3D87 - 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)

Title :   CRYSTAL STRUCTURE OF INTERLEUKIN-23

Authors :   B. M. Beyer, R. Ingram, L. Ramanathan, P. Reichert, H. Le, V. Madison

Date :   22 May 08 (Deposition) - 02 Sep 08 (Release) - 23 Dec 08 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.90

Chains :   Asym. Unit : A,B,C,D
Biol. Unit 1: A,B,C,D  (1x)
Biol. Unit 2: A,B  (1x)
Biol. Unit 3: C,D  (1x)

Keywords :   Interleukin-23, Fab, Cytokine (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   B. M. Beyer, R. Ingram, L. Ramanathan, P. Reichert, H. V. Le, V. Madison, P. Orth
Crystal Structures Of The Pro-Inflammatory Cytokine Interleukin-23 And Its Complex With A High-Affinity Neutralizing Antibody
J. Mol. Biol. V. 382 942 2008
PubMed-ID: 18708069 | Reference-DOI: 10.1016/J.JMB.2008.08.001
(for further references see the PDB file header)

Molecule 1 - INTERLEUKIN-23 SUBUNIT P19
	Chains	:	A, C
	Engineered	:	YES
	Expression System	:	TRICHOPLUSIA NI
	Expression System Cell Line	:	HI-FIVE CELLS
	Expression System Common	:	CABBAGE LOOPER
	Expression System Plasmid	:	PFASTBAC DUAL
	Expression System Taxid	:	7111
	Expression System Vector Type	:	BACULOVIRUS
	Fragment	:	SUBUNIT P19
	Gene	:	IL23A, SGRF, UNQ2498/PRO5798
	Organism Common	:	HUMAN
	Organism Scientific	:	HOMO SAPIENS
	Organism Taxid	:	9606
	Synonym	:	INTERLEUKIN-23 SUBUNIT ALPHA

Molecule 2 - INTERLEUKIN-12 SUBUNIT P40
	Chains	:	B, D
	Engineered	:	YES
	Expression System	:	TRICHOPLUSIA NI
	Expression System Cell Line	:	HI-FIVE CELLS
	Expression System Common	:	CABBAGE LOOPER
	Expression System Plasmid	:	PFASTBAC DUAL
	Expression System Taxid	:	7111
	Expression System Vector Type	:	BACULOVIRUS
	Fragment	:	SUBUNIT P40
	Gene	:	IL12B, NKSF2
	Mutation	:	YES
	Organism Common	:	HUMAN
	Organism Scientific	:	HOMO SAPIENS
	Organism Taxid	:	9606
	Synonym	:	IL-12B

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

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (3, 5)

No.	Name	Count	Type	Full Name
1	K	2	Ligand/Ion	POTASSIUM ION
2	MAN	1	Ligand/Ion	ALPHA-D-MANNOSE
3	PO4	2	Ligand/Ion	PHOSPHATE ION

Biological Unit 1 (2, 3)

No.	Name	Count	Type	Full Name
1	K	-1	Ligand/Ion	POTASSIUM ION
2	MAN	1	Ligand/Ion	ALPHA-D-MANNOSE
3	PO4	2	Ligand/Ion	PHOSPHATE ION

Biological Unit 2 (1, 1)

No.	Name	Count	Type	Full Name
1	K	-1	Ligand/Ion	POTASSIUM ION
2	MAN	-1	Ligand/Ion	ALPHA-D-MANNOSE
3	PO4	1	Ligand/Ion	PHOSPHATE ION

Biological Unit 3 (2, 2)

No.	Name	Count	Type	Full Name
1	K	-1	Ligand/Ion	POTASSIUM ION
2	MAN	1	Ligand/Ion	ALPHA-D-MANNOSE
3	PO4	1	Ligand/Ion	PHOSPHATE ION

Asymmetric Unit (5, 5)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ARG D:279 , ASN D:281 , ALA D:282	BINDING SITE FOR RESIDUE MAN D 1281
2	AC2	SOFTWARE	ARG B:266 , ARG B:287	BINDING SITE FOR RESIDUE PO4 B 5001
3	AC3	SOFTWARE	GLN D:254 , ARG D:287	BINDING SITE FOR RESIDUE PO4 D 5002
4	AC4	SOFTWARE	THR D:92 , ASP D:93 , LEU D:95	BINDING SITE FOR RESIDUE K D 5003
5	AC5	SOFTWARE	THR B:92 , LEU B:95	BINDING SITE FOR RESIDUE K B 5004

(no "SS Bond" information available for 3D87)

Asymmetric Unit

No.	Residues
1	Asp A:36	-	Leu A:37
2	Glu A:39	-	Glu A:40
3	Glu A:93	-	Pro A:94
4	Ser A:132	-	Pro A:133
5	Pro B:101	-	Lys B:102
6	Thr B:242	-	Pro B:243
7	Ser C:8	-	Pro C:9
8	Asp C:36	-	Leu C:37
9	Glu C:93	-	Pro C:94
10	Ser C:132	-	Pro C:133
11	Ser C:169	-	Pro C:170
12	Tyr D:16	-	Pro D:17
13	Ala D:19	-	Pro D:20
14	Pro D:101	-	Lys D:102
15	Thr D:242	-	Pro D:243

Asymmetric Unit (2, 4)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_020001	V	33	I	IL12B_HUMAN	Polymorphism	3213096	B/D	V	11	I
2	UniProt	VAR_049170	V	298	F	IL12B_HUMAN	Polymorphism	3213119	B/D	V	276	F

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

Biological Unit 1 (2, 4)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_020001	V	33	I	IL12B_HUMAN	Polymorphism	3213096	B/D	V	11	I
2	UniProt	VAR_049170	V	298	F	IL12B_HUMAN	Polymorphism	3213119	B/D	V	276	F

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

Biological Unit 2 (2, 2)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_020001	V	33	I	IL12B_HUMAN	Polymorphism	3213096	B	V	11	I
2	UniProt	VAR_049170	V	298	F	IL12B_HUMAN	Polymorphism	3213119	B	V	276	F

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

Biological Unit 3 (2, 2)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_020001	V	33	I	IL12B_HUMAN	Polymorphism	3213096	D	V	11	I
2	UniProt	VAR_049170	V	298	F	IL12B_HUMAN	Polymorphism	3213119	D	V	276	F

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

Asymmetric Unit (2, 4)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	HEMATOPO_REC_L_F3	PS01354	Long hematopoietin receptor, soluble alpha chains family signature.	IL12B_HUMAN	233-275	2	B:211-253 D:211-253
2	FN3	PS50853	Fibronectin type-III domain profile.	IL12B_HUMAN	237-328	2	B:215-306 D:215-305

Biological Unit 1 (2, 4)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	HEMATOPO_REC_L_F3	PS01354	Long hematopoietin receptor, soluble alpha chains family signature.	IL12B_HUMAN	233-275	2	B:211-253 D:211-253
2	FN3	PS50853	Fibronectin type-III domain profile.	IL12B_HUMAN	237-328	2	B:215-306 D:215-305

Biological Unit 2 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	HEMATOPO_REC_L_F3	PS01354	Long hematopoietin receptor, soluble alpha chains family signature.	IL12B_HUMAN	233-275	1	B:211-253 -
2	FN3	PS50853	Fibronectin type-III domain profile.	IL12B_HUMAN	237-328	1	B:215-306 -

Biological Unit 3 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	HEMATOPO_REC_L_F3	PS01354	Long hematopoietin receptor, soluble alpha chains family signature.	IL12B_HUMAN	233-275	1	- D:211-253
2	FN3	PS50853	Fibronectin type-III domain profile.	IL12B_HUMAN	237-328	1	- D:215-305

Asymmetric Unit (6, 12)

	ENSEMBL					UniProtKB			PDB
No.	Transcript ID	Exon	Exon ID	Genome Location	Length	ID	Location	Length	Count	Location	Length
1.1	ENST00000231228	1	ENSE00001230769	chr5:158757895-158757440	456	IL12B_HUMAN	-	0	0	-	-
1.2	ENST00000231228	2	ENSE00000797276	chr5:158753790-158753703	88	IL12B_HUMAN	1-30	30	2	B:1-8 D:1-8	8 8
1.3	ENST00000231228	3	ENSE00000768666	chr5:158750337-158750062	276	IL12B_HUMAN	30-122	93	2	B:8-100 D:8-100	93 93
1.4	ENST00000231228	4	ENSE00000768664	chr5:158749519-158749402	118	IL12B_HUMAN	122-161	40	2	B:100-139 D:100-139	40 40
1.5	ENST00000231228	5	ENSE00000768662	chr5:158747528-158747314	215	IL12B_HUMAN	161-233	73	2	B:139-211 D:139-211	73 73
1.6	ENST00000231228	6	ENSE00000768660	chr5:158745901-158745744	158	IL12B_HUMAN	233-285	53	2	B:211-256 D:211-255	46 45
1.7	ENST00000231228	7	ENSE00001371782	chr5:158743824-158743693	132	IL12B_HUMAN	286-328	43	2	B:265-306 D:265-305	42 41
1.8	ENST00000231228	8	ENSE00000797274	chr5:158743108-158741791	1318	IL12B_HUMAN	-	0	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:161
 aligned with IL23A_HUMAN | Q9NPF7 from UniProtKB/Swiss-Prot  Length:189

    Alignment length:168
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179        
          IL23A_HUMAN    20 RAVPGGSSPAWTQCQQLSQKLCTLAWSAHPLVGHMDLREEGDEETTNDVPHIQCGDGCDPQGLRDNSQFCLQRIHQGLIFYEKLLGSDIFTGEPSLLPDSPVGQLHASLLGLSQLLQPEGHHWETQQIPSLSPSQPWQRLLLRFKILRSLQAFVAVAARVFAHGAATL 187
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .........hhhhhhhhhhhhhhhh...............-------.....hhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhh............hhhhhhhhhhhhhhhhhh.................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3d87 A   1 RAVPGGSSPAWTQCQQLSQKLCTLAWSAHPLVGHMDLREE-------DVPHIQCGDGCDPQGLRDNSQFCLQRIHQGLIFYEKLLGSDIFTGEPSLLPDSPVGQLHASLLGLSQLLQPEGHHWETQQIPSLSPSQPWQRLLLRFKILRSLQAFVAVAARVFAHGAATL 168
                                    10        20        30        40       |50        60        70        80        90       100       110       120       130       140       150       160        
                                                                  40      48

Chain B from PDB  Type:PROTEIN  Length:298
 aligned with IL12B_HUMAN | P29460 from UniProtKB/Swiss-Prot  Length:328

    Alignment length:306
                                    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      
          IL12B_HUMAN    23 IWELKKDVYVVELDWYPDAPGEMVVLTCDTPEEDGITWTLDQSSEVLGSGKTLTIQVKEFGDAGQYTCHKGGEVLSHSLLLLHKKEDGIWSTDILKDQKEPKNKTFLRCEAKNYSGRFTCWWLTTISTDLTFSVKSSRGSSDPQGVTCGAATLSAERVRGDNKEYEYSVECQEDSACPAAEESLPIEVMVDAVHKLKYENYTSSFFIRDIIKPDPPKNLQLKPLKNSRQVEVSWEYPDTWSTPHSYFSLTFCVQVQGKSKREKKDRVFTDKTSATVICRKNASISVRAQDRYYSSSWSEWASVPCS 328
               SCOP domains d3d87b1 B:1-87 The p40 domain of interleukin-12 (IL-12 beta chain), N-terminal domain  d3d87b2 B:88-211 The p40 domain of interleukin-12 (IL-12 beta chain), domains 2 and 3                                       d3d87b3 B:212-305 The p40 domain of interleuk        in-12 (IL-12 beta chain), domains 2 and 3- SCOP domains
               CATH domains 3d87B01 B:1-84 Immunoglobulins                                                      ------------------3d87B02 B:103-210 Immunoglobulins                                                                           ---3d87B03 B:214-304 Immunoglobulins                                                          -- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .eeee..eeeeee........eeeeee.........eeee...........eeeeee.hhhhheeeeeee..eeee..eeeeeeee..ee....ee...........eee......eeeeeeee.....eeeeeeeee......eeee...eeeeeee....eeeeeeeeeee............eeeeeeeee..eeeeeeeeehhhhh......eeee.........eeeeee.............eeeeee..--------.eeee...eeee......eeeeeeee..........eeee.. Sec.struct. author
                 SAPs(SNPs) ----------I------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------F------------------------------ SAPs(SNPs)
                PROSITE (1) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------HEMATOPO_REC_L_F3  PDB: B:211-253          ----------------------------------------------------- PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------FN3  PDB: B:215-306 UniProt: 237-328                                                         PROSITE (2)
           Transcript 1 (1) Exon 1.2-------------------------------------------------------------------------------------------Exon 1.4  PDB: B:100-139                -----------------------------------------------------------------------Exon 1.6  PDB: B:211-256 UniProt: 233-285            Exon 1.7  PDB: B:265-306 UniProt: 286-328   Transcript 1 (1)
           Transcript 1 (2) -------Exon 1.3  PDB: B:8-100 UniProt: 30-122                                                       --------------------------------------Exon 1.5  PDB: B:139-211 UniProt: 161-233                                ----------------------------------------------------------------------------------------------- Transcript 1 (2)
                 3d87 B   1 IWELKKDVYVVELDWYPDAPGEMVVLTCDTPEEDGITWTLDQSSEVLGSGKTLTIQVKEFGDAGQYTCHKGGEVLSHSLLLLHKKEDGIWSTDILKDQKEPKNKTFLRCEAKNYSGRFTCWWLTTISTDLTFSVKSSRGSSDPQGVTCGAATLSAERVRGDNKEYEYSVECQEDSACPAAEESLPIEVMVDAVHKLKYEQYTSSFFIRDIIKPDPPKNLQLKPLKNSRQVEVSWEYPDTWSTPHSYFSLTFCVQVQ--------DRVFTDKTSATVICRKNASISVRAQDRYYSSSWSEWASVPCS 306
                                    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     |   -    |  270       280       290       300      
                                                                                                                                                                                                                                                                                         256      265

Chain C from PDB  Type:PROTEIN  Length:159
 aligned with IL23A_HUMAN | Q9NPF7 from UniProtKB/Swiss-Prot  Length:189

    Alignment length:170
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189
          IL23A_HUMAN    20 RAVPGGSSPAWTQCQQLSQKLCTLAWSAHPLVGHMDLREEGDEETTNDVPHIQCGDGCDPQGLRDNSQFCLQRIHQGLIFYEKLLGSDIFTGEPSLLPDSPVGQLHASLLGLSQLLQPEGHHWETQQIPSLSPSQPWQRLLLRFKILRSLQAFVAVAARVFAHGAATLSP 189
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .........hhhhhhhhhhhhhhhhhhh..........-----.........hhhhh.hhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhh.......------......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3d87 C   1 RAVPGGSSPAWTQCQQLSQKLCTLAWSAHPLVGHMDLR-----ETTNDVPHIQCGDGCDPQGLRDNSQFCLQRIHQGLIFYEKLLGSDIFTGEPSLLPDSPVGQLHASLLGLSQLLQPEGHH------PSLSPSQPWQRLLLRFKILRSLQAFVAVAARVFAHGAATLSP 170
                                    10        20        30       | -   |    50        60        70        80        90       100       110       120 |     130       140       150       160       170
                                                                38    44                                                                           122    129

Chain D from PDB  Type:PROTEIN  Length:296
 aligned with IL12B_HUMAN | P29460 from UniProtKB/Swiss-Prot  Length:328

    Alignment length:305
                                    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     
          IL12B_HUMAN    23 IWELKKDVYVVELDWYPDAPGEMVVLTCDTPEEDGITWTLDQSSEVLGSGKTLTIQVKEFGDAGQYTCHKGGEVLSHSLLLLHKKEDGIWSTDILKDQKEPKNKTFLRCEAKNYSGRFTCWWLTTISTDLTFSVKSSRGSSDPQGVTCGAATLSAERVRGDNKEYEYSVECQEDSACPAAEESLPIEVMVDAVHKLKYENYTSSFFIRDIIKPDPPKNLQLKPLKNSRQVEVSWEYPDTWSTPHSYFSLTFCVQVQGKSKREKKDRVFTDKTSATVICRKNASISVRAQDRYYSSSWSEWASVPC 327
               SCOP domains d3d87d1 D:1-87 The p40 domain of interleukin-12 (IL-12 beta chain), N-terminal domain  d3d87d2 D:88-211 The p40 domain of interleukin-12 (IL-12 beta chain), domains 2 and 3                                       d3d87d3 D:212-305 The p40 domain of interleu         kin-12 (IL-12 beta chain), domains 2 and  SCOP domains
               CATH domains 3d87D01 D:1-84 Immunoglobulins                                                      ------------------3d87D02 D:103-210 Immunoglobulins                                                                           ---3d87D03 D:214-304 Immunoglobulins                                                          - CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .ee....eeeeee...........eee........eeeee.......ee..eee....hhhhheeeeeee......eeeeeeeeee..ee.................eee......eeeeeeee.......eeeeeee.....eeeeeeeeee...........eeeeeeeee............eeeeeee......eeeeeeehhhhhh........eeee.....eeeee...............eee....---------........eeeee..........eee............... Sec.struct. author
                 SAPs(SNPs) ----------I------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------F----------------------------- SAPs(SNPs)
                PROSITE (1) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------HEMATOPO_REC_L_F3  PDB: D:211-253          ---------------------------------------------------- PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------FN3  PDB: D:215-305 UniProt: 237-328                                                        PROSITE (2)
           Transcript 1 (1) Exon 1.2-------------------------------------------------------------------------------------------Exon 1.4  PDB: D:100-139                -----------------------------------------------------------------------Exon 1.6  PDB: D:211-255 UniProt: 233-285            Exon 1.7  PDB: D:265-305 UniProt: 286-328  Transcript 1 (1)
           Transcript 1 (2) -------Exon 1.3  PDB: D:8-100 UniProt: 30-122                                                       --------------------------------------Exon 1.5  PDB: D:139-211 UniProt: 161-233                                ---------------------------------------------------------------------------------------------- Transcript 1 (2)
                 3d87 D   1 IWELKKDVYVVELDWYPDAPGEMVVLTCDTPEEDGITWTLDQSSEVLGSGKTLTIQVKEFGDAGQYTCHKGGEVLSHSLLLLHKKEDGIWSTDILKDQKEPKNKTFLRCEAKNYSGRFTCWWLTTISTDLTFSVKSSRGSSDPQGVTCGAATLSAERVRGDNKEYEYSVECQEDSACPAAEESLPIEVMVDAVHKLKYEQYTSSFFIRDIIKPDPPKNLQLKPLKNSRQVEVSWEYPDTWSTPHSYFSLTFCVQV---------DRVFTDKTSATVICRKNASISVRAQDRYYSSSWSEWASVPC 305
                                    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    |    -    |  270       280       290       300     
                                                                                                                                                                                                                                                                                        255       265

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(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Mainly Beta (13760)

Architecture: Sandwich (5577)

Topology: Immunoglobulin-like (3897)

Homologous Superfamily: Immunoglobulins (2282)

Human (Homo sapiens) (912)

1a	3d87B02	B:103-210
1b	3d87D02	D:103-210
1c	3d87B01	B:1-84
1d	3d87D01	D:1-84
1e	3d87B03	B:214-304
1f	3d87D03	D:214-304

(no "Pfam Domain" information available for 3D87)

Asymmetric Unit(hide GO term definitions)

Chain A,C (IL23A_HUMAN | Q9NPF7)

molecular function
	GO:0005125	cytokine activity	Functions to control the survival, growth, differentiation and effector function of tissues and cells.
	GO:0045519	interleukin-23 receptor binding	Interacting selectively and non-covalently with the interleukin-23 receptor.
	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).
biological process
	GO:0042098	T cell proliferation	The expansion of a T cell population by cell division. Follows T cell activation.
	GO:0050829	defense response to Gram-negative bacterium	Reactions triggered in response to the presence of a Gram-negative bacterium that act to protect the cell or organism.
	GO:0051607	defense response to virus	Reactions triggered in response to the presence of a virus that act to protect the cell or organism.
	GO:0006955	immune response	Any immune system process that functions in the calibrated response of an organism to a potential internal or invasive threat.
	GO:0002376	immune system process	Any process involved in the development or functioning of the immune system, an organismal system for calibrated responses to potential internal or invasive threats.
	GO:0006954	inflammatory response	The immediate defensive reaction (by vertebrate tissue) to infection or injury caused by chemical or physical agents. The process is characterized by local vasodilation, extravasation of plasma into intercellular spaces and accumulation of white blood cells and macrophages.
	GO:0045087	innate immune response	Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens.
	GO:0032693	negative regulation of interleukin-10 production	Any process that stops, prevents, or reduces the frequency, rate, or extent of interleukin-10 production.
	GO:0042346	positive regulation of NF-kappaB import into nucleus	Any process that activates or increases the frequency, rate or extent of transfer of NF-kappaB, a transcription factor for eukaryotic RNA polymerase II promoters, from the cytoplasm into the nucleus, across the nuclear membrane.
	GO:0051135	positive regulation of NK T cell activation	Any process that activates or increases the frequency, rate or extent of natural killer T cell activation.
	GO:0051142	positive regulation of NK T cell proliferation	Any process that activates or increases the frequency, rate or extent of natural killer T cell proliferation.
	GO:0001916	positive regulation of T cell mediated cytotoxicity	Any process that activates or increases the frequency, rate or extent of T cell mediated cytotoxicity.
	GO:0042102	positive regulation of T cell proliferation	Any process that activates or increases the rate or extent of T cell proliferation.
	GO:0002827	positive regulation of T-helper 1 type immune response	Any process that activates or increases the frequency, rate, or extent of a T-helper 1 type immune response.
	GO:2000330	positive regulation of T-helper 17 cell lineage commitment	Any process that activates or increases the frequency, rate or extent of T-helper 17 cell lineage commitment.
	GO:2000318	positive regulation of T-helper 17 type immune response	Any process that activates or increases the frequency, rate or extent of T-helper 17 type immune response.
	GO:0042104	positive regulation of activated T cell proliferation	Any process that activates or increases the rate or extent of activated T cell proliferation.
	GO:0002230	positive regulation of defense response to virus by host	Any host process that results in the promotion of antiviral immune response mechanisms, thereby limiting viral replication.
	GO:0032725	positive regulation of granulocyte macrophage colony-stimulating factor production	Any process that activates or increases the frequency, rate, or extent of granulocyte macrophage colony-stimulating factor production.
	GO:0050729	positive regulation of inflammatory response	Any process that activates or increases the frequency, rate or extent of the inflammatory response.
	GO:0032729	positive regulation of interferon-gamma production	Any process that activates or increases the frequency, rate, or extent of interferon-gamma production. Interferon-gamma is also known as type II interferon.
	GO:0032733	positive regulation of interleukin-10 production	Any process that activates or increases the frequency, rate, or extent of interleukin-10 production.
	GO:0032735	positive regulation of interleukin-12 production	Any process that activates or increases the frequency, rate, or extent of interleukin-12 production.
	GO:0032740	positive regulation of interleukin-17 production	Any process that activates or increases the frequency, rate, or extent of production of any member of the interleukin-17 family of cytokines.
	GO:0043382	positive regulation of memory T cell differentiation	Any process that activates or increases the frequency, rate or extent of memory T cell differentiation.
	GO:0032816	positive regulation of natural killer cell activation	Any process that activates or increases the frequency, rate or extent of natural killer cell activation.
	GO:0032819	positive regulation of natural killer cell proliferation	Any process that activates or increases the frequency, rate or extent of natural killer cell proliferation.
	GO:0090023	positive regulation of neutrophil chemotaxis	Any process that increases the frequency, rate, or extent of neutrophil chemotaxis. Neutrophil chemotaxis is the directed movement of a neutrophil cell, the most numerous polymorphonuclear leukocyte found in the blood, in response to an external stimulus, usually an infection or wounding.
	GO:0045672	positive regulation of osteoclast differentiation	Any process that activates or increases the frequency, rate or extent of osteoclast differentiation.
	GO:0034105	positive regulation of tissue remodeling	Any process that activates or increases the frequency, rate, or extent of tissue remodeling.
	GO:0045944	positive regulation of transcription from RNA polymerase II promoter	Any process that activates or increases the frequency, rate or extent of transcription from an RNA polymerase II promoter.
	GO:0032760	positive regulation of tumor necrosis factor production	Any process that activates or increases the frequency, rate, or extent of tumor necrosis factor production.
	GO:0048771	tissue remodeling	The reorganization or renovation of existing tissues. This process can either change the characteristics of a tissue such as in blood vessel remodeling, or result in the dynamic equilibrium of a tissue such as in bone remodeling.
cellular component
	GO:0005576	extracellular region	The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
	GO:0005615	extracellular space	That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.
	GO:0070743	interleukin-23 complex	A protein complex that is composed of an interleukin-23 alpha (p19, product of the IL23A gene) and an interleukin-12 beta (p40, product of the IL12B gene) subunit and is secreted into the extracellular space.

Chain B,D (IL12B_HUMAN | P29460)

molecular function
	GO:0005125	cytokine activity	Functions to control the survival, growth, differentiation and effector function of tissues and cells.
	GO:0004896	cytokine receptor activity	Combining with a cytokine and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity.
	GO:0005126	cytokine receptor binding	Interacting selectively and non-covalently with a cytokine receptor.
	GO:0008083	growth factor activity	The function that stimulates a cell to grow or proliferate. Most growth factors have other actions besides the induction of cell growth or proliferation.
	GO:0042802	identical protein binding	Interacting selectively and non-covalently with an identical protein or proteins.
	GO:0042164	interleukin-12 alpha subunit binding	Interacting selectively and non-covalently with the alpha subunit of interleukin-12.
	GO:0005143	interleukin-12 receptor binding	Interacting selectively and non-covalently with the interleukin-12 receptor.
	GO:0045519	interleukin-23 receptor binding	Interacting selectively and non-covalently with the interleukin-23 receptor.
	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:0046982	protein heterodimerization activity	Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer.
	GO:0042803	protein homodimerization activity	Interacting selectively and non-covalently with an identical protein to form a homodimer.
biological process
	GO:0042088	T-helper 1 type immune response	An immune response which is associated with resistance to intracellular bacteria, fungi, and protozoa, and pathological conditions such as arthritis, and which is typically orchestrated by the production of particular cytokines by T-helper 1 cells, most notably interferon-gamma, IL-2, and lymphotoxin.
	GO:0042093	T-helper cell differentiation	The process in which a relatively unspecialized thymocyte acquires specialized features of a T-helper cell.
	GO:0007050	cell cycle arrest	A regulatory process that halts progression through the cell cycle during one of the normal phases (G1, S, G2, M).
	GO:0016477	cell migration	The controlled self-propelled movement of a cell from one site to a destination guided by molecular cues. Cell migration is a central process in the development and maintenance of multicellular organisms.
	GO:0007166	cell surface receptor signaling pathway	A series of molecular signals initiated by activation of a receptor on the surface of a cell. The pathway begins with binding of an extracellular ligand to a cell surface receptor, or for receptors that signal in the absence of a ligand, by ligand-withdrawal or the activity of a constitutively active receptor. The pathway ends with regulation of a downstream cellular process, e.g. transcription.
	GO:0071346	cellular response to interferon-gamma	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 an interferon-gamma stimulus. Interferon gamma is the only member of the type II interferon found so far.
	GO:0071222	cellular response to lipopolysaccharide	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 lipopolysaccharide stimulus; lipopolysaccharide is a major component of the cell wall of gram-negative bacteria.
	GO:0019221	cytokine-mediated signaling pathway	A series of molecular signals initiated by the binding of a cytokine to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription.
	GO:0050829	defense response to Gram-negative bacterium	Reactions triggered in response to the presence of a Gram-negative bacterium that act to protect the cell or organism.
	GO:0042832	defense response to protozoan	Reactions triggered in response to the presence of a protozoan that act to protect the cell or organism.
	GO:0051607	defense response to virus	Reactions triggered in response to the presence of a virus that act to protect the cell or organism.
	GO:0042095	interferon-gamma biosynthetic process	The chemical reactions and pathways resulting in the formation of interferon-gamma. Interferon gamma is the only member of the type II interferon found so far.
	GO:0030101	natural killer cell activation	The change in morphology and behavior of a natural killer cell in response to a cytokine, chemokine, cellular ligand, or soluble factor.
	GO:0002323	natural killer cell activation involved in immune response	The change in morphology and behavior of a natural killer cell resulting from exposure a cytokine, chemokine, cellular ligand, or soluble factor, leading to the initiation or perpetuation of an immune response.
	GO:0044130	negative regulation of growth of symbiont in host	Any process in which the symbiont stops, prevents or reduces its increase in size or mass within the cells or tissues of the host organism. The host is defined as the larger of the organisms involved in the symbiotic interaction.
	GO:0002862	negative regulation of inflammatory response to antigenic stimulus	Any process that stops, prevents, or reduces the frequency, rate, or extent of an inflammatory response to an antigenic stimulus.
	GO:0032693	negative regulation of interleukin-10 production	Any process that stops, prevents, or reduces the frequency, rate, or extent of interleukin-10 production.
	GO:0032700	negative regulation of interleukin-17 production	Any process that stops, prevents, or reduces the frequency, rate, or extent of production of any member of the interleukin-17 family of cytokines.
	GO:0048662	negative regulation of smooth muscle cell proliferation	Any process that stops, prevents or reduces the rate or extent of smooth muscle cell proliferation.
	GO:0042346	positive regulation of NF-kappaB import into nucleus	Any process that activates or increases the frequency, rate or extent of transfer of NF-kappaB, a transcription factor for eukaryotic RNA polymerase II promoters, from the cytoplasm into the nucleus, across the nuclear membrane.
	GO:0051135	positive regulation of NK T cell activation	Any process that activates or increases the frequency, rate or extent of natural killer T cell activation.
	GO:0051142	positive regulation of NK T cell proliferation	Any process that activates or increases the frequency, rate or extent of natural killer T cell proliferation.
	GO:0001916	positive regulation of T cell mediated cytotoxicity	Any process that activates or increases the frequency, rate or extent of T cell mediated cytotoxicity.
	GO:0042102	positive regulation of T cell proliferation	Any process that activates or increases the rate or extent of T cell proliferation.
	GO:0002827	positive regulation of T-helper 1 type immune response	Any process that activates or increases the frequency, rate, or extent of a T-helper 1 type immune response.
	GO:2000330	positive regulation of T-helper 17 cell lineage commitment	Any process that activates or increases the frequency, rate or extent of T-helper 17 cell lineage commitment.
	GO:2000318	positive regulation of T-helper 17 type immune response	Any process that activates or increases the frequency, rate or extent of T-helper 17 type immune response.
	GO:0042104	positive regulation of activated T cell proliferation	Any process that activates or increases the rate or extent of activated T cell proliferation.
	GO:0045785	positive regulation of cell adhesion	Any process that activates or increases the frequency, rate or extent of cell adhesion.
	GO:0002230	positive regulation of defense response to virus by host	Any host process that results in the promotion of antiviral immune response mechanisms, thereby limiting viral replication.
	GO:0032725	positive regulation of granulocyte macrophage colony-stimulating factor production	Any process that activates or increases the frequency, rate, or extent of granulocyte macrophage colony-stimulating factor production.
	GO:0050729	positive regulation of inflammatory response	Any process that activates or increases the frequency, rate or extent of the inflammatory response.
	GO:0045078	positive regulation of interferon-gamma biosynthetic process	Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of interferon-gamma.
	GO:0032729	positive regulation of interferon-gamma production	Any process that activates or increases the frequency, rate, or extent of interferon-gamma production. Interferon-gamma is also known as type II interferon.
	GO:0032733	positive regulation of interleukin-10 production	Any process that activates or increases the frequency, rate, or extent of interleukin-10 production.
	GO:0032735	positive regulation of interleukin-12 production	Any process that activates or increases the frequency, rate, or extent of interleukin-12 production.
	GO:0032740	positive regulation of interleukin-17 production	Any process that activates or increases the frequency, rate, or extent of production of any member of the interleukin-17 family of cytokines.
	GO:0050671	positive regulation of lymphocyte proliferation	Any process that activates or increases the rate or extent of lymphocyte proliferation.
	GO:0043382	positive regulation of memory T cell differentiation	Any process that activates or increases the frequency, rate or extent of memory T cell differentiation.
	GO:0032946	positive regulation of mononuclear cell proliferation	Any process that activates or increases the frequency, rate or extent of mononuclear cell proliferation.
	GO:0032816	positive regulation of natural killer cell activation	Any process that activates or increases the frequency, rate or extent of natural killer cell activation.
	GO:0002860	positive regulation of natural killer cell mediated cytotoxicity directed against tumor cell target	Any process that activates or increases the frequency, rate, or extent of natural killer cell mediated cytotoxicity directed against tumor cell target.
	GO:0032819	positive regulation of natural killer cell proliferation	Any process that activates or increases the frequency, rate or extent of natural killer cell proliferation.
	GO:0045672	positive regulation of osteoclast differentiation	Any process that activates or increases the frequency, rate or extent of osteoclast differentiation.
	GO:0034393	positive regulation of smooth muscle cell apoptotic process	Any process that activates or increases the frequency, rate, or extent of smooth muscle cell apoptotic process.
	GO:0034105	positive regulation of tissue remodeling	Any process that activates or increases the frequency, rate, or extent of tissue remodeling.
	GO:0032760	positive regulation of tumor necrosis factor production	Any process that activates or increases the frequency, rate, or extent of tumor necrosis factor production.
	GO:0042035	regulation of cytokine biosynthetic process	Any process that modulates the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of cytokines.
	GO:0010224	response to UV-B	Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a UV-B radiation stimulus. UV-B radiation (UV-B light) spans the wavelengths 280 to 315 nm.
	GO:0010033	response to organic substance	Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an organic substance stimulus.
	GO:0019233	sensory perception of pain	The series of events required for an organism to receive a painful stimulus, convert it to a molecular signal, and recognize and characterize the signal. Pain is medically defined as the physical sensation of discomfort or distress caused by injury or illness, so can hence be described as a harmful stimulus which signals current (or impending) tissue damage. Pain may come from extremes of temperature, mechanical damage, electricity or from noxious chemical substances. This is a neurological process.
	GO:0019953	sexual reproduction	A reproduction process that creates a new organism by combining the genetic material of two organisms. It occurs both in eukaryotes and prokaryotes: in multicellular eukaryotic organisms, an individual is created anew; in prokaryotes, the initial cell has additional or transformed genetic material. In a process called genetic recombination, genetic material (DNA) originating from two different individuals (parents) join up so that homologous sequences are aligned with each other, and this is followed by exchange of genetic information. After the new recombinant chromosome is formed, it is passed on to progeny.
cellular component
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
	GO:0005576	extracellular region	The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
	GO:0005615	extracellular space	That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.
	GO:0043514	interleukin-12 complex	A protein complex that is composed of an interleukin-12 alpha (p35, product of the IL12A gene) and an interleukin-12 beta subunit (p40, product of the IL12B gene) and is secreted into the extracellular space.
	GO:0070743	interleukin-23 complex	A protein complex that is composed of an interleukin-23 alpha (p19, product of the IL23A gene) and an interleukin-12 beta (p40, product of the IL12B gene) subunit and is secreted into the extracellular space.
	GO:0016020	membrane	A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

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	Cis Peptide Bonds
		Ala D:19 - Pro D:20	[ RasMol ]
		Asp A:36 - Leu A:37	[ RasMol ]
		Asp C:36 - Leu C:37	[ RasMol ]
		Glu A:39 - Glu A:40	[ RasMol ]
		Glu A:93 - Pro A:94	[ RasMol ]
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		Ser C:169 - Pro C:170	[ RasMol ]
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		Thr D:242 - Pro D:243	[ RasMol ]
		Tyr D:16 - Pro D:17	[ RasMol ]

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	3d87
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	IL23A_HUMAN \| Q9NPF7
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1f45	CRYSTAL STRUCTURE OF IL-12
3d85

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (3, 5)

Sites (5, 5)

SS Bonds (0, 0)

Cis Peptide Bonds (15, 15)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (2, 4)

PROSITE Motifs (2, 4)

Exons (6, 12)

Sequences/Alignments

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SCOP Domains (2, 6)

CATH Domains (1, 6)

Pfam Domains (0, 0)

Gene Ontology (77, 108)

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