3V8X - JenaLib

Asym./Biol. Unit (Jmol Viewer)

Asym./Biol. Unit - sites (Jmol Viewer)

Title :   THE CRYSTAL STRUCTURE OF TRANSFERRIN BINDING PROTEIN A (TBPA) FROM NEISSERIAL MENINGITIDIS SEROGROUP B IN COMPLEX WITH FULL LENGTH HUMAN TRANSFERRIN

Authors :   N. Noinaj, N. Easley, S. K. Buchanan

Date :   23 Dec 11 (Deposition) - 29 Feb 12 (Release) - 18 Apr 12 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.60

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

Keywords :   Iron Binding Protein, Transferrin Binding Protein A, Iron Binding/Scavenging, Membrane Protein-Metal Transport Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   N. Noinaj, N. C. Easley, M. Oke, N. Mizuno, J. Gumbart, E. Boura, A. N. Steere, O. Zak, P. Aisen, E. Tajkhorshid, R. W. Evans, A. R. Gorringe, A. B. Mason, A. C. Steven, S. K. Buchanan
Structural Basis For Iron Piracy By Pathogenic Neisseria.
Nature V. 483 53 2012
PubMed-ID: 22327295 | Reference-DOI: 10.1038/NATURE10823

Molecule 1 - TRANSFERRIN-BINDING PROTEIN 1
	Chains	:	A
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Taxid	:	562
	Gene	:	TBP1, NMB0461
	Mutation	:	YES
	Organism Scientific	:	NEISSERIA MENINGITIDIS SEROGROUP B
	Organism Taxid	:	491

Molecule 2 - SEROTRANSFERRIN
	Chains	:	B
	Engineered	:	YES
	Gene	:	TF, PRO1400
	Organism Common	:	HUMAN
	Organism Scientific	:	HOMO SAPIENS
	Organism Taxid	:	9606
	Synonym	:	TRANSFERRIN, BETA-1 METAL-BINDING GLOBULIN, SIDEROPHILIN

		1	2
Asymmetric/Biological Unit	:	A	B

Summary Information (see also Sequences/Alignments below)

Asymmetric/Biological Unit (6, 21)

No.	Name	Count	Type	Full Name
1	BMA	2	Ligand/Ion	BETA-D-MANNOSE
2	C8E	2	Ligand/Ion	(HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE
3	GAL	3	Ligand/Ion	BETA-D-GALACTOSE
4	MAN	4	Ligand/Ion	ALPHA-D-MANNOSE
5	NAG	8	Ligand/Ion	N-ACETYL-D-GLUCOSAMINE
6	SIA	2	Ligand/Ion	O-SIALIC ACID

Asymmetric Unit (21, 21)

No.	Name	Evidence	Residues	Description
01	AC1	SOFTWARE	SER A:406 , ARG A:432 , GLY A:434 , GLY A:474 , GLU A:475 , SER A:476 , ARG A:478 , GLY A:507	BINDING SITE FOR RESIDUE C8E A 1001
02	AC2	SOFTWARE	LYS A:836 , ALA A:839 , ARG A:840 , ARG A:841 , ARG A:843 , ARG A:873 , HOH A:1159 , HOH A:1186	BINDING SITE FOR RESIDUE C8E A 1002
03	AC3	SOFTWARE	ALA A:361 , ASN A:382 , ASN B:413 , NAG B:702	BINDING SITE FOR RESIDUE NAG B 701
04	AC4	SOFTWARE	GLY B:425 , ALA B:575 , ARG B:581 , NAG B:701 , BMA B:703 , MAN B:708	BINDING SITE FOR RESIDUE NAG B 702
05	AC5	SOFTWARE	ALA B:575 , NAG B:702 , MAN B:704 , MAN B:708	BINDING SITE FOR RESIDUE BMA B 703
06	AC6	SOFTWARE	ARG A:522 , TYR A:524 , BMA B:703 , NAG B:705 , HOH B:813	BINDING SITE FOR RESIDUE MAN B 704
07	AC7	SOFTWARE	ASN A:555 , MAN B:704 , GAL B:706 , SIA B:707	BINDING SITE FOR RESIDUE NAG B 705
08	AC8	SOFTWARE	NAG B:705 , SIA B:707	BINDING SITE FOR RESIDUE GAL B 706
09	AC9	SOFTWARE	ASN A:555 , NAG B:705 , GAL B:706	BINDING SITE FOR RESIDUE SIA B 707
10	BC1	SOFTWARE	ALA B:575 , ARG B:581 , NAG B:702 , BMA B:703 , NAG B:709	BINDING SITE FOR RESIDUE MAN B 708
11	BC2	SOFTWARE	MAN B:708 , GAL B:710	BINDING SITE FOR RESIDUE NAG B 709
12	BC3	SOFTWARE	NAG B:709	BINDING SITE FOR RESIDUE GAL B 710
13	BC4	SOFTWARE	GLY A:130 , ASN B:611 , ARG B:623 , NAG B:712	BINDING SITE FOR RESIDUE NAG B 711
14	BC5	SOFTWARE	NAG B:711 , BMA B:713	BINDING SITE FOR RESIDUE NAG B 712
15	BC6	SOFTWARE	NAG B:712 , MAN B:714 , MAN B:718	BINDING SITE FOR RESIDUE BMA B 713
16	BC7	SOFTWARE	ASN A:298 , BMA B:713 , NAG B:715	BINDING SITE FOR RESIDUE MAN B 714
17	BC8	SOFTWARE	MAN B:714 , GAL B:716	BINDING SITE FOR RESIDUE NAG B 715
18	BC9	SOFTWARE	ARG A:286 , NAG B:715 , SIA B:717	BINDING SITE FOR RESIDUE GAL B 716
19	CC1	SOFTWARE	VAL A:240 , GLN A:241 , SER A:242 , ASN A:298 , PHE A:300 , GAL B:716	BINDING SITE FOR RESIDUE SIA B 717
20	CC2	SOFTWARE	BMA B:713 , NAG B:719	BINDING SITE FOR RESIDUE MAN B 718
21	CC3	SOFTWARE	LYS B:627 , MAN B:718 , HOH B:839	BINDING SITE FOR RESIDUE NAG B 719

Asymmetric/Biological Unit

No.	Residues
1	A:264	-	A:272
2	A:446	-	A:455
3	A:562	-	A:572
4	B:9	-	B:48
5	B:19	-	B:39
6	B:118	-	B:194
7	B:137	-	B:331
8	B:158	-	B:174
9	B:161	-	B:179
10	B:171	-	B:177
11	B:227	-	B:241
12	B:339	-	B:596
13	B:345	-	B:377
14	B:355	-	B:368
15	B:402	-	B:674
16	B:418	-	B:637
17	B:450	-	B:523
18	B:474	-	B:665
19	B:484	-	B:498
20	B:495	-	B:506
21	B:563	-	B:577
22	B:615	-	B:620

Asymmetric/Biological Unit

No.	Residues
1	Thr A:56	-	Gly A:57
2	Gly A:214	-	Gly A:215
3	Glu A:321	-	Asn A:322
4	Tyr A:376	-	Gly A:377
5	Gly A:377	-	Gly A:378
6	Ala A:417	-	Asp A:418
7	Asp A:449	-	Gly A:450
8	Gly A:450	-	Ser A:451
9	Asn A:532	-	Asn A:533
10	Asn A:745	-	Gly A:746
11	Leu A:828	-	Asn A:829
12	Lys A:892	-	Asn A:893
13	Val A:894	-	Gly A:895
14	Gln B:20	-	Ser B:21
15	Ser B:21	-	Phe B:22
16	Ala B:73	-	Pro B:74
17	Glu B:141	-	Pro B:142
18	Lys B:144	-	Pro B:145
19	Glu B:281	-	Phe B:282
20	Ser B:437	-	Asp B:438
21	Arg B:678	-	Pro B:679

Asymmetric/Biological Unit (16, 16)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
01	UniProt	VAR_034569	R	42	L	TRFE_HUMAN	Polymorphism	41298293	B	R	23	L
02	UniProt	VAR_029280	S	55	R	TRFE_HUMAN	Polymorphism	8177318	B	S	36	R
03	UniProt	VAR_034570	A	76	V	TRFE_HUMAN	Polymorphism	41298977	B	A	57	V
04	UniProt	VAR_038810	D	77	N	TRFE_HUMAN	Disease (ATRAF)	121918681	B	D	58	N
05	UniProt	VAR_011997	G	142	S	TRFE_HUMAN	Polymorphism	1799830	B	G	123	S
06	UniProt	VAR_011998	G	277	S	TRFE_HUMAN	Polymorphism	1799899	B	G	258	S
07	UniProt	VAR_007544	D	296	G	TRFE_HUMAN	Polymorphism	8177238	B	D	277	G
08	UniProt	VAR_007545	H	319	R	TRFE_HUMAN	Polymorphism	41295774	B	H	300	R
09	UniProt	VAR_011999	W	377	C	TRFE_HUMAN	Polymorphism	1804498	B	W	358	C
10	UniProt	VAR_058199	I	448	V	TRFE_HUMAN	Polymorphism	2692696	B	V	429	V
11	UniProt	VAR_012997	A	477	P	TRFE_HUMAN	Disease (ATRAF)	121918679	B	A	458	P
12	UniProt	VAR_034571	G	562	V	TRFE_HUMAN	Polymorphism	41296590	B	G	543	V
13	UniProt	VAR_012000	P	589	S	TRFE_HUMAN	Polymorphism	1049296	B	P	570	S
14	UniProt	VAR_012001	T	645	P	TRFE_HUMAN	Polymorphism	1130537	B	T	626	P
15	UniProt	VAR_012998	K	646	E	TRFE_HUMAN	Polymorphism	121918678	B	K	627	E
16	UniProt	VAR_012999	G	671	E	TRFE_HUMAN	Polymorphism	121918677	B	G	652	E

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

Asymmetric/Biological Unit (5, 8)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	TRANSFERRIN_LIKE_4	PS51408	Transferrin-like domain profile.	TRFE_HUMAN	25-347 361-683	2	B:6-328 B:342-664
2	TRANSFERRIN_LIKE_1	PS00205	Transferrin-like domain signature 1.	TRFE_HUMAN	114-123	1	B:95-104
3	TRANSFERRIN_LIKE_2	PS00206	Transferrin-like domain signature 2.	TRFE_HUMAN	207-223 536-551	2	B:188-204 B:517-532
4	TRANSFERRIN_LIKE_3	PS00207	Transferrin-like domain signature 3.	TRFE_HUMAN	241-271 577-607	2	B:222-252 B:558-588
5	TONB_DEPENDENT_REC_2	PS01156	TonB-dependent receptor proteins signature 2.	TBP1_NEIMB	898-915	1	A:898-915

(no "Exon" information available for 3V8X)

Asymmetric/Biological Unit

Reformat:	Number of residues per line = ('0' or empty: single-line sequence representation)
	Number of residues per labelling interval =
	UniProt sequence: complete aligned part

Show mapping:	SCOP domains	CATH domains	Pfam domains	Secondary structure (by author)
	SAPs(SNPs)	PROSITE motifs	Exons
	(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:853
 aligned with TBP1_NEIMB | Q9K0U9 from UniProtKB/Swiss-Prot  Length:915

    Alignment length:862
                                    63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       483       493       503       513       523       533       543       553       563       573       583       593       603       613       623       633       643       653       663       673       683       693       703       713       723       733       743       753       763       773       783       793       803       813       823       833       843       853       863       873       883       893       903       913  
           TBP1_NEIMB    54 EVTGLGKLVKSSDTLSKEQVLNIRDLTRYDPGIAVVEQGRGASSGYSIRGMDKNRVSLTVDGVSQIQSYTAQAALGGTRTAGSSGAINEIEYENVKAVEISKGSNSVEQGSGALAGSVAFQTKTADDVIGEGRQWGIQSKTAYSGKNRGLTQSIALAGRIGGAEALLIHTGRRAGEIRAHEDAGRGVQSFNRLVPVEDSSNYAYFIVKEECKNGSYETCKANPKKDVVGKDERQTVSTRDYTGPNRFLADPLSYESRSWLFRPGFRFENKRHYIGGILEHTQQTFDTRDMTVPAFLTKAVFDANKKQAGSLPGNGKYAGNHKYGGLFTNGENGALVGAEYGTGVFYDETHTKSRYGLEYVYTNADKDTWADYARLSYDRQGIGLDNHFQQTHCSADGSDKYCRPSADKPFSYYKSDRVIYGESHRLLQAAFKKSFDTAKIRHNLSVNLGFDRFGSNLRHQDYYYQHANRAYSSNTPPQNNGKKISPNGSETSPYWVTIGRGNVVTGQICRLGNNTYTDCTPRSINGKSYYAAVRDNVRLGRWADVGAGLRYDYRSTHSDDGSVSTGTHRTLSWNAGIVLKPTDWLDLTYRTSTGFRLPSFAEMYGWRAGVQSKAVKIDPEKSFNKEAGIVFKGDFGNLEASWFNNAYRDLIVRGYEAQIKDGKEEAKGDPAYLNAQSARITGINILGKIDWNGVWDKLPEGWYSTFAYNRVRVRDIKKRADRTDIQSHLFDAIQPSRYVVGLGYDQPEGKWGVNGMLTYSKAKEITELLGSRALLNGNSRNTKATARRTRPWYIVDVSGYYTVKKHFTLRAGVYNLLNYRYVTWENVRQTAGGAVNQHKNVGVYNRYAAPGRNYTFSLEMKF 915
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......eeeeehhhhhhhh..hhhhhh.....eeeee.....eeeeee..ee...eeeee..ee..........................hhh.eeeeeeee..hhhhhh.....eeeeeee.hhhhh......eeeeeeeeee.hhheeeeeeeeeeee..eeeeeeeeeeeee...........eeee..eeeee......eeee.hhh...hhhhhh...ee.eeeee..eeee..............eeeeeeeeee..eee.....eeeeeeeeeeeeeeeee........hhhhhhhhhhhhh.................eee.....eee...eeeeeeeeeeeeeeeeeeeeee.........eeeeeeeeeeeeeeeeeeeeeee.................eeeeeeeeeeeeeeeeeeeeeeee.--..eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee...................eeeeeeeeeeeeee..............eeeeeeeeeeeeeeeeee...eeeeeeeeeeeeeee.........eeeeeeeeeeeee.....eeeeeeeeeeee..hhhhhhh..............eeeeeeeeeeeeee..eeeeeeeeeeeeeeeeeeeeeeee....eeeeeeeeeeeeeeeeeeeeeeeeee.....-------.eeeeeeeeeeeeeeee...ee.ee..........eeeeeeeee.....eeeeeeeeee...hhhh.eeeee.....eeeee........eeeeeeeeeee....eeeeeeee........hhhhhhhhh...........hhhhhh....eeeeeeeeee Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------TONB_DEPENDENT_REC PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3v8x A  54 EVTGLGKLVKSSDTLSKEQVLNIRDLTRYDPGIAVVEQGRGASSGYSIRGMDKNRVSLTVDGVSQIQSYTAQAALGGTRTAGSSGAINEIEYENVKAVEISKGSNSVEQGSGALAGSVAFQTKTADDVIGEGRQWGIQSKTAYSGKNRGLTQSIALAGRIGGAEALLIHTGRRAGEIRAHEDAGRGVQSFNRLVPVEDSSNYAYFIVKEECKNGSYETCKANPKKDVVGKDERQTVSTRDYTGPNRFLADPLSYESRSWLFRPGFRFENKRHYIGGILEHTQQTFDTRDMTVPAFLTKAVFDANKKQAGSLPGNGKYAGNHKYGGLFTNGENGALVGAEYGTGVFYDETHTKSRYGLEYVYTNADKDTWADYARLSYDRQGVGLDNHFQQTHCSADGSDKYCRPSADKPFSYYKSDRVIYGESHRLLQAAFKKSFD--KIRHNLSVNLGFDRFGSNLRHQDYYYQHANRAYSSNTPPQNNGKKISPNGSETSPYWVTIGRGNVVTGQICRLGNNTYTDCTPRSINGKSYYAAVRDNVRLGRWADVGAGLRYDYRSTHSDDGSVSTGTHRTLSWNAGIVLKPTDWLDLTYRTSTGFRLPSFAEMYGWRAGVQSKAVKIDPEKSFNKEAGIVFKGDFGNLEASWFNNAYRDLIVRGYEAQIKDGKEEAKGDPAYLNAQSARITGINILGKIDWNGV-------WYSTFAYNRVRVRDIKKRADRTDIQSHLFDAIQPSRYVVGLGYDQPEGKWGVNGMLTYSKAKEITELLGSRALLNGNSRNTKATARRTRPWYIVDVSGYYTVKKHFTLRAGVYNLLNYRYVTWENVRQTAGGAVNQHKNVGVYNRYAAPGRNYTFSLEYKF 915
                                    63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       483     | 493       503       513       523       533       543       553       563       573       583       593       603       613       623       633       643       653       663       673       683       693       703       713       723       733       743   |     - |     763       773       783       793       803       813       823       833       843       853       863       873       883       893       903       913  
                                                                                                                                                                                                                                                                                                                                                                                                                                                                             489  |                                                                                                                                                                                                                                                            747     755                                                                                                                                                                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                492

Chain B from PDB  Type:PROTEIN  Length:676
 aligned with TRFE_HUMAN | P02787 from UniProtKB/Swiss-Prot  Length:698

    Alignment length:676
                                    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       352       362       372       382       392       402       412       422       432       442       452       462       472       482       492       502       512       522       532       542       552       562       572       582       592       602       612       622       632       642       652       662       672       682       692      
           TRFE_HUMAN    23 KTVRWCAVSEHEATKCQSFRDHMKSVIPSDGPSVACVKKASYLDCIRAIAANEADAVTLDAGLVYDAYLAPNNLKPVVAEFYGSKEDPQTFYYAVAVVKKDSGFQMNQLRGKKSCHTGLGRSAGWNIPIGLLYCDLPEPRKPLEKAVANFFSGSCAPCADGTDFPQLCQLCPGCGCSTLNQYFGYSGAFKCLKDGAGDVAFVKHSTIFENLANKADRDQYELLCLDNTRKPVDEYKDCHLAQVPSHTVVARSMGGKEDLIWELLNQAQEHFGKDKSKEFQLFSSPHGKDLLFKDSAHGFLKVPPRMDAKMYLGYEYVTAIRNLREGTCPEAPTDECKPVKWCALSHHERLKCDEWSVNSVGKIECVSAETTEDCIAKIMNGEADAMSLDGGFVYIAGKCGLVPVLAENYNKSDNCEDTPEAGYFAIAVVKKSASDLTWDNLKGKKSCHTAVGRTAGWNIPMGLLYNKINHCRFDEFFSEGCAPGSKKDSSLCKLCMGSGLNLCEPNNKEGYYGYTGAFRCLVEKGDVAFVKHQTVPQNTGGKNPDPWAKNLNEKDYELLCLDGTRKPVEEYANCHLARAPNHAVVTRKDKEACVHKILRQQQHLFGSNVTDCSGNFCLFRSETKDLLFRDDTVCLAKLHDRNTYEKYLGEEYVKAVGNLRKCSTSSLLEACTFRRP 698
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..ee.....hhhhhhh.................ee.....hhhhhhhhhh......eeeehhhhhhhhh.....eeeeee..........eeeeeeeee.....hhhhh....eee........hhhhhhhhh........hhhhhhhh....ee........hhhhhh.............hhhhhhhhhhhh....eeeee.hhhhhhh.hhhhhh.eeee.....eee.hhhhhh..eeee.eeeee......hhhhhhhhhhhhhh............................eee.....hhhhhhhhhhhhhhhhhhhh............eeeee.hhhhhhhhhhhhhhh...eeeee..hhhhhhhhhhh....eeeehhhhhhhhhhh..eeeeeee.....hhhhh....eeeeeeee...............eee........hhhhhhhhh......hhhhh...ee.......hhhhh..................hhhhhhhhhhhhh..eeeee.hhhhhh.............hhh.eeee.....eee..hhhhh..eee...eeee...hhhhhhhhhhhhhhhh............................eeee.....hhhhhhhhhhhhhhhhhh....hhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------L------------R--------------------VN----------------------------------------------------------------S--------------------------------------------------------------------------------------------------------------------------------------S------------------G----------------------R---------------------------------------------------------C----------------------------------------------------------------------V----------------------------P------------------------------------------------------------------------------------V--------------------------S-------------------------------------------------------PE------------------------E--------------------------- SAPs(SNPs)
                PROSITE (1) --TRANSFERRIN_LIKE_4  PDB: B:6-328 UniProt: 25-347                                                                                                                                                                                                                                                                                   -------------TRANSFERRIN_LIKE_4  PDB: B:342-664 UniProt: 361-683                                                                                                                                                                                                                                                                                --------------- PROSITE (1)
                PROSITE (2) -------------------------------------------------------------------------------------------TRANSFERRI-----------------------------------------------------------------------------------TRANSFERRIN_LIKE_-----------------TRANSFERRIN_LIKE_3             ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------TRANSFERRIN_LIKE-------------------------TRANSFERRIN_LIKE_3             ------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3v8x B   4 KTVRWCAVSEHEATKCQSFRDHMKSVIPSDGPSVACVKKASYLDCIRAIAANEADAVTLDAGLVYDAYLAPNNLKPVVAEFYGSKEDPQTFYYAVAVVKKDSGFQMNQLRGKKSCHTGLGRSAGWNIPIGLLYCDLPEPRKPLEKAVANFFSGSCAPCADGTDFPQLCQLCPGCGCSTLNQYFGYSGAFKCLKDGAGDVAFVKHSTIFENLANKADRDQYELLCLDNTRKPVDEYKDCHLAQVPSHTVVARSMGGKEDLIWELLNQAQEHFGKDKSKEFQLFSSPHGKDLLFKDSAHGFLKVPPRMDAKMYLGYEYVTAIRNLREGTCPEAPTDECKPVKWCALSHHERLKCDEWSVNSVGKIECVSAETTEDCIAKIMNGEADAMSLDGGFVYIAGKCGLVPVLAENYNKSDNCEDTPEAGYFAVAVVKKSASDLTWDNLKGKKSCHTAVGRTAGWNIPMGLLYNKINHCRFDEFFSEGCAPGSKKDSSLCKLCMGSGLNLCEPNNKEGYYGYTGAFRCLVEKGDVAFVKHQTVPQNTGGKNPDPWAKNLNEKDYELLCLDGTRKPVEEYANCHLARAPNHAVVTRKDKEACVHKILRQQQHLFGSNVTDCSGNFCLFRSETKDLLFRDDTVCLAKLHDRNTYEKYLGEEYVKAVGNLRKCSTSSLLEACTFRRP 679
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       483       493       503       513       523       533       543       553       563       573       583       593       603       613       623       633       643       653       663       673

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 '\|'

(no "SCOP Domain" information available for 3V8X)

(no "CATH Domain" information available for 3V8X)

(no "Pfam Domain" information available for 3V8X)

Asymmetric/Biological Unit(hide GO term definitions)

Chain A (TBP1_NEIMB | Q9K0U9)

molecular function
	GO:0004872	receptor activity	Combining with an extracellular or intracellular messenger to initiate a change in cell activity.
	GO:0005215	transporter activity	Enables the directed movement of substances (such as macromolecules, small molecules, ions) into, out of or within a cell, or between cells.
biological process
	GO:0006810	transport	The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
	GO:0009279	cell outer membrane	A lipid bilayer that forms the outermost membrane of the cell envelope; enriched in polysaccharide and protein; the outer leaflet of the membrane contains specific lipopolysaccharide structures.
	GO:0016021	integral component of membrane	The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
	GO:0016020	membrane	A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
	GO:0019867	outer membrane	The external membrane of Gram-negative bacteria or certain organelles such as mitochondria and chloroplasts; freely permeable to most ions and metabolites.

Chain B (TRFE_HUMAN | P02787)

molecular function
	GO:0008199	ferric iron binding	Interacting selectively and non-covalently with ferric iron, Fe(III).
	GO:0015091	ferric iron transmembrane transporter activity	Enables the transfer of ferric iron (Fe(III) or Fe3+) ions from one side of a membrane to the other.
	GO:0008198	ferrous iron binding	Interacting selectively and non-covalently with ferrous iron, Fe(II).
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
	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:1990459	transferrin receptor binding	Interacting selectively and non-covalently with the transferrin receptor.
biological process
	GO:0006879	cellular iron ion homeostasis	Any process involved in the maintenance of an internal steady state of iron ions at the level of a cell.
	GO:0071281	cellular response to iron ion	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 iron ion stimulus.
	GO:0006811	ion transport	The directed movement of charged atoms or small charged molecules into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
	GO:0055072	iron ion homeostasis	Any process involved in the maintenance of an internal steady state of iron ions within an organism or cell.
	GO:0006826	iron ion transport	The directed movement of iron (Fe) ions into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
	GO:0002576	platelet degranulation	The regulated exocytosis of secretory granules containing preformed mediators such as histamine and serotonin by a platelet.
	GO:0048260	positive regulation of receptor-mediated endocytosis	Any process that activates or increases the frequency, rate or extent of receptor mediated endocytosis, the uptake of external materials by cells, utilizing receptors to ensure specificity of transport.
	GO:0031647	regulation of protein stability	Any process that affects the structure and integrity of a protein, altering the likelihood of its degradation or aggregation.
	GO:0001895	retina homeostasis	A tissue homeostatic process involved in the maintenance of an internal equilibrium within the retina of the eye, including control of cellular proliferation and death and control of metabolic function.
	GO:0033572	transferrin transport	The directed movement of transferrin into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
	GO:0006810	transport	The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
	GO:1990712	HFE-transferrin receptor complex	A protein complex containing at least HFE and a transferrin receptor (either TFR1/TFRC or TFR2), proposed to play a role in the sensing of transferrin-bound Fe (Fe2-Tf) on the plasma membrane to regulate hepcidin transcription.
	GO:0016324	apical plasma membrane	The region of the plasma membrane located at the apical end of the cell.
	GO:0045178	basal part of cell	The region of a cell situated near the base. For example, in a polarized epithelial cell, the basal surface rests on the basal lamina that separates the epithelium from other tissue.
	GO:0009925	basal plasma membrane	The region of the plasma membrane located at the basal end of the cell. Often used in reference to animal polarized epithelial membranes, where the basal membrane is the part attached to the extracellular matrix, or in plant cells, where the basal membrane is defined with respect to the zygotic axis.
	GO:0072562	blood microparticle	A phospholipid microvesicle that is derived from any of several cell types, such as platelets, blood cells, endothelial cells, or others, and contains membrane receptors as well as other proteins characteristic of the parental cell. Microparticles are heterogeneous in size, and are characterized as microvesicles free of nucleic acids.
	GO:0009986	cell surface	The external part of the cell wall and/or plasma membrane.
	GO:0005905	clathrin-coated pit	A part of the endomembrane system in the form of an invagination of a membrane upon which a clathrin coat forms, and that can be converted by vesicle budding into a clathrin-coated vesicle. Coated pits form on the plasma membrane, where they are involved in receptor-mediated selective transport of many proteins and other macromolecules across the cell membrane, in the trans-Golgi network, and on some endosomes.
	GO:0005769	early endosome	A membrane-bounded organelle that receives incoming material from primary endocytic vesicles that have been generated by clathrin-dependent and clathrin-independent endocytosis; vesicles fuse with the early endosome to deliver cargo for sorting into recycling or degradation pathways.
	GO:0030139	endocytic vesicle	A membrane-bounded intracellular vesicle formed by invagination of the plasma membrane around an extracellular substance. Endocytic vesicles fuse with early endosomes to deliver the cargo for further sorting.
	GO:0010008	endosome membrane	The lipid bilayer surrounding an endosome.
	GO:0070062	extracellular exosome	A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
	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:0031232	extrinsic component of external side of plasma membrane	The component of a plasma membrane consisting of gene products and protein complexes that are loosely bound to its external surface, but not integrated into the hydrophobic region.
	GO:0005770	late endosome	A prelysosomal endocytic organelle differentiated from early endosomes by lower lumenal pH and different protein composition. Late endosomes are more spherical than early endosomes and are mostly juxtanuclear, being concentrated near the microtubule organizing center.
	GO:0048471	perinuclear region of cytoplasm	Cytoplasm situated near, or occurring around, the nucleus.
	GO:0055037	recycling endosome	An organelle consisting of a network of tubules that functions in targeting molecules, such as receptors transporters and lipids, to the plasma membrane.
	GO:0034774	secretory granule lumen	The volume enclosed by the membrane of a secretory granule.
	GO:0031982	vesicle	Any small, fluid-filled, spherical organelle enclosed by membrane.

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	Cis Peptide Bonds
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		Asn A:532 - Asn A:533	[ RasMol ]
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		Glu A:321 - Asn A:322	[ RasMol ]
		Glu B:141 - Pro B:142	[ RasMol ]
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		Gly A:377 - Gly A:378	[ RasMol ]
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		Lys A:892 - Asn A:893	[ RasMol ]
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		Ser B:437 - Asp B:438	[ RasMol ]
		Thr A:56 - Gly A:57	[ RasMol ]
		Tyr A:376 - Gly A:377	[ RasMol ]
		Val A:894 - Gly A:895	[ RasMol ]

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Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (6, 21)

Sites (21, 21)

SS Bonds (22, 22)

Cis Peptide Bonds (21, 21)

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