SEQ2FUN

BioLiP
Download all results in tab-seperated text for 1072681 receptor-ligand interactions, whose format is explained at readme.txt.
  • Hover over PDB to view the title of the structure. Click PDB to view the structure at the RCSB PDB database. Resolution -1.00 means the resolution is unavailable, e.g., for NMR structures.
  • Click Site # to view the binding site structure. Hover over Site # to view the binding residues.
  • Hover over Ligand to view the full ligand name. Click Ligand to view the 2D diagram and other detail information of the ligand.
  • Hover over EC number to view the full name of enzymatic activity.
  • Hover over GO terms to view all GO terms.
  • Hover over UniProt to view the protein name.
  • Sort results by
    << < 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 > >>
    Go to page

    # PDB
    (Resolution Å)
    Site # Ligand EC number GO terms UniProt PubMed Binding
    affinity
    120601 2z0p:D (2.58) BS02 4PT 2.7.10.2 GO:0035556 ... Q06187 18809383
    120602 2z0x:A (1.64) BS01 5CA ? GO:0002161 ... Q5SHN1 N/A
    120603 2z0y:A (2.8) BS01 SAM 2.1.1.193 GO:0005737 ... Q5SKI6 N/A
    120604 2z0y:B (2.8) BS01 SAM 2.1.1.193 GO:0005737 ... Q5SKI6 N/A
    120605 2z12:A (1.15) BS01 NA 3.2.1.17 GO:0003796 ... P00698 17704571
    120606 2z18:A (1.15) BS01 NA 3.2.1.17 GO:0003796 ... P00698 17704571
    120607 2z19:A (1.15) BS01 NA 3.2.1.17 GO:0003796 ... P00698 17704571
    120608 2z1a:A (1.75) BS01 ZN 3.1.3.5 GO:0000166 ... Q5SIP1 N/A
    120609 2z1a:A (1.75) BS02 ZN 3.1.3.5 GO:0000166 ... Q5SIP1 N/A
    120610 2z1d:A (2.07) BS01 SF4 ? GO:0005506 ... Q5JII1 17612488
    120611 2z1d:B (2.07) BS01 SF4 ? GO:0005506 ... Q5JII1 17612488
    120612 2z1k:A (2.3) BS01 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120613 2z1k:A (2.3) BS02 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120614 2z1k:A (2.3) BS03 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120615 2z1k:A (2.3) BS04 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120616 2z1k:A (2.3) BS05 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120617 2z1k:A (2.3) BS06 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120618 2z1k:B (2.3) BS01 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120619 2z1k:B (2.3) BS02 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120620 2z1k:B (2.3) BS03 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120621 2z1k:B (2.3) BS04 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120622 2z1k:B (2.3) BS05 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120623 2z1k:C (2.3) BS01 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120624 2z1k:C (2.3) BS02 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120625 2z1k:C (2.3) BS03 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120626 2z1k:C (2.3) BS04 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120627 2z1k:D (2.3) BS01 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120628 2z1k:D (2.3) BS02 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120629 2z1k:D (2.3) BS03 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120630 2z1k:D (2.3) BS04 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120631 2z1k:D (2.3) BS05 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120632 2z1k:D (2.3) BS06 GLC 3.2.1.41 GO:0005975 ... Q5SI17 N/A
    120633 2z1m:A (2.0) BS01 NDP 4.2.1.47 GO:0008446 ... O67175 N/A
    120634 2z1m:A (2.0) BS02 GDP 4.2.1.47 GO:0008446 ... O67175 N/A
    120635 2z1m:D (2.0) BS01 NDP 4.2.1.47 GO:0008446 ... O67175 N/A
    120636 2z1m:D (2.0) BS02 GDP 4.2.1.47 GO:0008446 ... O67175 N/A
    120637 2z1q:A (2.3) BS01 FAD 1.3.99.3 GO:0003995 ... Q5SJW0 N/A
    120638 2z1q:A (2.3) BS02 FAD 1.3.99.3 GO:0003995 ... Q5SJW0 N/A
    120639 2z1q:B (2.3) BS01 FAD 1.3.99.3 GO:0003995 ... Q5SJW0 N/A
    120640 2z1q:B (2.3) BS02 FAD 1.3.99.3 GO:0003995 ... Q5SJW0 N/A
    120641 2z1s:A (2.46) BS01 BGC 3.2.1.21 GO:0004553 ... P22505 17585934
    120642 2z1s:A (2.46) BS02 BGC 3.2.1.21 GO:0004553 ... P22505 17585934
    120643 2z1u:A (2.0) BS01 MG ? GO:0051604 ... Q72F88 17706667
    120644 2z1u:A (2.0) BS02 ATP ? GO:0051604 ... Q72F88 17706667
    120645 2z1v:A (1.55) BS01 ZN 2.4.2.29 GO:0002099 ... P28720 17949745
    120646 2z1w:A (1.63) BS01 ZN 2.4.2.29 GO:0002099 ... P28720 17949745
    120647 2z1w:A (1.63) BS02 BDI 2.4.2.29 GO:0002099 ... P28720 17949745
    120648 2z1x:A (1.63) BS01 ZN 2.4.2.29 GO:0002099 ... P28720 17949745
    120649 2z1x:A (1.63) BS02 PRF 2.4.2.29 GO:0002099 ... P28720 17949745
    120650 2z1y:A (1.75) BS01 LEU 2.6.1.39 GO:0008483 ... Q72LL6 N/A
    120651 2z1y:A (1.75) BS02 PLP 2.6.1.39 GO:0008483 ... Q72LL6 N/A
    120652 2z1y:B (1.75) BS01 LEU 2.6.1.39 GO:0008483 ... Q72LL6 N/A
    120653 2z1y:B (1.75) BS02 PLP 2.6.1.39 GO:0008483 ... Q72LL6 N/A
    120654 2z1z:A (2.4) BS01 PLP 2.6.1.83 GO:0005507 ... Q93ZN9 17583737
    120655 2z1z:A (2.4) BS02 PLP 2.6.1.83 GO:0005507 ... Q93ZN9 17583737
    120656 2z1z:B (2.4) BS01 PLP 2.6.1.83 GO:0005507 ... Q93ZN9 17583737
    120657 2z1z:B (2.4) BS02 PLP 2.6.1.83 GO:0005507 ... Q93ZN9 17583737
    120658 2z20:A (1.95) BS01 PLP 2.6.1.83 GO:0005507 ... Q93ZN9 17583737
    120659 2z20:A (1.95) BS02 PLP 2.6.1.83 GO:0005507 ... Q93ZN9 17583737
    120660 2z20:B (1.95) BS01 PLP 2.6.1.83 GO:0005507 ... Q93ZN9 17583737
    120661 2z20:B (1.95) BS02 PLP 2.6.1.83 GO:0005507 ... Q93ZN9 17583737
    120662 2z23:A (2.0) BS01 peptide ? GO:0030288 ... A0A0H2W5P5 18007034
    120663 2z24:A (1.9) BS01 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120664 2z24:A (1.9) BS02 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120665 2z24:A (1.9) BS03 DOR 3.5.2.3 GO:0004151 ... P05020 17711307
    120666 2z24:B (1.9) BS01 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120667 2z24:B (1.9) BS02 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120668 2z24:B (1.9) BS03 NCD 3.5.2.3 GO:0004151 ... P05020 17711307
    120669 2z25:A (1.87) BS01 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120670 2z25:A (1.87) BS02 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120671 2z25:A (1.87) BS03 DOR 3.5.2.3 GO:0004151 ... P05020 17711307
    120672 2z25:B (1.87) BS01 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120673 2z25:B (1.87) BS02 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120674 2z25:B (1.87) BS03 NCD 3.5.2.3 GO:0004151 ... P05020 17711307
    120675 2z26:A (1.29) BS01 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120676 2z26:A (1.29) BS02 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120677 2z26:A (1.29) BS03 DOR 3.5.2.3 GO:0004151 ... P05020 17711307
    120678 2z26:B (1.29) BS01 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120679 2z26:B (1.29) BS02 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120680 2z26:B (1.29) BS03 NCD 3.5.2.3 GO:0004151 ... P05020 17711307
    120681 2z26:B (1.29) BS04 DOR 3.5.2.3 GO:0004151 ... P05020 17711307
    120682 2z27:A (1.87) BS01 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120683 2z27:A (1.87) BS02 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120684 2z27:A (1.87) BS03 DOR 3.5.2.3 GO:0004151 ... P05020 17711307
    120685 2z27:B (1.87) BS01 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120686 2z27:B (1.87) BS02 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120687 2z27:B (1.87) BS03 NCD 3.5.2.3 GO:0004151 ... P05020 17711307
    120688 2z28:A (1.87) BS01 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120689 2z28:A (1.87) BS02 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120690 2z28:A (1.87) BS03 DOR 3.5.2.3 GO:0004151 ... P05020 17711307
    120691 2z28:B (1.87) BS01 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120692 2z28:B (1.87) BS02 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120693 2z28:B (1.87) BS03 NCD 3.5.2.3 GO:0004151 ... P05020 17711307
    120694 2z29:A (1.9) BS01 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120695 2z29:A (1.9) BS02 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120696 2z29:A (1.9) BS03 DOR 3.5.2.3 GO:0004151 ... P05020 17711307
    120697 2z29:B (1.9) BS01 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120698 2z29:B (1.9) BS02 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120699 2z29:B (1.9) BS03 NCD 3.5.2.3 GO:0004151 ... P05020 17711307
    120700 2z2a:A (1.87) BS01 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120701 2z2a:A (1.87) BS02 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120702 2z2a:A (1.87) BS03 DOR 3.5.2.3 GO:0004151 ... P05020 17711307
    120703 2z2a:B (1.87) BS01 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120704 2z2a:B (1.87) BS02 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120705 2z2a:B (1.87) BS03 DOR 3.5.2.3 GO:0004151 ... P05020 17711307
    120706 2z2a:B (1.87) BS04 NCD 3.5.2.3 GO:0004151 ... P05020 17711307
    120707 2z2b:A (1.85) BS01 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120708 2z2b:A (1.85) BS02 ZN 3.5.2.3 GO:0004151 ... P05020 17711307
    120709 2z2c:A (2.05) BS01 UDP 2.5.1.7 GO:0003824 ... P0A749 N/A
    120710 2z2c:A (2.05) BS02 UDC 2.5.1.7 GO:0003824 ... P0A749 N/A
    120711 2z2c:B (2.05) BS01 UDP 2.5.1.7 GO:0003824 ... P0A749 N/A
    120712 2z2c:B (2.05) BS02 UDC 2.5.1.7 GO:0003824 ... P0A749 N/A
    120713 2z2c:C (2.05) BS01 UDP 2.5.1.7 GO:0003824 ... P0A749 N/A
    120714 2z2c:C (2.05) BS02 UDC 2.5.1.7 GO:0003824 ... P0A749 N/A
    120715 2z2c:D (2.05) BS01 UDP 2.5.1.7 GO:0003824 ... P0A749 N/A
    120716 2z2c:D (2.05) BS02 UDC 2.5.1.7 GO:0003824 ... P0A749 N/A
    120717 2z2d:A (-1.00) BS01 ZN 3.4.24.65 GO:0004222 ... P39900 N/A
    120718 2z2d:A (-1.00) BS02 ZN 3.4.24.65 GO:0004222 ... P39900 N/A
    120719 2z2d:A (-1.00) BS03 CA 3.4.24.65 GO:0004222 ... P39900 N/A
    120720 2z2d:A (-1.00) BS04 CA 3.4.24.65 GO:0004222 ... P39900 N/A
    120721 2z2d:A (-1.00) BS05 CA 3.4.24.65 GO:0004222 ... P39900 N/A
    120722 2z2d:A (-1.00) BS06 HSI 3.4.24.65 GO:0004222 ... P39900 N/A BindingDB: IC50=200nM
    120723 2z2m:B (2.6) BS01 CDS ? GO:0008658 ... P14677 17724158
    120724 2z2m:E (2.6) BS01 CDS ? GO:0008658 ... P14677 17724158
    120725 2z2p:A (2.8) BS01 peptide 4.2.99.- GO:0000287 ... P17978 17563376
    120726 2z2p:A (2.8) BS02 peptide 4.2.99.- GO:0000287 ... P17978 17563376
    120727 2z2p:A (2.8) BS03 MG 4.2.99.- GO:0000287 ... P17978 17563376
    120728 2z2p:A (2.8) BS04 MG 4.2.99.- GO:0000287 ... P17978 17563376
    120729 2z2p:A (2.8) BS05 DOL 4.2.99.- GO:0000287 ... P17978 17563376
    120730 2z2p:A (2.8) BS06 DOL 4.2.99.- GO:0000287 ... P17978 17563376
    120731 2z2p:B (2.8) BS01 peptide 4.2.99.- GO:0000287 ... P17978 17563376
    120732 2z2p:B (2.8) BS02 MG 4.2.99.- GO:0000287 ... P17978 17563376
    120733 2z2p:B (2.8) BS03 MG 4.2.99.- GO:0000287 ... P17978 17563376
    120734 2z2p:B (2.8) BS04 DOL 4.2.99.- GO:0000287 ... P17978 17563376
    120735 2z2s:B (2.7) BS01 ZN ? N/A P40685 17803943
    120736 2z2s:D (2.7) BS01 ZN ? N/A P40685 17803943
    120737 2z2s:F (2.7) BS01 ZN ? N/A P40685 17803943
    120738 2z2s:H (2.7) BS01 ZN ? N/A P40685 17803943
    120739 2z2w:A (2.22) BS01 770 2.7.10.2 GO:0004672 ... P30291 N/A
    120740 2z2x:A (1.7) BS01 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120741 2z2x:A (1.7) BS02 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120742 2z2x:A (1.7) BS03 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120743 2z2x:A (1.7) BS04 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120744 2z2x:A (1.7) BS05 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120745 2z2x:A (1.7) BS06 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120746 2z2x:A (1.7) BS07 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120747 2z2y:A (1.89) BS01 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120748 2z2y:A (1.89) BS02 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120749 2z2y:A (1.89) BS03 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120750 2z2y:A (1.89) BS04 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120751 2z2y:A (1.89) BS05 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120752 2z2y:A (1.89) BS06 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120753 2z2y:A (1.89) BS07 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120754 2z2y:A (1.89) BS08 ZN 3.4.21.- GO:0004252 ... P58502 17706669
    120755 2z2y:B (1.89) BS01 ZN 3.4.21.- N/A P58502 17706669
    120756 2z2y:B (1.89) BS02 ZN 3.4.21.- N/A P58502 17706669
    120757 2z2y:C (1.89) BS01 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120758 2z2y:C (1.89) BS02 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120759 2z2y:C (1.89) BS03 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120760 2z2y:C (1.89) BS04 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120761 2z2y:C (1.89) BS05 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120762 2z2y:C (1.89) BS06 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120763 2z2y:C (1.89) BS07 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120764 2z2y:C (1.89) BS08 ZN 3.4.21.- GO:0004252 ... P58502 17706669
    120765 2z2y:D (1.89) BS01 ZN 3.4.21.- N/A P58502 17706669
    120766 2z2y:D (1.89) BS02 ZN 3.4.21.- N/A P58502 17706669
    120767 2z2z:A (1.87) BS01 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120768 2z2z:A (1.87) BS02 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120769 2z2z:A (1.87) BS03 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120770 2z2z:A (1.87) BS04 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120771 2z2z:A (1.87) BS05 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120772 2z2z:A (1.87) BS06 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120773 2z2z:A (1.87) BS07 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120774 2z30:A (1.65) BS01 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120775 2z30:A (1.65) BS02 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120776 2z30:A (1.65) BS03 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120777 2z30:A (1.65) BS04 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120778 2z30:A (1.65) BS05 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120779 2z30:A (1.65) BS06 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120780 2z30:A (1.65) BS07 CA 3.4.21.- GO:0004252 ... P58502 17706669
    120781 2z30:B (1.65) BS01 ZN 3.4.21.- N/A P58502 17706669
    120782 2z31:A (2.7) BS01 peptide ? N/A Q5R1F5 17694060
    120783 2z31:C (2.7) BS01 peptide ? GO:0006955 ... P14438 17694060
    120784 2z31:D (2.7) BS01 peptide ? GO:0006955 ... P06344 17694060
    120785 2z32:A (2.0) BS01 peptide ? N/A Q9Z2X8 18391415
    120786 2z33:A (-1.00) BS01 dna ? GO:0000160 ... P0AFJ5 18186481
    120787 2z33:A (-1.00) BS02 dna ? GO:0000160 ... P0AFJ5 18186481
    120788 2z34:A (2.4) BS01 peptide ? GO:0005634 ... O74515 18334479
    120789 2z34:A (2.4) BS02 peptide ? GO:0005634 ... O74515 18334479
    120790 2z34:B (2.4) BS01 peptide ? GO:0005634 ... O74515 18334479
    120791 2z34:B (2.4) BS02 peptide ? GO:0005634 ... O74515 18334479
    120792 2z36:A (2.8) BS01 FE 1.-.-.- GO:0004497 ... Q2L6S8 17679139
    120793 2z36:A (2.8) BS02 HEM 1.-.-.- GO:0004497 ... Q2L6S8 17679139
    120794 2z36:B (2.8) BS01 FE 1.-.-.- GO:0004497 ... Q2L6S8 17679139
    120795 2z36:B (2.8) BS02 HEM 1.-.-.- GO:0004497 ... Q2L6S8 17679139
    120796 2z38:A (1.8) BS01 CL 3.2.1.14 GO:0004568 ... Q9SQF7 17608716
    120797 2z38:A (1.8) BS02 CL 3.2.1.14 GO:0004568 ... Q9SQF7 17608716
    120798 2z3c:A (1.79) BS01 peptide 2.1.1.-
    2.1.1.56
    2.1.1.57
    2.7.7.48
    2.7.7.50
    3.1.13.-
    3.4.19.12
    3.4.22.-
    3.4.22.69
    3.6.4.12
    3.6.4.13
    4.6.1.-
    GO:0008233 ... P0C6U8 17599357
    120799 2z3d:A (2.1) BS01 peptide 2.1.1.-
    2.1.1.56
    2.1.1.57
    2.7.7.48
    2.7.7.50
    3.1.13.-
    3.4.19.12
    3.4.22.-
    3.4.22.69
    3.6.4.12
    3.6.4.13
    4.6.1.-
    GO:0008233 ... P0C6U8 17599357
    120800 2z3e:A (2.32) BS01 peptide 2.1.1.-
    2.1.1.56
    2.1.1.57
    2.7.7.48
    2.7.7.50
    3.1.13.-
    3.4.19.12
    3.4.22.-
    3.4.22.69
    3.6.4.12
    3.6.4.13
    4.6.1.-
    GO:0008233 ... P0C6U8 17599357

    Reference:
  • Chengxin Zhang, Xi Zhang, Lydia Freddolino, and Yang Zhang. BioLiP2: an updated structure database for biologically relevent ligand-protein interactions, Nucleic Acids Research, gkad630 (2023).
  • Jianyi Yang, Ambrish Roy, and Yang Zhang. BioLiP: a semi-manually curated database for biologically relevant ligand-protein interactions, Nucleic Acids Research, 41: D1096-D1103 (2013) (download the PDF file).