN	353-367	15	4	- B:353-357 - D:353-357 - F:353-358 - H:353-357	- 5 - 5 - 6 - 5
1.7b	ENST00000371199	7b	ENSE00001653318	X:123034343-123034543	201	XIAP_HUMAN	367-434	68	0	-	-
1.8e	ENST00000371199	8e	ENSE00001454620	X:123040838-123047829	6992	XIAP_HUMAN	434-497	64	0	-	-

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:97
 aligned with XIAP_HUMAN | P98170 from UniProtKB/Swiss-Prot  Length:497

    Alignment length:97
                                   261       271       281       291       301       311       321       331       341       
           XIAP_HUMAN   252 NSTNLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHCGGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHSL 348
               SCOP domains d3g76a_ A: automated matches                                                                      SCOP domains
               CATH domains 3g76A00 A:252-348 Inhibitor Of Apoptosis Protein (2mihbC-IAP-1); Chain A                          CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ............hhhhhhhhh.......hhhhhhhh.eee......eee.....ee.......hhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -------------BIR_REPEAT_1  PDB: A:265-330 UniProt: 265-330                     ------------------ PROSITE (1)
                PROSITE (2) ----------------BIR_REPEAT_2  PDB: A:268-331 UniProt: 268-331                   ----------------- PROSITE (2)
           Transcript 1 (1) Exon 1.3c  PDB: A:252-293 UniProt: 1-293  --------------------------------Exon 1.5b [INCOMPLETE]  Transcript 1 (1)
           Transcript 1 (2) -----------------------------------------Exon 1.4b  PDB: A:293-326         ---------------------- Transcript 1 (2)
                 3g76 A 252 NSTNLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHCGGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHSL 348
                                   261       271       281       291       301       311       321       331       341

Chain B from PDB  Type:PROTEIN  Length:105
 aligned with XIAP_HUMAN | P98170 from UniProtKB/Swiss-Prot  Length:497

    Alignment length:105
                                   262       272       282       292       302       312       322       332       342       352     
           XIAP_HUMAN   253 STNLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHCGGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHSLEECLVRTTE 357
               SCOP domains d3g76b_ B: automated matches                                                                              SCOP domains
               CATH domains 3g76B00 B:253-357 Inhibitor Of Apoptosis Protein (2mihbC-IAP-1); Chain A                                  CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhh.hhhhhhhhhhh....hhhhhhhhheee......eee.....ee.......hhhhhhhhhh..hhhhhhhhhhhhhhhhh....hhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ------------BIR_REPEAT_1  PDB: B:265-330 UniProt: 265-330                     --------------------------- PROSITE (1)
                PROSITE (2) ---------------BIR_REPEAT_2  PDB: B:268-331 UniProt: 268-331                   -------------------------- PROSITE (2)
           Transcript 1 (1) Exon 1.3c  PDB: B:253-293 UniProt: 1-293 --------------------------------Exon 1.5b  PDB: B:326-352  1.6   Transcript 1 (1)
           Transcript 1 (2) ----------------------------------------Exon 1.4b  PDB: B:293-326         ------------------------------- Transcript 1 (2)
                 3g76 B 253 STNLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHCGGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHSLEECLVRTTH 357
                                   262       272       282       292       302       312       322       332       342       352

Chain C from PDB  Type:PROTEIN  Length:96
 aligned with XIAP_HUMAN | P98170 from UniProtKB/Swiss-Prot  Length:497

    Alignment length:96
                                   262       272       282       292       302       312       322       332       342      
           XIAP_HUMAN   253 STNLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHCGGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHSL 348
               SCOP domains d3g76c_ C: automated matches                                                                     SCOP domains
               CATH domains 3g76C00 C:253-348 Inhibitor Of Apoptosis Protein (2mihbC-IAP-1); Chain A                         CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...........hhhhhhh.........hhhhhhhh.eee......eee.....ee.......hhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (1) ------------BIR_REPEAT_1  PDB: C:265-330 UniProt: 265-330                     ------------------ PROSITE (1)
                PROSITE (2) ---------------BIR_REPEAT_2  PDB: C:268-331 UniProt: 268-331                   ----------------- PROSITE (2)
           Transcript 1 (1) Exon 1.3c  PDB: C:253-293 UniProt: 1-293 --------------------------------Exon 1.5b [INCOMPLETE]  Transcript 1 (1)
           Transcript 1 (2) ----------------------------------------Exon 1.4b  PDB: C:293-326         ---------------------- Transcript 1 (2)
                 3g76 C 253 STNLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHCGGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHSL 348
                                   262       272       282       292       302       312       322       332       342

Chain D from PDB  Type:PROTEIN  Length:105
 aligned with XIAP_HUMAN | P98170 from UniProtKB/Swiss-Prot  Length:497

    Alignment length:105
                                   262       272       282       292       302       312       322       332       342       352     
           XIAP_HUMAN   253 STNLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHCGGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHSLEECLVRTTE 357
               SCOP domains d3g76d_ D: automated matches                                                                              SCOP domains
               CATH domains 3g76D00 D:253-357 Inhibitor Of Apoptosis Protein (2mihbC-IAP-1); Chain A                                  CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhh.hhhhhhhhhhh....hhhhhhhh.eee......eee.....ee.......hhhhhhhhhh...hhhhhh.hhhhhhhhhhh...hhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ------------BIR_REPEAT_1  PDB: D:265-330 UniProt: 265-330                     --------------------------- PROSITE (1)
                PROSITE (2) ---------------BIR_REPEAT_2  PDB: D:268-331 UniProt: 268-331                   -------------------------- PROSITE (2)
           Transcript 1 (1) Exon 1.3c  PDB: D:253-293 UniProt: 1-293 --------------------------------Exon 1.5b  PDB: D:326-352  1.6   Transcript 1 (1)
           Transcript 1 (2) ----------------------------------------Exon 1.4b  PDB: D:293-326         ------------------------------- Transcript 1 (2)
                 3g76 D 253 STNLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHCGGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHSLEECLVRTTH 357
                                   262       272       282       292       302       312       322       332       342       352

Chain E from PDB  Type:PROTEIN  Length:95
 aligned with XIAP_HUMAN | P98170 from UniProtKB/Swiss-Prot  Length:497

    Alignment length:95
                                   262       272       282       292       302       312       322       332       342     
           XIAP_HUMAN   253 STNLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHCGGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHS 347
               SCOP domains d3g76e_ E: automated matches                                                                    SCOP domains
               CATH domains 3g76E00 E:253-347 Inhibitor Of Apoptosis Protein (2mihbC-IAP-1); Chain A                        CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhhhhh.........hhhhhhhh.eee......eee..............hhhhhhhhhh..hhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ------------BIR_REPEAT_1  PDB: E:265-330 UniProt: 265-330                     ----------------- PROSITE (1)
                PROSITE (2) ---------------BIR_REPEAT_2  PDB: E:268-331 UniProt: 268-331                   ---------------- PROSITE (2)
           Transcript 1 (1) Exon 1.3c  PDB: E:253-293 UniProt: 1-293 --------------------------------Exon 1.5b [INCOMPLETE] Transcript 1 (1)
           Transcript 1 (2) ----------------------------------------Exon 1.4b  PDB: E:293-326         --------------------- Transcript 1 (2)
                 3g76 E 253 STNLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHCGGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHS 347
                                   262       272       282       292       302       312       322       332       342

Chain F from PDB  Type:PROTEIN  Length:104
 aligned with XIAP_HUMAN | P98170 from UniProtKB/Swiss-Prot  Length:497

    Alignment length:104
                                   264       274       284       294       304       314       324       334       344       354    
           XIAP_HUMAN   255 NLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHCGGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHSLEECLVRTTEK 358
               SCOP domains d3g76f_ F: automated matches                                                                             SCOP domains
               CATH domains 3g76F00 F:255-358 Inhibitor Of Apoptosis Protein (2mihbC-IAP-1); Chain A                                 CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhhhhhhhhhhhh....hhhhhhhh.eee......eee.....ee.......hhhhhhhhhh..hhhhhhhhhhhhhhhhhhhh......hhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ----------BIR_REPEAT_1  PDB: F:265-330 UniProt: 265-330                     ---------------------------- PROSITE (1)
                PROSITE (2) -------------BIR_REPEAT_2  PDB: F:268-331 UniProt: 268-331                   --------------------------- PROSITE (2)
           Transcript 1 (1) Exon 1.3c  PDB: F:255-293 [INCOMPLETE] --------------------------------Exon 1.5b  PDB: F:326-352  1.6    Transcript 1 (1)
           Transcript 1 (2) --------------------------------------Exon 1.4b  PDB: F:293-326         -------------------------------- Transcript 1 (2)
                 3g76 F 255 NLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHCGGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHSLEECLVRTTHH 358
                                   264       274       284       294       304       314       324       334       344       354

Chain G from PDB  Type:PROTEIN  Length:95
 aligned with XIAP_HUMAN | P98170 from UniProtKB/Swiss-Prot  Length:497

    Alignment length:95
                                   262       272       282       292       302       312       322       332       342     
           XIAP_HUMAN   253 STNLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHCGGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHS 347
               SCOP domains d3g76g_ G: automated matches                                                                    SCOP domains
               CATH domains 3g76G00 G:253-347 Inhibitor Of Apoptosis Protein (2mihbC-IAP-1); Chain A                        CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...........hhhhhhhhhh......hhhhhhhh.eee......eee..............hhhhhhhhhh..hhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ------------BIR_REPEAT_1  PDB: G:265-330 UniProt: 265-330                     ----------------- PROSITE (1)
                PROSITE (2) ---------------BIR_REPEAT_2  PDB: G:268-331 UniProt: 268-331                   ---------------- PROSITE (2)
           Transcript 1 (1) Exon 1.3c  PDB: G:253-293 UniProt: 1-293 --------------------------------Exon 1.5b [INCOMPLETE] Transcript 1 (1)
           Transcript 1 (2) ----------------------------------------Exon 1.4b  PDB: G:293-326         --------------------- Transcript 1 (2)
                 3g76 G 253 STNLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHCGGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHS 347
                                   262       272       282       292       302       312       322       332       342

Chain H from PDB  Type:PROTEIN  Length:105
 aligned with XIAP_HUMAN | P98170 from UniProtKB/Swiss-Prot  Length:497

    Alignment length:105
                                   262       272       282       292       302       312       322       332       342       352     
           XIAP_HUMAN   253 STNLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHCGGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHSLEECLVRTTE 357
               SCOP domains d3g76h_ H: automated matches                                                                              SCOP domains
               CATH domains 3g76H00 H:253-357 Inhibitor Of Apoptosis Protein (2mihbC-IAP-1); Chain A                                  CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhhhhhh....hhhhhhhh.eee......eee.....ee.......hhhhhhhhhh..hhhhhhhhhhhhhhhhhh............. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ------------BIR_REPEAT_1  PDB: H:265-330 UniProt: 265-330                     --------------------------- PROSITE (1)
                PROSITE (2) ---------------BIR_REPEAT_2  PDB: H:268-331 UniProt: 268-331                   -------------------------- PROSITE (2)
           Transcript 1 (1) Exon 1.3c  PDB: H:253-293 UniProt: 1-293 --------------------------------Exon 1.5b  PDB: H:326-352  1.6   Transcript 1 (1)
           Transcript 1 (2) ----------------------------------------Exon 1.4b  PDB: H:293-326         ------------------------------- Transcript 1 (2)
                 3g76 H 253 STNLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHCGGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHSLEECLVRTTH 357
                                   262       272       282       292       302       312       322       332       342       352

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: Small proteins (3458)

Fold: Inhibitor of apoptosis (IAP) repeat (71)

Superfamily: Inhibitor of apoptosis (IAP) repeat (71)

Family: Inhibitor of apoptosis (IAP) repeat (70)

Protein domain: automated matches (24)

Human (Homo sapiens) [TaxId: 9606] (24)

1a	d3g76a_	A:
1b	d3g76b_	B:
1c	d3g76c_	C:
1d	d3g76d_	D:
1e	d3g76e_	E:
1f	d3g76f_	F:
1g	d3g76g_	G:
1h	d3g76h_	H:

Asymmetric Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Mainly Alpha (13335)

Architecture: Orthogonal Bundle (10391)

Topology: Inhibitor Of Apoptosis Protein (2mihbC-IAP-1); Chain A (42)

Homologous Superfamily: Inhibitor Of Apoptosis Protein (2mihbC-IAP-1); Chain A (42)

Human (Homo sapiens) (35)

1a	3g76F00	F:255-358
1b	3g76B00	B:253-357
1c	3g76D00	D:253-357
1d	3g76H00	H:253-357
1e	3g76A00	A:252-348
1f	3g76C00	C:253-348
1g	3g76E00	E:253-347
1h	3g76G00	G:253-347

(no "Pfam Domain" information available for 3G76)

Asymmetric Unit(hide GO term definitions)

Chain A,B,C,D,E,F,G,H (XIAP_HUMAN | P98170)

molecular function
	GO:0004869	cysteine-type endopeptidase inhibitor activity	Stops, prevents or reduces the activity of a cysteine-type endopeptidase, any enzyme that hydrolyzes peptide bonds in polypeptides by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile.
	GO:0043027	cysteine-type endopeptidase inhibitor activity involved in apoptotic process	Stops, prevents or reduces the activity of a cysteine-type endopeptidase involved in the apoptotic process.
	GO:0016874	ligase activity	Catalysis of the joining of two substances, or two groups within a single molecule, with the concomitant hydrolysis of the diphosphate bond in ATP or a similar triphosphate.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
	GO:0030414	peptidase inhibitor activity	Stops, prevents or reduces the activity of a peptidase, any enzyme that catalyzes the hydrolysis peptide bonds.
	GO:0005515	protein binding	Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
	GO:0061630	ubiquitin protein ligase activity	Catalysis of the transfer of ubiquitin to a substrate protein via the reaction X-ubiquitin + S -> X + S-ubiquitin, where X is either an E2 or E3 enzyme, the X-ubiquitin linkage is a thioester bond, and the S-ubiquitin linkage is an amide bond: an isopeptide bond between the C-terminal glycine of ubiquitin and the epsilon-amino group of lysine residues in the substrate or, in the linear extension of ubiquitin chains, a peptide bond the between the C-terminal glycine and N-terminal methionine of ubiquitin residues.
	GO:0004842	ubiquitin-protein transferase activity	Catalysis of the transfer of ubiquitin from one protein to another via the reaction X-Ub + Y --> Y-Ub + X, where both X-Ub and Y-Ub are covalent linkages.
	GO:0008270	zinc ion binding	Interacting selectively and non-covalently with zinc (Zn) ions.
biological process
	GO:0016055	Wnt signaling pathway	The series of molecular signals initiated by binding of a Wnt protein to a frizzled family receptor on the surface of the target cell and ending with a change in cell state.
	GO:0006915	apoptotic process	A programmed cell death process which begins when a cell receives an internal (e.g. DNA damage) or external signal (e.g. an extracellular death ligand), and proceeds through a series of biochemical events (signaling pathway phase) which trigger an execution phase. The execution phase is the last step of an apoptotic process, and is typically characterized by rounding-up of the cell, retraction of pseudopodes, reduction of cellular volume (pyknosis), chromatin condensation, nuclear fragmentation (karyorrhexis), plasma membrane blebbing and fragmentation of the cell into apoptotic bodies. When the execution phase is completed, the cell has died.
	GO:0006974	cellular response to DNA damage stimulus	Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating damage to its DNA from environmental insults or errors during metabolism.
	GO:0055070	copper ion homeostasis	Any process involved in the maintenance of an internal steady state of copper ions within an organism or cell.
	GO:1990001	inhibition of cysteine-type endopeptidase activity involved in apoptotic process	Any process that prevents the activation of an inactive cysteine-type endopeptidase involved in an apoptotic process.
	GO:0090307	mitotic spindle assembly	The aggregation, arrangement and bonding together of a set of components to form the spindle that contributes to the process of mitosis.
	GO:0043066	negative regulation of apoptotic process	Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process.
	GO:0043154	negative regulation of cysteine-type endopeptidase activity involved in apoptotic process	Any process that stops, prevents, or reduces the frequency, rate or extent of a cysteine-type endopeptidase activity involved in the apoptotic process.
	GO:0010466	negative regulation of peptidase activity	Any process that stops or reduces the rate of peptidase activity, the hydrolysis of peptide bonds within proteins.
	GO:0090263	positive regulation of canonical Wnt signaling pathway	Any process that increases the rate, frequency, or extent of the Wnt signaling pathway through beta-catenin, the series of molecular signals initiated by binding of a Wnt protein to a frizzled family receptor on the surface of the target cell, followed by propagation of the signal via beta-catenin, and ending with a change in transcription of target genes.
	GO:1902530	positive regulation of protein linear polyubiquitination	Any process that activates or increases the frequency, rate or extent of protein linear polyubiquitination.
	GO:0031398	positive regulation of protein ubiquitination	Any process that activates or increases the frequency, rate or extent of the addition of ubiquitin groups to a protein.
	GO:0016567	protein ubiquitination	The process in which one or more ubiquitin groups are added to a protein.
	GO:0030510	regulation of BMP signaling pathway	Any process that modulates the frequency, rate or extent of the activity of any BMP receptor signaling pathway.
	GO:0042127	regulation of cell proliferation	Any process that modulates the frequency, rate or extent of cell proliferation.
	GO:0050727	regulation of inflammatory response	Any process that modulates the frequency, rate or extent of the inflammatory response, the immediate defensive reaction (by vertebrate tissue) to infection or injury caused by chemical or physical agents.
	GO:0045088	regulation of innate immune response	Any process that modulates the frequency, rate or extent of the innate immune response, the organism's first line of defense against infection.
	GO:0070424	regulation of nucleotide-binding oligomerization domain containing signaling pathway	Any process that modulates the frequency, rate, or extent of a nucleotide-binding oligomerization domain containing (NOD) pathway.
cellular component
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
	GO:0005829	cytosol	The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
	GO:0005654	nucleoplasm	That part of the nuclear content other than the chromosomes or the nucleolus.
	GO:0005634	nucleus	A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
	GO:0005876	spindle microtubule	Any microtubule that is part of a mitotic or meiotic spindle; anchored at one spindle pole.

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	3g76
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1g73	CRYSTAL STRUCTURE OF SMAC BOUND TO XIAP-BIR3 DOMAIN
2jk7	XIAP BIR3 BOUND TO A SMAC MIMETIC
3eyl	CRYSTAL STRUCTURE OF XIAP BIR3 DOMAIN IN COMPLEX WITH A SMAC-MIMETIC COMPOUND

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (2, 16)

Sites (16, 16)

SS Bonds (0, 0)

Cis Peptide Bonds (1, 1)

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Exons (4, 28)

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