4NAQ: Porcine aminopeptidase-N

Crystal structure of porcine aminopeptidase-N complexed with poly-alanine. Determined by X-ray diffraction at 2.1 Å resolution. Released 4 Dec 2013.

Method
X-ray diffraction
Resolution
2.1 Å
Organism
Sus scrofa
Chains
2
Atoms
8,330
Mol. weight
108.26 kDa
Ligands
ZN, NAG
Released
4 Dec 2013

Explore 4NAQ in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4NAQ contains 49 α-helices and 37 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 49 helices, 37 β-strands

ElementResiduesLengthSheet
α-helix66-683
α-helix72-732
β-strand76-87121
β-strand98-109121
β-strand113-11972
β-strand124-12521
β-strand133-13641
α-helix143-1442
β-strand145-15172
β-strand156-165102
β-strand170-180111
β-strand187-19593
β-strand198-20693
α-helix212-2143
β-strand21812
β-strand22614
β-strand227-23591
β-strand239-24243
β-strand24615
β-strand251-25221
β-strand259-26351
β-strand26415
α-helix265-2684
β-strand27014
α-helix272-2743
β-strand277-28043
β-strand283-28866
β-strand294-29966
α-helix301-3055
α-helix310-32617
β-strand335-34176
β-strand348-34926
β-strand354-35856
α-helix359-3624
α-helix371-38717
β-strand39017
β-strand394-39637
α-helix399-4013
α-helix402-42019
α-helix426-4294
α-helix4301
α-helix431-4366
α-helix437-4426
α-helix454-4563
α-helix460-4645
α-helix4691
α-helix470-4745
α-helix475-48612
α-helix488-50215
β-strand505-50737
α-helix509-52113
α-helix532-5409
β-strand546-55168
β-strand556-56168
β-strand582-58439
β-strand586-588310
β-strand591-592210
β-strand596-59839
β-strand603-60538
α-helix607-6093
β-strand617-619310
α-helix621-6233
β-strand628-63148
α-helix633-64513
α-helix647-6493
α-helix652-66716
α-helix673-6786
α-helix681-6855
α-helix689-70618
α-helix712-73322
α-helix744-75916
α-helix763-77816
α-helix787-7893
α-helix790-80011
α-helix803-81412
α-helix819-82911
α-helix835-8428
α-helix853-8553
α-helix856-86510
α-helix869-88012
α-helix881-8833
α-helix884-8874
α-helix895-9039
α-helix909-91911
α-helix928-9303
α-helix931-96232

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Aminopeptidase NAprotein907Sus scrofaP15145 (AlphaFold model)
poly A peptideBprotein7
Sequence of entity 1 (A), FASTA
>4NAQ_1 Aminopeptidase N (chains A)
SKPWNRYRLPTTLLPDSYNVTLRPYLTPNADGLYIFKGKSIVRFLCQEPTDVIIIHSKKL
NYTTQGHMVVLRGVGDSQVPEIDRTELVELTEYLVVHLKGSLQPGHMYEMESEFQGELAD
DLAGFYRSEYMEGNVKKVLATTQMQSTDARKSFPCFDEPAMKATFNITLIHPNNLTALSN
MPPKGSSTPLAEDPNWSVTEFETTPVMSTYLLAYIVSEFQSVNETAQNGVLIRIWARPNA
IAEGHGMYALNVTGPILNFFANHYNTSYPLPKSDQIALPDFNAGAMENWGLVTYRENALL
FDPQSSSISNKERVVTVIAHQLAHQWFGNLVTLAWWNDLWLNEGFASYVEYLGADHAEPT
WNLKDLIVPGDVYRVMAVDALASSHPLTTPAEEVNTPAQISEMFDSISYSKGASVIRMLS
NFLTEDLFKEGLASYLHAFAYQNTTYLDLWEHLQKAVDAQTSIRLPDTVRAIMDRWTLQM
GFPVITVDTKTGNISQKHFLLDSESNVTRSSAFDYLWIVPISSIKNGVMQDHYWLRDVSQ
AQNDLFKTASDDWVLLNVNVTGYFQVNYDEDNWRMIQHQLQTNLSVIPVINRAQVIYDSF
NLATAHMVPVTLALDNTLFLNGEKEYMPWQAALSSLSYFSLMFDRSEVYGPMKKYLRKQV
EPLFQHFETLTKNWTERPENLMDQYSEINAISTACSNGLPQCENLAKTLFDQWMSDPENN
PIHPNLRSTIYCNAIAQGGQDQWDFAWGQLQQAQLVNEADKLRSALACSNEVWLLNRYLG
YTLNPDLIRKQDATSTINSIASNVIGQPLAWDFVQSNWKKLFQDYGGGSFSFSNLIQGVT
RRFSSEFELQQLEQFKKNNMDVGFGSGTRALEQALEKTKANIKWVKENKEVVLNWFIEHS
SHHHHHH
Sequence of entity 2 (B), FASTA
>4NAQ_2 poly A peptide (chains B)
AAAAAAA

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn1
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O65

Water and common crystallization additives (SO4) are not listed.

Primary citation

Structural basis for multifunctional roles of mammalian aminopeptidase N. Chen, L., Lin, Y.L., Peng, G. et al. Proc Natl Acad Sci U S A (2012) 109:17966-17971. DOI 10.1073/pnas.1210123109 · PubMed

Other PDB entries of the same protein (UniProt P15145 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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